Is R-8 Duct Insulation Enough?

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Code requirements are always a compromise between what’s best and what’s practical

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If you know a little building science, you’ve no doubt seen a lot of problems that occur with air distribution systems. Ducts just don’t get anywhere near the attention they deserve in most homes.

I’ve written about ducts quite a bit here and have shown problems resulting from poor design and installation. We all know how stupid some of those problems are. So today I’m going to talk about a problem that doesn’t get nearly enough attention: duct insulation — even when the design and installation are perfect.

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[source: http://www.greenbuildingadvisor.com/articles/dept/building-science/r-8-duct-insulation-enough]


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