How to eliminate drafts in your house
Tightening up your house is a great retrofit project that will produce tangible results.
Tightening up your house is a great retrofit project that will produce tangible results.
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
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!
Building Science + HVAC Training & Certification We’ve been working in the energy efficiency field since 2002. We’re not just teaching from a textbook, we’re
Carbon monoxide poisoning is far more common than most people believe. Here is a good video that discussed the benefits of low-level monitors.

This video was produced by the Department of Energy, and does a fantastic job illustrating what’s involved in a comprehensive home energy audit. This is
Monday June 4, 2012 – Monday June 4, 2012 Map and Directions | Register Description: Manual-J is the first step of the HVAC design process.
Mold is good… except when it’s growing inside your house. Even though we live in houses made of mold food, mold food is only appetizing when moisture levels are out of balance. Since we can’t easily eliminate mold food from our houses, it becomes very important that we keep them dry.
Blowers Carbon Monoxide Friction Rate IAQ Manual-D Manual-J Manual-S Software Static Pressure Water Heater Wrightsoft