There are three main types of insulation – fiberglass batts, blown in fibers (cellulose or fiberglass), and spray foam. They are all commonly used to insulate attics.
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!
We’ve had our series of HVAC design courses online now for over a year, now. They’ve been a great success and we’ve received lots of
Manual-S is being required by many building programs and local codes these days. The problem is, it’s really hard to tell whether the installing contractor
The Building Perfoarmance Institute (BPI for short) is perhaps the country’s foremost developer of home performance and weatherization protocols and standards – standards that save
Before jumping into the ASHRAE 62.2 options for existing homes, make sure you’ve read and understand how to calculate the airflow requirements for new construction,
Starting today, any residential building code official can obtain access to our Duct and Envelope Tightness Verifier training for FREE. This training covers the building
Tuesday January 1, 2013 – Monday December 17, 2012 | Register Description: To date, 29 states have adopted codes equivalent to the 2009 or 2012
