radiant barrier

Radiant Barrier in Your Attic: Does It Actually Work?

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Radiant Barrier in Your Attic: Does It Actually Work?

Last summer, I got a call from a homeowner in Gilbert, Arizona — let’s call him Ray — who was furious. He’d just paid a contractor $1,200 to install a radiant barrier in his attic, and his July electric bill was nearly identical to the year before. “The guy told me I’d cut my cooling … Read more

Do Radiant Barriers Work in Hot Climates? My Attic Test

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Do Radiant Barriers Work in Hot Climates? My Attic Test

I’ve been crawling around in hot attics for over a decade, and the question I get more than almost any other is this: do radiant barriers actually work, or are they just shiny snake oil? Last summer, I finally ran my own radiant barrier attic hot climate test with real temperature probes, real data, and … Read more