FIBER vs. FOAM: R Values Don’t Tell Anything Like the Whole Story

Insulation R values don’t tell the whole story of household energy efficiency. Far from it. In the video below I show how two identical modern homes with the same R values, built by the same crew side-by-side, yet one uses twice as much energy as the other. Why? The facts behind this story can make a big difference to your household energy efficiency. I suspect you’ll be surprised, too.

  • Video watch time = 9 1/2 minutes

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– Steve Maxwell