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Q: I read in a column of yours that home insulation should have a "proper R-value." What does that mean? — Doris L., Pittsburgh A: R-value refers to the level of resistance to heat flow that ...
Q: I read in a column of yours that home insulation should have a "proper R-value." What does that mean? — Doris L., Pittsburgh A: R-value refers to the level of resistance to heat flow that ...
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