Day: March 5, 2010
How Manual-J’s Can Lead to Undersized Ductwork
Isaac Savage
July 5, 2012
No Comments
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?
Developments in Green Construction
Isaac Savage
February 28, 2011
No Comments
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!
The Equipment Selection Speedsheet – New and Improved for 2013 – Based on ACCA’s Manual-S
Isaac Savage
April 7, 2013
No Comments
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
Attic Insulation Q&A
Isaac Savage
January 23, 2011
No Comments
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.
Wrightsoft Right-Draw Drawing Tool Top 10
Isaac Savage
March 7, 2023
2 Comments
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
Introduction to Manual-J
Isaac Savage
May 13, 2012
4 Comments
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
Available Static Pressure and HVAC Equipment Selection
Isaac Savage
December 26, 2012
2 Comments
The available static pressure of your blower plays a huge role in making sure the HVAC system is able to perform optimally. After performing the