How Manual-J’s Can Lead to Undersized Ductwork
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?
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?

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
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
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
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

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
Are you a builder or contractor interested in adding home performance contracting services to your business? Home Energy Partners has developed a new course that

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
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