by John Krigger | Jan 21, 2022
(1.5 CEUs) HVAC systems are only effective if they distribute the right amount of conditioning to building spaces. Forced-air HVAC systems are notorious for air-distribution problems. This lesson covers conditions that reduce the effectiveness of forced-air...
by John Krigger | Jan 21, 2022
(1.0 CEU) HVAC systems are expensive to replace. When we solve HVAC problems without replacing the system, we benefit our client. This mini course covers how to improve existing HVAC systems through retro-commissioning. Retro-commissioning evaluates the functioning of...
by John Krigger | Jan 21, 2022
(1.5 CEUs) HVAC systems are expensive to replace. If we replace an existing system, we should make it the most efficient systems that the client or organization can afford. This mini course covers how to make the best choices to either service the existing system or...
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...
