by John Krigger | Jan 21, 2022
(2.5 CEUs) Well-designed combustion venting is essential for occupant health, safety, and building durability. This mini course covers how combustion venting works and how it fails. You’ll learn the following. The main types of combustion venting and their primary...
by John Krigger | Jan 21, 2022
(1.5 CEU) Gas furnaces come in a variety of designs and sizes, with efficiencies that range from 50% to more than 90%. This lesson covers the three main furnace types and the factors that most affect their efficiency. You’ll learn the following. How to detect signs of...
by John Krigger | Jan 21, 2022
(2.0 CEUs) Most buildings in the US use gas combustion to provide space heating and water heating. This course covers the different types of burners and venting systems. We explain the science of gas combustion and the major components of gas-combustion devices....
by John Krigger | Jan 21, 2022
(1.0 CEU) Ducts located outside the conditioned space need duct insulation. Without insulation, ducts outside the thermal boundary waste energy and don’t deliver conditioned air to inside spaces efficiency. This leads to comfort problems, condensation problems, and...
by John Krigger | Jan 21, 2022
(1.5 CEUs) This lesson explains how to do major duct repair and duct air sealing. For example, sometimes the furnace and the main duct aren’t well connected, causing the worst air leak in the home. This course explores how to fix this furnace-duct problem and...
