by John Krigger | Jan 21, 2022
(2.5 CEUs) There is quite a variety of different types of water heaters, both electric and fossil fuel powered. This lesson focuses on the different types of water heaters, their characteristics, there advantages, and their disadvantages. Most buildings in the US...
by John Krigger | Jan 21, 2022
(1.5 CEUs) Many or most homes in your region have air conditioning systems. This lesson explains how to use low-energy cooling to minimize the amount of time that air conditioners operate. Strategies include cool roofs, window treatments, circulation fans, whole house...
by John Krigger | Jan 21, 2022
(1.0 CEU) This lesson focuses on the characteristics of windows and how these characteristics relate to a windows energy efficiency. Windows have changed significantly over the past 30 years, and there are a lot of recent developments that we discuss in 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...
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,...
