by John Krigger | Jan 20, 2022
(1.5 CEUs) Pressure is a physical principle that describes the difference in density, elevation, temperature, concentration (or some other measurement) between one place and another. Flow and pressure are related to one another. Pressure causes flow, and flow causes...
by John Krigger | Jan 20, 2022
(2.0 CEUs) People need space conditioning systems because the outdoor temperature is different than the temperature that people prefer indoors. This lesson explains basics of how buildings gain and lose heat according to the season.
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
(5.0 CEUs) Duct air leakage is one of the most challenging energy wasters that energy specialists strive to reduce. Like building air leakage, duct air leakage is difficult to measure. This course discusses two distinct ways of evaluating or measuring duct leakage:...
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,...
