Day: January 23, 2011

How to Determine Friction Rate

Friction Rate The friction rate tells us how much friction our ductwork should produce, per 100’, so that we consume the rest of our available

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Developments in Green Construction

120,000 homes were “officially” evaluated by HERS raters in 2010 – a 7% increase from 2009. Believe it or not, this number represents 41% of all new homes built in 2010!

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