by John Krigger | Jan 21, 2022
(1.5 CEUs) This lesson begins by talking about duct-leakage standards and duct leakage measurement. You’ll learn where to find the duct leaks in this lesson. Also, this lesson shows you the methods and materials that duct sealers used to seal ducts. We then...
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 20, 2022
1.0 CEUs) Air conditioning is expensive and should be our last resort for cooling a building. This lesson covers the sources of heat gain in buildings. The lesson discusses how your climate influences electricity consumption for cooling. The lesson explains common...
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
(7.0 CEUs) This course explains why we need heating and cooling systems and how to identify different types of heating-and-cooling systems. Energy auditors need to identify heating and cooling equipment to make decisions and to write work orders. Energy specialists...