by John Krigger | Jan 21, 2022
(2.0 CEUs) Blower door tests are essential to building-energy evaluations. This lesson covers the science behind blower door tests and how we use test results to evaluate building airtightness. You’ll learn the following. Why airtightness tests are...
by John Krigger | Jan 14, 2022
(4.0 CEUs) Attics are usually the most important building assembly to insulate correctly. Attic insulation saves energy in both the heating season and cooling season. Find your reading assignment under the Materials tab. A short quiz will evaluate your retention of...
by John Krigger | Jan 14, 2022
(8.5 CEUs) Refrigerated air-conditioning is the most expensive way to create summer comfort. Low-energy cooling minimizes energy-intensive refrigerated air-conditioning by reducing solar gain, air leakage, and relative humidity. When we reduce heat gains, air leakage,...
by John Krigger | Jan 14, 2022
(9.0 CEUs) The purpose of this course is to help you understand the characteristics, performance factors, and installation procedures of windows and doors. Windows and doors are a critical elements of the energy efficiency of the building envelope. Windows present us...
by John Krigger | Jan 14, 2022
(5 CEUs) In most retrofit jobs, wall insulation presents the challenge of insulating cavities that you can’t look into. This course discusses the materials and methods of installing wall insulation with complete coverage and consistent density.