Anytime you get the insulation up to superinsulation ratings and seal up the leaks to match, you need controlled heat recovery ventilation.
Its hard to retrofit, but superinsulation pays better than anything you can do to a house to control its energy consumption.
I'm not sure I like the Icynene product. The local vendor is hard to get along with, but I'm concerned that it prevents the encased wood parts of the struccture from breathing and so keeps them from drying and that can lead to rapid rot.
It also costs about three times per board or cubic foot of what fiberglass costs, and isn't the greatest R-value foam available but makes its claim to greatness on the fact it sticks to and seals all gaps that would be heat leaks in poorly installed fiberglass or foam boards. In fact that claim they make stronger than the real R value.
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Today's Featured Article - Women and Tractors - Tractor Engine Repair - by Teri Burkholder. One of the great things about working on a tractor engine with your other half is that you know what he is thinking of at all times and can anticipate his every move and his next thought of what he will do. With Ben, anyway, I can tell! He'll be busy working and I’m handing him tools and he says, "give me that..." and I’ve already got it in his hand or "hand me that....."and I’ve got the portable light right where he needed it placed to see. "Run in the house and get me a...."as I open th
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