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
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?
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!
Now that spray-foam insulation is becoming more common in western North Carolina’s buildings, I figure it’s time once again to discuss the most common
Before jumping into the ASHRAE 62.2 options for existing homes, make sure you’ve read and understand how to calculate the airflow requirements for new construction,
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.
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.
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
