Back to School Just Got a Lot Cooler

RCS Chelsea School
November 19, 2021 at 6:00 a.m.

By Cass Jacoby.  

White roofs were installed on Chelsea Public Schools to keep students cool and reduce energy costs. 

More and more schools are making greener choices with their buildings in an effort to reduce energy costs and better serve their communities. Among the schools that are making greener choices are the Chelsea Public Schools in Massachusetts. This spring, workers finished installing a white roof over the complex housing the city’s two public middle schools. 

"We're going to be spending less on electricity," superintendent for Chelsea Public Schools Almi Abeyta told WBUR News. "We'll be lowering the temperature so the buildings, let's say on a hot day, they won't take as long to cool." 

Cool roofs use reflectivity to bounce heat off of the building rather than absorbing it, which is why the roof is usually white or has reflective properties. According to, standard roofs can reach temperatures of 150°F or more in the summer sun, while a cool roof under the same conditions could stay more than 50°F cooler and save energy and money by using less air conditioning.  

Cool roofs are one way to reduce the urban heat island effect, which occurs when there’s dense housing, lots of pavement and few trees in urban areas, making them hotter than their surrounding communities.  

Since Chelsea is one of the hottest cities in the state, the need to cool the city is a top priority. For the last 30 years, extreme heat has been the leading cause of weather-related deaths nationwide, according to the National Weather Service. has already begun research to find heat resilience solutions, addressing the extreme heat of the city as something that needs immediate action. The heat resilience study focuses on areas where heat islands overlap with historically underserved communities. The goal is to find creative and community-driven solutions that will protect the city from the effects of climate change. 

Have a question? AskARoofer.

Find your local roofing contractor in the RoofersCoffeeShop® Contractor Directory.

About Cass

Cass works as a reporter/writer for RoofersCoffeeShop and AskARoofer. When she isn’t writing about roofs, she is writing about movies for her master's degree and dancing with her plants.   

Photo credit : WBUR


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