by John Krigger | May 14, 2022
(0.8 CEU; 50 minutes) This micro course outlines the most important concepts to understand how steam and hydronic heating systems work along with the problems that in fact these systems. Steam systems are a little easier to understand and hydronic systems, but their...
by John Krigger | May 5, 2022
(0.6 CEUs; 40 minutes) This micro course provides an outline of the components and terminology of heating, cooling, and ventilation equipment. This outline should give you the foundation for learning more about HVAC systems as presented in the handouts under the...
by John Krigger | Apr 2, 2022
(0.9 CEU; 55 minutes) Human comfort is what we try to achieve in buildings with heating and cooling systems. This micro course explores how the human body responds to heating and cooling systems. Some HVAC systems provide adequate comfort and some don’t,...
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
(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...
