by Shari Bowen | Mar 6, 2023
(2.0 CEUs) A variety of common building characteristics create air leaks. In many buildings, air leakage is one of the largest sources of heat loss in winter and heat gain in summer. Air-leaks can be difficult to find, but they’re often inexpensive to fix. This lesson...
by John Krigger | Feb 9, 2022
(1.5 CEUs) What we call “pressure diagnostics” is a group of tests and observations that help us diagnose and locate air leaks. We do pressure diagnostics during a blower door test. We take measurements of pressure and airflow, which help us to know how leaky a...
by John Krigger | Jan 21, 2022
(1.5 CEU) Air barriers are an essential part of the building envelope of an energy-efficient building, but the need for air barriers in buildings isn’t well known. This Air Barrier Basics lesson covers air-barrier principles and typical air-barrier installation...
by John Krigger | Jan 21, 2022
(2.0 CEUs) A variety of common building characteristics create air leaks. In many buildings, air leakage is one of the largest sources of heat loss in winter and heat gain in summer. Air-leaks can be difficult to find, but they’re often inexpensive to fix. This lesson...
by John Krigger | Jan 21, 2022
(1 CEU) Ducts can be a major energy-waster. This lesson presents an outline and overview of duct energy-efficiency problems. Ducted airflow, duct air leakage, duct heat transmission, and where the ducts are installed all affect the energy efficiency of forced-air HVAC...
