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How to Keep Radiant Heat from Penetrating Your House

  • Transcript

    LESLIE: Chad in Michigan, you’ve got The Money Pit. How can we help you today?

    CHAD: I attended an energy show where they were showing an energy shield or a wrap made out of aluminum. What it was designed to do was to basically block the radiant heat from penetrating your house in the summer. Thus, you’re using less energy, I guess, to stay cooler.

    And then, in the wintertime, what it does – it prevents your heat from escaping, very much like the astronauts use from the extreme temperature in space. Since I’m building a new house, could you put this wrap between your ceiling drywall and the bottom of your trusses? Or is there a better way of keeping the radiant heat from penetrating your house in the summer?

    TOM: What you’re talking about here is a product called “reflective barrier.” And I have to say that I’m not convinced that it works really well and would not necessarily recommend it. And usually, it’s put in a home that’s already constructed. It’s a little bit easier to put in a home that, obviously, is being built.

    But there are far better alternatives if you really want to make your home energy-efficient. I would tell you to look into spray-foam insulation, specifically Icynene. Because when you use a spray-foam insulation in new construction, it does two things: not only does it insulate but it seals every possible little gap that is going to be throughout that building. And when the walls are open like that, you can have it sprayed and it’s going to do that. It’s also quieter in terms of preventing sound transmission. It just has so many wonderful benefits. I would tell you to focus on something like that to give yourself a real benefit and stay away from the radiant-barrier products.

    CHAD: Oh, OK. Thank you very much.

    TOM: You’re welcome, Chad. Thanks so much for calling us at 888-MONEY-PIT.

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