Franklin, TN, US
I live in a warm climate (Tennessee) and was interested to know whether putting a radiant barrier (and possibly associated insulation) under the rafters in my existing attic would reduce heat gain in the attic? It is my understanding that radiant barriers work best if there is an airspace that allows the reflected hot air to escape. While I am not looking to encapsulate the attic anything to keep hot air out of the attic would reduce the cooling load in the house.
I love this concept. Have used it in two different houses and wonder why modern builders don't use this in new construction. Use timers to turn off exhaust fan otherwise it is so quiet you may forget that it is on.
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