by John Krigger | Apr 1, 2022
(0.3 CEU; 20 minutes) This 7-minute video outlines main energy-use categories for seasonal heating and cooling energy and the important baseload energy consumers. Find your reading assignment under the Materials tab. Together, the two should help you realize the...
by John Krigger | Apr 1, 2022
(0.5 CEU; 30 minutes) This micro course contains a variety of information on the most common electric circuits found in buildings. We present electric circuits in two videos. The questions in the exam are based on the two videos. We also include two optional readings...
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...
by John Krigger | Mar 31, 2022
(0.5 CEU; 25 minutes) This 7-minute video explains the process of evaluating and servicing a typical residential HVAC system. The focus is on troubleshooting and logical progression of tasks. Find your procedure guide under the Materials tab. A short quiz will...
