WRT or With Respect To is a term most commonly used for measuring pressure differences. For example, when preforming a duct test, we seal all the openings & pressurize the duct system to 25 pascals WRT to the house. For More
The Homeowners & Trades Resource Center
WRT or With Respect To is a term most commonly used for measuring pressure differences. For example, when preforming a duct test, we seal all the openings & pressurize the duct system to 25 pascals WRT to the house. For More
