Manual-J Heating and Cooling Load Calculations Manual-J is the name for a specific protocol (often called “Heat Load Calculation” or “Cooling Load Calculation“) used to determine
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
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
Here’s how to satisfy ASHRAE 62.2 when using a supply-only system. The following are two examples of how to set things up, depending on what
The Building Performance Institute (BPI) announced a new course this summer for individuals who perform building infiltration and duct leakage testing. The BPI Infiltration and Duct Leakage
Manual-J’s Required. 42 states have adopted codes equivalent to the 2009, 2012, 2015, or 2018 International Energy Conservation Codes (IECC). As a result, 29 states
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!
