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 | Apr 2, 2022
(1.5 CEUs) HVAC airflow problems are difficult to diagnose and fix. Poor HVAC airflow can dramatically reduce building energy performance, even if the building is otherwise energy efficient. Never assume that HVAC airflow is sufficient for good HVAC efficiency. This...
by John Krigger | Mar 31, 2022
(0.6 CEU; 40 minutes) The HVAC refrigeration cycle is a very important concept in building science and HVAC. This micro course is a good introduction or a good refresher course, in case you haven’t thought about refrigeration in a while. Most of the content in...
by John Krigger | Mar 31, 2022
(0.9 CEU; 55 minutes) Airflow and static pressure are directly related to one another. Measuring static pressure is considerably easier than measuring airflow. Thus, we measure static pressure differences in different parts of a forced air system. This micro...
