by John Krigger | Jan 21, 2022
(1.0 CEUs) Good buildings provide adequate comfort to their occupants. Occupants experience discomfort, sub-optimal health, and reduced productivity in buildings that don’t provide adequate comfort. This lesson covers how the thermal envelope, HVAC systems, and...
by John Krigger | Jan 21, 2022
(2.5 CEUs) Central air conditioners and heat pumps rely on the refrigeration cycle to provide heating and cooling. This lesson explains the refrigeration cycle in simple language with clear diagrams. You’ll learn the following. How HVAC refrigeration systems...
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...
