Share 'Duct Gains: Why do we hate R-8?'
Ever since the adoption of the 2009 International Residential Energy Conservation Code (IECC), duct sealing efforts have been tested using the total leakage or leakage to outdoors methods. It really is amazing how much duct gains effect the operation of your equipment and the comfort of your customer. The missing part of "duct testing" appears to be how well the ducts are insulated. Sure, you…
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