By Dani Sheehan.

Get expert support tailored to your needs and ensure long-term performance and cost savings.

More than likely, your day-to-day operations as a building owner or facilities manager don’t include your roof, and they shouldn’t have to. After all, it’s a major investment, and you expect it to last for years. But small roofing problems can quickly escalate into expensive issues if they’re not caught early.

Tremco Roofing offers a comprehensive roof maintenance program, called TremCare®, designed to keep your roof in optimal condition so you can focus on running your facility. With this program, trained roofing technicians from Weatherproofing Technologies Incorporated (WTI) proactively identify issues and provide solutions before they become costly repairs.  

TremCare is one of the most effective programs available for extending the life of your roofing system, reducing unexpected expenses and ensuring the long-term performance of your investment.  

Streamline roof management

Used on its own or as a part of the TremCare program, the Online Information System (OLI®) represents the best information management platform. This system allows you to track drawings, photos, service reports, budgets, warranties and more – all in one convenient, easy-to-use location. With real-time data at your fingertips, you can make informed decisions about your roof maintenance and budget planning.  

Choose the support that fits your needs

TremCare offers three programs, with increasing levels of support. Choose from:

• Asset Management: Manage your own roofing assets with the support of WTI technicians, who conduct inspections and upload data directly into the OLI system for your reference.
• TremCare Gold: This program provides a more hands-on approach, including thorough inspections, routine housekeeping maintenance (such as debris removal and gutter cleaning), preventive maintenance for the membrane and flashing systems and 24-hour emergency leak response.
• TremCare Platinum: The most comprehensive option, this program includes everything from TremCare Gold with an added lay of protection – if your roof leaks, Tremco covers the cost of repairs, providing you with complete peace of mind.

A proactive maintenance plan is the best way to extend the life of your roof and prevent any costly surprises. Learn more about how TremCare can help you take control of your roof maintenance today.

By Dani Sheehan. 

If your facility’s HVAC system is aging or you’re noticing humidity and air quality concerns, you may need to assess your system’s condition and consider restoration as a cost-effective solution. 

Your HVAC system plays a more critical role in maintaining a comfortable and healthy indoor environment than you may think. Beyond temperature control, properly functioning air handlers directly impact indoor air quality (IAQ), influencing everything from occupant health to operational efficiency. Yet, many commercial property owners and facility managers overlook the long-term maintenance strategies that can extend the lifespan of their air handling units and prevent costly repairs. In a recent AskARoofer™ podcast episode, Lauren White sat down with Ryan Gottermeier, director of field operations at Pure Air – a subsidiary of Weatherproofing Technologies Incorporated  – and Frank Santini, director of sales, to learn more about extending the life of your HVAC system. 

Think of the air handler as a building’s respiratory system – they regulate air flow by bringing in fresh air while cycling out stale, contaminated air. Without proper filtration and upkeep, these systems can deteriorate over time, leading to poor air quality, moisture buildup and even mold growth. 

Common HVAC issues that impact indoor air quality 

1 – Aging or deteriorating insulation 

Older air handlers often contain fiberglass insulation that, over time, becomes contaminated with dust, moisture and debris. Frank explained, “Particularly in the case of older air handlers, you’ll have a situation where the exposed fiberglass insulation can become moist and dirty from lack of maintenance. That can be an excellent substrate for mold growth.” As mold proliferates, spores can circulate through the building, leading to musty odors and potential health concerns for occupants. 

2 – Filter bypass and poor airflow 

Even with routine filter replacements, HVAC systems can suffer from filter bypass – where contaminants slip past improperly fitted or maintained filters. This allows dust, debris and mold spores to enter the ductwork and indoor spaces. 

3 – Moisture intrusion from rooftop units 

For facilities with rooftop HVAC systems, water intrusion is another major concern. If an air handler isn’t properly sealed or waterproofed, rainwater can enter the system and contribute to excessive humidity inside the building. Ryan warned: “Water goes through that air handler into the building, it causes humidity or water, which leads to mold. So, waterproofing and preventing those humidity issues internal to the building are a huge focus for indoor air quality.” 

Proactive maintenance and restoration 

Rather than waiting for an HVAC failure or investing in a full replacement, a preventative approach can help property owners get more life out of their existing equipment. Ryan emphasized the importance of monitoring system performance over time: “A preventative maintenance program is obviously the first line of defense. A doctor would tell a patient to eat healthy – have a maintenance program on your air handling equipment and make sure that they’re operating efficiently.” 

Indoor air quality and HVAC system longevity go hand in hand. By investing in proactive maintenance, waterproofing and restoration, building owners can avoid unnecessary replacements and create a healthier indoor environment.  

Read the transcript or Listen to the podcast to learn more about assessing your HVAC system’s condition. 

By Emma Peterson. 

Learn how one training program is both giving people second chances and building a solution to the industry’s labor shortage. 

Tremco Weatherproofing Technologies Incorporated (WTI)’s RISE (Roofing Individuals Succeed through Education) initiative uses social and community outreach to help create pathways for entrance to the construction industry. They do this by connecting individuals to education and training that is already near them (or online) and 100% paid for. There are multiple programs that live within this initiative, but in this episode of Coffee Conversations, Heidi J. Ellsworth sats down with a panel focusing on the ELEVATE 2nd Chance program. This program focuses on empowering formerly incarcerated individuals with education and skill development and helping them find careers in the roofing and construction industries.  

One member of the panel, Maureen Greeves, has been a part of the roofing industry for over 15 years now. She was part of the internal team working on the RISE program and explained a bit of what makes this so special, saying, “What I love about this program is that it meets an individual where they're at. We have an apprentice program, 4,000 hours of on-the-job training, courses available through Tremco University that concludes with a getting a journeyman certificate... Then we also have the construction management opportunity. We partnered with University of Akron and we were able to provide an apprentice course, 63 credit hours and then a bachelor's course, 120 hours with a focus on construction management, something that's very much needed in the industry.” The 2nd Chance program is just another step in their goal to meet people wherever they are.  

Cindy Barnwell was one of the first members of the program, almost five years ago now. Today, she is an inspector with Tremco. She shared a little about how she got connected to the program, saying, “I was in a reintegration prison in Cleveland. There was a paper on the wall that said, ‘If you're interested in roofing, sign up for this.’ I actually did. I did some residential roofing with my brother-in-law years ago, and so I signed up.” From there, a case manager spoke to Cindy and got her an interview at the prison’s job fair. 

The 2nd Chance program is made possible through a collaborative effort between Tremco WTI and the Department of Corrections. This is something that Lisa Holmes knows a lot about. Today, Lisa works as one of Tremco’s regional administrators, but not long ago she was working for the Department of Corrections. She shared about how unique this program is, saying, “In a lot of the prisons, they offer training such as welding and construction and that sort of thing, but they just give you a certificate. Then the offenders are on their own to find a job when they get out.” The difference with Tremco WTI was that they helped them find jobs, often with Tremco, after completing the program. She explained how life-changing this can be, sharing, “With probation and parole in Missouri, they make sure that you have a home plan before you can get out. Some people can't even get out on time because they don't have a proper home plan. Or if they do get out, then how are they supposed to pay their bills and not slide back into what they were doing before? Because if you don't have a job, you're a felon, how are you going to make ends meet and not slip back in basically?” 

Tina Talbot is another current Tremco employee who found her path into the industry through this program. She shared a bit of her story, saying, “I spent 20 months in prison. In that time, towards the end of what was supposed to be my stay, I actually had to submit some paperwork that basically said where I was going to go home, where I was going to work.” She was looking for ways to make ends meet, to get her son back and not slip back into bad habits. Tremco ended up being the perfect place for her to work. She explained, “From November when I got out until March, I was doing plumbing and odd jobs. Then I got hired into Tremco and it's been an amazing experience. Nobody's ever treated me like I was a felon. I've been treated like just another employee and a valued employee at that.” 

Read the transcript, Listen to the episode or Watch the full conversation to learn more about the 2nd Chance program and how it is creating pathways into the industry! 

By Emma Peterson. 

Even if we're not ill, we attend yearly physicals to catch any issues early. This principle of proactive care rather than reactive can also be applied to roofs. 

Maintenance is a part of life, from making sure your car oil gets changed every 5,000 miles to trimming your beard and going to the doctor. In the roofing industry, maintenance is key to keeping a building structurally sound and its occupants safe and secure. But traditionally, maintenance requires either the disruption of the roof’s surface or is just a reactive treatment to issues that have begun to crop up, options that aren’t always convenient. However, there is another option growing in popularity — Infrared imaging.  

In an interview with The Coffee Shops, Mark Powell, who trains with a focus on roofing diagnostics for Weatherproofing Technologies Incorporated (WTI) (a subsidiary of Tremco), he shared how to use infrared imaging as a routine “physical” for your roof. It’s like if you go to the doctor with a family history of medical problems, you just want to keep a closer eye on things. 

Infared imaging detects temperature difference in materials. This is an effective way to assess the state of a roof, as when materials absorb extra moisture, they appear differently on the infrared image than when they are still watertight. This is a proactive, more efficient way to detect discrepancies before they become issues, rather than waiting for water to start leaking into the building’s interior. 

Mark explained a bit about how the costs for these scans compares to the costs of reactive maintenance, “There is a case study that was done where a company paid $3,500 for a scan. It came up with seven grand of repairs that needed to be made. They didn't have the seven grand so they tried to wait three years to gather that money. But because it wasn’t repaired, water was penetrating. Three years later they did another scan, another $3,500, and the cost of repairs went up to $37,000.” While these scans are an investment, they are far cheaper than waiting for catastrophic issues to occur and then having to scramble for solutions.  

So, how often should you be budgeting for a roof to have a physical? The key to determining how often to have one of these roof physicals is how critical the use of the building is. Mark explained, “If it's an empty warehouse, two to three years is fine. But if it's over an emergency room or an operating room or a computer center, any moisture into that system is unacceptable.” In those scenarios you want to be checking up on the roof more often. 

By Anna Lockhart.  

Keeping up with the condition and maintenance of your indoor air quality units and HVAC systems is key to the building’s structural health. 

In the AskARoofer podcast episode, “Improving Indoor Air Quality,” host Lauren White is joined by guests Frank Santini from PureAir and Ryan Gottermeier from Tremco WTI to discuss the importance of maintaining good indoor air quality (IAQ) in commercial buildings. Regular HVAC and air handler maintenance can prevent bad air quality and any damage to the units, keeping systems intact longer!  

Ryan stressed the importance of indoor air quality and why it’s important for building occupants, “An air handler's kind of the lungs of the building. It breathes in and out, it pushes new air in, and it returns or cycles and exhausts old air out. So right off the bat, proper filtration, it's part of a robust maintenance program. A lot of facilities do maintain proper filtration, but sometimes, over time, those deteriorate and cause a problem, where they're not properly filtering the air.” 

He recommends ensuring that all air systems are checked for functioning waterproofing, as moisture leaks in these systems can lead to serious mold growth and humidity inside the building. Frank shared. “We want to make sure that we have fresh air, we also want to make sure the contaminants in the air are as small as possible. We always have some contaminants, because it's just the nature of things. There's mold everywhere, but we try to reduce that through filtration and through providing fresh air and some of the other things we're going to be talking about today.” 

The easiest and most effective solution to preventing these issues? Enacting preventative maintenance programs. Preventative maintenance makes for a strong first line of defense against poor air quality, stopping any pollutants before they have a chance to happen or populate.  

Read the transcript or Listen to the podcast to learn more about the ways to prevent poor indoor air quality! 

By Emma Peterson. 

Learn how to move from assessment of air quality to actionable items to ensure the health of your building. 

A proper and effective air filtration and ventilation system is key to keeping a building structurally sound and ensuring a healthy environment for the occupants. In this AskARoofer Podcast episode, Megan Ellsworth and Lauren White sat down with Barrington Green of WTI Pure Air Controls to discuss the steps to making sure you have a strong system in place. Barrington has worked in a variety of roles with WTI, from field technician to supervisor and now as a project manager.  

Through his 17 plus years of experience in these roles, Barrington has become an expert on the process of promoting an environmentally healthy building. The first step is to bring a professional in. He explained, “Most building owners are aware of the basics of indoor air quality and how the air-conditioner system may affect the quality of the indoor air. However, it's best to have a professional assessment so that they can identify the current environmental condition of the building and identify the items that need attention.” 

Once the assessment has been done, professionals can create a plan to address these issues, which can include doing repairs and maintenance on air conditioning units. Barrington described some tasks that get performed, “Most remediation processes require some level of containment or personal protective equipment that is determined by the type of facility as well as the type and extent of contaminant that is found in the building. In most cases, WTI Pure Air will implement engineering controls and administrative controls to ensure that the contaminant has been removed or contained within that workspace.” 

Read the transcript or Listen to the full episode in order to learn more about how to ensure your building’s environment is safe and healthy.  

By Emma Peterson. 

Whether it’s keeping up with routine maintenance or repairing in the aftermath of a storm, it’s easier with a program manager in your corner. 

In this episode of the AskARoofer Podcast, Megan Ellsworth and Lauren White are back and hosting Dawn Ciocca of Weatherproofing Technologies Incorporated (WTI), a subsidiary of Tremco. Dawn has spent over 25 years with WTI, working in everything from their roof inspection production department to logistics coordinator and dispatching. Now, she is their “director of enterprise accounts, which heads a team that is currently responsible for managing over 160 million square feet.” 

The program manager is assigned as a resource not only to the customer, but to as a communication bridge with internal teams. Dawn explained, “They are responsible for the execution of all tasks for that specific account and making sure that all parties involved in that process understand the requirements and their role in executing that work.” By having this point person, it is easier for building owners to keep up with maintenance of their properties and the program manager’s ties to the rest of WTI’s services makes the process of getting field technicians out more efficient. 

Dawn elaborated a bit more on what this looks like in practice. “Owners will have access to everything through our online roof management system. This is the database where all of these inspections will be housed. We've got the ability to house all of their warranty information in here,” she shared. This is the routine process; for special cases, like water damage after a storm, owners can access a 24/7, 365 call center to report the issue. Then their program manager will make sure that a WTI technician is sent out and the issue resolved as soon as possible.  

Read the transcript or Listen to the full conversation for more about what managed asset groups like WTI can help business owners. 

The following is the transcript of a live interview with Ryan Gottermeier and Frank Santini from Weatherproofing Technologies Incorporated. You can read the interview below,  listen to the podcast. 

Intro: Welcome to the AskARoofer Podcast, where all your roofing questions find their answers. Your hosts, Megan Ellsworth and Lauren White, peel back the layers of the roofing world to reveal the knowledge, tips and FAQs you've been curious about. From shingles to skylights, metal to asphalt, we're here to demystify the system above your head. So get ready to ask, learn and explore the fascinating world of roofing, one question at a time, on the AskARoofer Podcast.

Lauren White: Hello, everyone and welcome to another episode of the AskARoofer Podcast. I'm Lauren White, and I am here today with two people from WTI and the Pure Air Division. And Ryan and Frank, why don't I have you two introduce yourselves, please?

Ryan Gottermeier: Awesome. Thanks, Lauren. Well, I'm Ryan Gottermeier. I'm the director of field operations here at Pure Air, which is a subsidiary of Weatherproofing Technologies, who is an affiliate of Tremco Roofing. So I'm responsible for the execution day to day of any of the projects that our Tremco Roofing reps sell, from an HVAC and mechanicals perspective across the nation.

Frank Santini: And I'm Frank Santini, director of sales here at Pure Air and I'm responsible for getting our large sales force of several hundred representatives to get out there and educate the commercial property managers and commercial facility directors on Pure Air services.

Lauren White: Great. Well, thank you both for being here. We're excited to talk more about HVAC and air handlers for our property owners on AskARoofer. So just to get started, how did you get involved in indoor air quality and air handler restoration?

Ryan Gottermeier: So for me, I'm a fourth generation mechanical contractor. My family's owned a company in upstate New York, a mechanical contracting business, since 1903. So I kind of grew up in and around the industry, and so it's always been a part of my life. And then Tremco found me, Pure Air found me and a couple years ago I moved down here with my wife, who's originally from Clearwater, Florida. So that's kind of how our paths merged.

Frank Santini: Yeah, and for me, it was just more of passion for environmental causes. My previous career, there's a lot of work being done and not much to show for it. So I got to be able to see actual improvement into air quality, improvement in the way the HVC works, from the work that we were doing. I really felt good about that, and also learning about all the science behind indoor quality as well.

Lauren White: Yeah, that's great. It's always so interesting to hear how people get into such niche areas, and especially in roofing. People are just kind of, "I fell into it," or, "I had a passion and it brought me here," so very cool. For those who aren't as familiar with indoor air quality, can you explain what that is and why it's so important for building occupants?

Frank Santini: So I mean, you can really divide indoor quality into two big categories. One is the quality of the air, in the sense of having less contaminants in the air, ideally, obviously if you're inside of the building. Whether it's a hospital, school, commercial property, you want to be breathing less contaminants and contaminants can mean lots of things. It can be mold spores, it could be bacterial contaminants, could be what we call VOCs, which are volatile organic compounds or chemicals in the air. Could be human skin cells that are often great nutrients for bacteria and mold, so you don't like to have them around, but they're always going to be around, because we're always shedding human skin cells every time we're talking. Right now, we're shedding human skin cells.

So the quality of the air in the sense of reducing the amount of contaminants in a given small space is a big deal. And then, the other piece to air quality is reducing carbon dioxide, having fresh air inside the building, so that we have obviously less CO2, which there's been plenty of studies out there from Harvard and many others showing that obviously high CO2 will make you tired. We all kind of know that, but they did a bunch of studies on that in 2016 and beyond.

So we want to make sure that we have fresh air, we also want to make sure the contaminants in the air are as small as possible. We always have some contaminants, because it's just the nature of things. There's mold everywhere, but we try to reduce that through filtration and through providing fresh air and some of the other things we're going to be talking about today.

Lauren White: Great, and I'm in central Oregon right now, so we've got a lot of smoke coming in from wildfires and so this is very interesting to talk about and very important, because I feel like smoke and like you're saying, those contaminants are everywhere, even just in your day-to-day life. So can you explain some common issues that affect air handlers and HVAC assets in commercial buildings, and kind of explain what those are, what those might look like to people who are unfamiliar?

Ryan Gottermeier: Sure. So an air handler's kind of the lungs of the building. It breathes in and out, it pushes new air in and it returns or cycles and exhausts old air out. So right off the bat, proper filtration, it's part of a robust maintenance program.

A lot of facilities do maintain proper filtration, but sometimes, over time, those deteriorate and cause a problem, where they're not properly filtering the air. Another issue is for roof-mounted air handling systems, the water intrusion in the cabinet itself, if water gets into the air handler, the water goes through that air handler into the building, it causes humidity or water, which leads to mold. So waterproofing and preventing those humidity issues internal to the building are a huge focus for indoor air quality.

Frank Santini: Yeah, and we can go on further, Lauren. I know we have a lot to cover in this podcast, but just another for instance is some air handlers are what we call single-walled, meaning the air handler itself has to be insulated to prevent condensation from forming. And oftentimes, particularly in the case of older air handlers, you'll have a situation where the fiberglass exposed insulation can become moist and dirty from lack of maintenance.

And that can be an excellent substrate for mold growth, because its porous nature and as I mentioned before, all the millions of different contaminants, including human skin cells, that can get in there and become a great breathing ground for mold growth. So that's another example there of how indoor air quality can be affected by the air handler itself and because of the old insulations become deteriorated, moldy.

Lauren White: Yeah, absolutely. That kind of leads us into our next point to talk about, is how those issues, either through the roof or through the air handlers themselves affect the IAQ, that indoor air quality of a building and therefore the occupants. Is there any more to add to that?

Ryan Gottermeier: Yeah, I mean, so for most of the listeners of this podcast, roofers in particular, they fight water intrusion all the time. And so probably, there isn't a roofer listening to this podcast that hasn't been on a job site where they touched a roof and there's an allegation that there's water intrusion into the building and they come and they investigate and they find out that it's the air handling unit themselves.

So all of these issues in and around the HVAC that sits on a roof leads to water intrusion inside of a building, which is something that a roofer will find himself, maybe I won't say in an argument with a building owner, but maybe at the other side of the table, where they're dealing with an issue that may not be their fault, it may not be a true story of what's going on. They may be replacing a roof in and around a piece of HVAC equipment, and they're being blamed for water that is getting in.

And when water gets into the building and the HVAC equipment isn't sized properly to handle that excess water and get that moisture out, there could be a dampness or a claminess inside. I'm sure you've been in a building before where you just kind of walk in and you can feel it. You just feel that the humidity is off, it's far too high and it's just generally uncomfortable to be in. So in a situation where you're the roofer and you're touching the roof, you're the first person that anyone points at and we're kind of here to say, "Maybe not always, maybe it isn't fault." So that's kind of the broader message that we want to bring today to this audience.

Frank Santini: We can get into a whole other subject with respect to the actual operational efficiency of the unit itself. Ryan covered making sure that unit's not having the intrusion that we talked about, and oftentimes how the roofer is the first person the client looks to. But then, the actual operation of the unit itself is important, because we want to make sure that the unit's producing enough air flow to actually condition the space correctly, dehumidify the space, as Ryan just mentioned.

And that might be an issue, depending on the condition of the major component parts inside that unit, which is typically a coil and what's called a blower or fan. Those pieces of equipment are not working properly or not sized properly. That can lead to a lot of issues, not only just the issues of how much air is getting downstream, but also, if these components aren't cleaned properly, again, becoming that substrate or that place for mold and bacteria to grow and obviously hinder air quality, even despite filtration, because you'll have a lot of what called filter bypass. So there's dirt, debris and all these bad things, if you will, will get past the filters if they're not properly maintained and fitted correctly.

And then, you'll have situations where you have some concern about the amount of contaminants in the unit and as you pass the certain part of the unit and the humidity rises, that also lends itself to more mold growth, because mold needs obviously moisture, humidity to proliferate.

Lauren White: Yeah, absolutely. And so kind of on the flip side of the building owners going to the roof or first of, "What's wrong with my HVAC unit?" do you have advice besides regular maintenance for those building owners of what to look for or what to consider before, if there should be something wrong with their HVAC or they feel like it's humid in their building?

Ryan Gottermeier: Yeah, I mean, as I alluded before, a preventative maintenance program is obviously the first line of defense, a doctor would tell a patient to eat healthy. Have a maintenance program on your air handling equipment and make sure that they're operating efficiently. And that way, you kind of have a baseline of how your business is performing or your HVAC assets are performing. So making sure that you can benchmark how it's performing over time, and then allocating your dollars appropriately to know that these units do have a shelf life.

Here at Pure Air, we believe in the idea of air handler restoration. If you listen to ASHRAE or some of the industry leaders, will say 12 to 15 years is about all you'll get out of an air handler. And that may be true in some cases, but our entire business is around stretching that CapEx dollar further and actually restoring the unit, bringing it back to the way that it was when it was originally installed and saving the business owner money by not having to go and not having to replace it. But that requires getting ahead of it, thinking about it and making it a priority inside your budgeting and capital spend.

Frank Santini: And then, when you do that, Lauren, you avoid issues, as Ryan just alluded to, avoiding potentially having to replace a unit that you otherwise may not have to replace if you catch it early enough in its lifespan. But also, avoid issues with respect to efficiency problems. One of the things that we do oftentimes is retrofit what's called a fan array in the place of the existing fan inside these units. And the fan array provides multiple fans, 2, 3, 4, 5, 10 fans that go in the cabinet, as opposed to just a single fan that most of these old units have.

If you have redundancy, multiple fans, then you have lesser risk of having that unit go down and lesser risk of having no air flow through a certain area. And when you have no airflow, that's when you risk all the things I talked about earlier, not getting rid of that CO2, not removing those contaminants and bringing fresh air and diluting the contaminants in the air. So that helps in the sense of removing that concern, but also, there's also efficiency issues and those kind of things that we can get into a little bit later here.

Lauren White: Yeah, absolutely. And it's funny, all the things that you necessarily don't think about all the time until there's an issue, but it's so important, like a roof, like the HVAC to have those plans in place and have reminders to maintenance and check them out. So with that, what systems and services does Tremco offer to address the IAQ and HVAC issues in buildings or the Pure Air?

Ryan Gottermeier: Yeah, I won't speak for all of Tremco. Tremco is a very, very large organization and we represent a very small piece of it. So I will not speak to Tremco at large, but I will say for us at Pure Air, that we are a mechanical restoration business. I mean, we've been doing it for 40 years. Tremco acquired us a few years ago, but for 40 years, we've been focused on indoor air quality and air handler restoration.
And we do this, it's sort of a three-pronged approach. We start with an assessment, we'll assess the piece of equipment for you and benchmark its performance against where it should be. That assessment will generate a report and a set of engineering documents, as to how we would go about restoring this particular unit. And then, we have a self-perform restoration crew. We have 40 field guys dedicated all year round to restoring air handlers across the country. So that's what Pure Air brings to the table. And Frank can probably expand on that a little bit more.

Frank Santini: Yeah, I mean, just to piggyback what Ryan's saying, when you execute this kind of work, first of all, the one thing you think about is, "What's the value of this?" Well, if you can restore or refurbish a unit and you're spending a lot less to do that, and you're getting essentially the same product, a unit that works and provides the airflow you need and is clean and it costs 20% or a third of what they're going to spend to replace, that can be very attractive to building owners. But then, we look at what are the other ancillary benefits? Well, if you're improving the efficiency of that unit through the work that we do to the major component parts, that could also result in energy savings.

And then, we look at the indoor air quality piece to this. Again, you're having better airflow or at least the less risk of losing the airflow by virtue of the redundant fan system. And then, you have a clean system after we get done. So you're removing the potential risk of agitating contaminants that were in the system before, either that were stuck in the insulation I referred to earlier or just embedded in the coil and there's all kinds of what's called biofilm, which is if you think about the Swamp Thing, what that looks like on the microscopic level, the nastiness of mold and bacteria growth and even viruses and so forth.

So when you do this kind of work, you clean the unit up, you make it more efficient, I'm talking 30,000-foot view here and then you seal the unit, as Ryan alluded to earlier, because you're trying to prevent the intrusion, especially for these rooftop units. And you get a piece of equipment then that is warrantied and you have more of a peace of mind that your asset's going to last a lot longer for you and not fail suddenly, which can be a very big deal.

A variety of different types of verticals, from healthcare to municipalities, colleges and so forth and manufacturing, where the unit goes down because of its age, lack of maintenance, it can be a very big deal and cost the customer a lot of money. Imagine a situation where an operating room can't be used because the air conditioning's not working that day. So completely not going to fly with the needs for the environment of care in that situation. So that's the idea here, is to try to avoid those issues and then save money in the process.

Lauren White: Definitely. I'm sure a lot of people are thrilled with that, to save money and keep their equipment running longer and not have to replace it after those 12-to-15 year potential shelf life. Do you have any success stories or projects that maybe stand out where Pure Air's solutions significantly improved a building's IAQ?

Frank Santini: There's so many. I mean, I can talk about the project we had recently in Texas, Ryan, where we had two units that the client is healthcare, client hospital, the client wanted to replace these two units. But the way they wanted to replace the units was going to involve a whole re-engineering of that part of the hospital and actually move the location of the units from a spot inside of what's called a mechanical room to a rooftop. And so it was going to be like $1.8 million to do these replacements.

We were able to do the restoration for about $400,000, so you had $400,000 to restore versus $1.8 million to replace. Now, that's the easiest example of a low-hanging fruit, because you not only have the value of restoring a unit in place, but you have the value of avoiding a whole bunch of logistics that would've been involved in the replacement. And so that's what we try to do. Even when logistical issues aren't as big a concern, it's still a great value, but when they are a concern, it's a no-brainer.

Ryan Gottermeier: Yeah, and in terms of getting mold remediated and/or getting the biological contaminants, the air quality correct, we've got multiple situations, particularly here in Florida. It's a very humid environment, where we've gone in, we've done an assessment, we've determined that the piece of equipment isn't performing to the way it was supposed to. And a lot of times, our healthcare clients find a lot of value in this. They have specific rules with regards to humidity as to what they can do for patient care, but we go in, in our assessment, determine that the piece of equipment isn't performing.

And just the other day, we did one across the coast over in Boca, where we were able to bring an air handler back to the way it was designed to perform, for minimal invasiveness and minimal cost and it allows them to continue on doing the work that they're doing. So yeah, plenty of opportunity, not just here in Florida, in a humid, moist environment. But yeah, we've got countless... There's all kinds of white papers. If anyone's interested, we've got marketing collateral that you could dig through for hours.

Lauren White: That's amazing, significant price difference for that hospital. And so looking forward, are there any technologies and innovations in IAQ and building maintenance and how does Pure Air incorporate those advancements into your services?

Ryan Gottermeier: So in terms of cutting-edge technology, COVID sort of exposed a lot of things. Bipolar ionization is starting to become huge. Now, I've been doing this for almost 20 years now and I believe that probably existed 20 years ago, but no one knew what it was. I certainly didn't. Now, with COVID, ionization is huge in the airstream and even UV bulbs, UV technology, washing the coil with UV lights. Essentially, imagine a tanning bed light that you put across the inside of the unit, so that as the air comes across the unit, it's killing anything organic that may be in the airstream and making it better for the health and comfort of the occupants, wherever that airstream's going.

We're seeing more of that, we're seeing more clients want that. Our engineers are specifying that in the restorations more and more. HVAC, it's really old technology. It started William Carrier back in 1913, so there aren't a lot of new innovations, but using things and adding it to the Airstream, we are starting to see more with UV and bipolar ionization. Those are two that immediately come to mind. I don't know if you've got any others, Frank, because it's [inaudible 00:21:36].

Frank Santini: Yeah, I mean, I wouldn't say it's cutting edge, but I mentioned that before the fan array, which is the concept of taking what was typically one big fan that blows the air through the unit and replacing that with a wall of smaller, more efficient fans. And that way, you have redundancy in case one of those fans fails. You have two, three, four, five, six others that will ramp up and make a difference, so that you're not just relying on one single fan. That technology has been around for some time, but we are still not as ingrained as you see it as it should be, because it's exceptionally helpful for a lot of different types of verticals.

Lauren White: Very cool, it's always fun to hear. Maybe it's not a new tool, but how you're innovating, how things are changing and adapting to what people need. And yeah, so any other key takeaways that you'd like listeners to remember or know regarding IAQ and building maintenance, HVAC, kind of anything we've talked about today?

Ryan Gottermeier: Yeah, I just think for the roofers that are listening to this, understanding indoor air quality and what's going on inside the buildings, roofers tend to spend a lot of time outside and on top of buildings, but inside the building, it becomes a differentiator. If you're even to speak about it at any level of intelligence, it shows your customers that it's something that you understand impacts them.

And for any building owners that are listening, I would just make them aware that there are opportunities. As a building owner, you've either got tenants or you're using it for a purpose for your employees, that indoor air quality is something to be focused on. There's a benefit there. And in terms of CapEx savings, the idea of air handler restoration over replacement is definitely something that should be running around in the back of your mind as a building owner. So those are the takeaways I would recommend.

Frank Santini: And for me, holistically, just thinking about the air duct work too, in some circles, a lot of folks are not too keen on cleaning their air duct work, but you do have situations where you're getting [inaudible 00:23:49] 20 years old, 30 years old, 40 years old, et cetera, that they've never had their air ducts cleaned. And in some cases, it's fine. There's been great maintenance, great filtration and there's maybe a thin layer of dust in the duct work. But in other cases that we've seen over the years, this tremendous amounts of buildup of fouling in the duct work, to the point where it's actually obstructing the air flow because of these things inside duct work, VVs, reheat coils, terminal units, et cetera, that collect on these components inside duct work and restrict the air flow.

And that can also not only provide the concern about contaminants getting stirred up by the air, but also from the perspective of actually restricting the air to get from the air handler downstream to the unit. So the takeaway is, despite what you may think, if you've gotten to a point where you've got a building that's a couple decades old, never had the air ducts cleaned, at least check it out, have a professional take a look inside, certified indoor environmentalist, industrial hygienist and take a look at a couple representative areas of that duct work, to make sure you don't have a tremendous amount of fouling buildup in the duct work and along the component parts.

Lauren White: Yeah, maintenance, maintenance, maintenance.

Ryan Gottermeier: Always.

Lauren White: Excellent. Well, gentlemen, thank you so much. Learned so much about indoor air quality and HVAC units that I never knew before, and I'm sure our listeners will have some good takeaways as well. Thank you again, Pure Air, for your time and this is the AskARoofer Podcast. We will see you on the next one.

Outro: If your roof needs answers, subscribe now to the AskARoofer podcast. We've got your questions covered, one episode at a time. Go to AskARoofer.com to submit your questions and learn more. Stay tuned and keep those questions coming.
 

By Pure Air Control Services, WTI. 

Proactive maintenance and proper air filtration can minimize the risk of obstruction, ensuring the health and efficiency of a building’s HVAC system. 

Particularly in commercial buildings, institutional facilities and medical buildings, the proper functioning of the HVAC system is crucial for maintaining a comfortable, healthy and productive environment. One of the more common issues in these systems occurs when HVAC coils are obstructed, causing system inefficiencies and other problems. At Weatherproofing Technologies Incorporated (WTI) Pure Air, we want to help mitigate the consequences related to this recurring issue by diving into potential consequences of ignoring the problem and providing recommendations for current solutions in the industry. 

The domino effect of obstructed HVAC coils: 

Within the complex web of HVAC components, the coils play a critical role in facilitating efficient heat exchange. When these coils become obstructed by debris or contaminants, the repercussions can permeate throughout the entire system. Reduced heat exchange efficiency leads to escalated energy consumption, increased utility costs and an overall compromised HVAC performance. 

Effects on HVAC system operation: 

1. Diminished cooling capacity: Obstructed coils hinder the heat exchange process, resulting in a decline in the system’s cooling capacity. This can lead to insufficient cooling, causing discomfort for occupants and potential harm to sensitive equipment. 
2. Elevated energy consumption: Inefficiencies caused by obstructed coils force the HVAC system to exert more effort in maintaining desired temperatures. This heightened workload translates into increased energy consumption, contributing to higher operational costs. 
3. Compromised air quality: As obstructed coils struggle to cool the air efficiently, moisture buildup becomes more likely, creating an environment conducive to mold and bacteria growth. This jeopardizes indoor air quality, posing health risks for occupants. 

Recommendations for mitigating obstructed HVAC coils: 

1. Routine maintenance: Establish a proactive maintenance schedule to regularly inspect and clean HVAC coils. This preventive approach ensures the timely identification and resolution of potential obstructions before they significantly impact system performance. 
2. Enhanced air filtration: Upgrade air filtration systems to capture and prevent airborne particles from reaching the HVAC coils. This proactive measure reduces the accumulation of contaminants, minimizing the risk of obstruction. 
3. System assessments: Conduct periodic audits of the HVAC system to identify and rectify issues promptly. A comprehensive assessment can pinpoint inefficiencies, including obstructed coils, allowing for timely corrective measures. 

In conclusion, prioritizing the health and efficiency of HVAC systems in facilities is paramount. By understanding the consequences of obstructed HVAC coils, facility managers and technicians can implement proactive measures to optimize system performance, curtail energy consumption, and elevate overall building comfort. 

For our part, WTI Pure Air can help find and solve issues with obstructed HVAC coils in your air handler units. Contact us today to get started with HVAC testing, cleaning and restoration. 

Source: National Environmental Balancing Bureau (NEBB) – NEBB Technical Retro-Commissioning Procedures, [www.nebb.org](www.nebb.org). 

Original article source: WTI

By Tremco WTI. 

Tremco WTI and Pure Air Control Services were called to help clear up UTSA’s ongoing maintenance problems and restore their HVAC. 

Tremco’s Weatherproofing Technologies, Inc. (WTI) offers roofing and general contracting services for those looking to restore their buildings and facilities. Last year, the University of Texas San Antonio was in dire need of a restoration job done on their HVAC system and other maintenance issues that had been ongoing for quite some time. With the help from Tremco WTI and Pure Air Control Services, the two companies were able to bring a new lifespan to their university’s heating and ventilation system.  

Challenge 

The University of Texas San Antonio (UTSA) faced ongoing maintenance issues with two large air handler units (AHUs): AHU 23 S-7 and AHU 24 S-8. After years of wear and tear, the AHUs started to severely deteriorate. Eventually, the axle that drives the blower wheel broke and needed to be replaced. Because of this, there was no airflow or ventilation being supplied in the UTSA Convocation Center. UTSA decided to restore the AHUs with the Higher Education Emergency Relief Fund (HEERF) provided by the Education Stabilization Fund (ESF) through the Coronavirus Aid, Relief and Economic Security (CARES) Act. This presented a challenge because of the looming deadline to use the funds. From the time of the purchase order partnering with Grainger, WTI/Pure Air Control Services only had 30 days to order equipment (including fan arrays), mobilize, complete all work and invoice the project. 

Solution 

WTI/Pure Air Control Services came into this project with a very small window to complete the total HVAC restoration. But with the well-rounded team of Grainger, Tremco and UTSA we were able to make the project a total success. The following services were executed on both AHUs. 

HVAC new life restoration  

HVAC New Life is a series of component services conducted over consecutive nights that effectively cleans and restores an AHU without loss of supply air during normal operating hours.  

PURE-steam AHU and coil cleaning  

The first step was to environmentally remove any old and contaminated fiberglass insulation. After that, the units were thoroughly HEPA-vacuumed of residual debris. Next, airflow resistance readings were taken across the cooling coils. This is known as a Coil Cleanliness Verification test, or CCV. Then the interior of the unit was masked off and sanitized with WTI Pure Air’s proprietary PURE-Steam process. This included a deep cleaning of the cooling coils as well. PURE-Steam utilized bio-enzyme treatments and high temperature, low-pressure steam to penetrate through debris lodged in the coil. CCV readings were also taken after the cleaning. This process improves AHU performance and indoor air quality. 

Blower removal and new fan array 

 The next step was to remove the old blower assemblies and motors. Then the new fan array that was reengineered specifically for each AHU was installed. First, the pre-built bulkhead wall was secured into place. Then the fans are fitted into their channel locks and wired for service. Fan array retrofits provide improved efficiency and redundancy since there are no more bearings, belts or shivs to maintain. 

Sheet metal fabrication and new access doors 

Years of condensation in the two AHUs corroded and structurally compromised their floors. These areas were removed, secured and new sheet metal flooring panels were installed. External doors were also installed for ease of access and future maintenance. 

High performance coatings and fiberglass free i2nsulation 

 The final step in the HVAC New Life restoration process includes refinishing the metal components of the units with high performance coatings that are corrosion resistant, flexible and very low VOC. This includes relining the drain pans with a multi-part polyurethane coating that is designed and tested for HVAC systems. The entire process is completed with the installation of new, fiberglass-free insulation that is moisture resistant to prevent future degradation. In summary, WTI/Pure Air Control Services helped restore the two AHUs for the Convocation Center within one month whereas new units would have taken more than 30 weeks to procure, deliver and install. UTSA saved $1,083,000 in capital expenditure (CAPEX) by restoring the AHUs instead of replacing them, and static pressure performance was improved by 18%, which can directly help with energy savings over time. All in all, UTSA now has peace of mind in two restored units with five-year warranties on the fans and the coatings that will provide many more years of services for the convocation center. 

Project details 

Project completion date: July 7, 2023 

Project type: WTI / Pure air control services 

Project size: Two air handler units at 25,000 cubic feet per minute each 

Service used: HVAC New Life Restoration 

Original article source: Tremco WTI