More and more state codes are requiring room-by-room Manual-J load calculations as part of the permitting and inspection process. Virginia, North Carolina, South Carolina, Georgia,
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?
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
This week’s HERS Rater training course was in Manteo, NC, just across the water from the Outer Banks. We had a great group of folks
Monday June 4, 2012 – Monday June 4, 2012 Map and Directions | Register Description: Manual-J is the first step of the HVAC design process.
Interested in our Duct and Envelope Tightness (DET) Verification training? Check out the two sample how-to videos below on running the blower door tests using
There are three main types of insulation – fiberglass batts, blown in fibers (cellulose or fiberglass), and spray foam. They are all commonly used to insulate attics.
Our last Manual-J post focused on envelope loads and how important it is to properly account for them in your HVAC design. Now we will turn
