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
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
If you’re installing an HVAC system based on Manual-J sizing calculations, how do you know what size the ducts need to be for each room?
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
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.
Monday July 23, 2012 – Monday July 23, 2012 351 Ocean Ridge Pkwy. Map and Directions | Register Description: Manual-J is the first step of

I’ve been consistently delivering design work with Wrightsoft’s Rightsuite for over 15 years at this point. When I first learned to use the software, I

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.
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!
Blowers Carbon Monoxide Friction Rate IAQ Manual-D Manual-J Manual-S Software Static Pressure Water Heater Wrightsoft