by John Krigger | Apr 5, 2022
(1.5 CEU) An infrared “IR” scanner allows us to see heat transmission, thermal bridging and air leakage in buildings. We usually scan a building from the indoors. We can scan from the outdoors too, at night or at other times when the sun isn’t heating the building’s...
by John Krigger | Feb 20, 2022
(2.0 CEUs) Learn about the relationship between temperature and heat. Study the difference between sensible heat and latent heat. Discover how substances release heat and absorbed heat when there state changes from solid to liquid to gas. Understand how to calculate...
by John Krigger | Feb 9, 2022
(2.0 CEUs) The Weatherization Assistance Program (WAP) is a federal program created by Congress in 1979. Since then, WAP has weatherized millions of low income homes. WAP is managed by DOE on the federal level, state governments on the state level, and local...
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 CEUs) This course is about retrofitting doors, which requires quite a bit of good judgement along with carpentry skills. You’ll learn about the most common problems with doors and how to fix them. We discuss the types of door weatherstrip and how to weatherstrip...
