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
Whole-building ventilation Whole building ventilation should dilute interior pollutants by creating an air exchange within the home. This can be achieved by one or more
Now that the new 2012 NC Energy Code requires every duct system to be pressure tested, there’s a good business opportunity for folks that are
One of the most common downfalls of installed HVAC systems is their inability to distribute the correct amount of air to where it’s needed most.
Standard gas water heaters are one of the most dangerous appliances I see in homes. This one was found in the basement of an extremely leaky house.
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
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
A few weeks ago, we were in Greensboro, NC providing a dual-certification training (BPI Analyst + BPI Heat Pump Professional) to a group of HVAC
