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...
by John Krigger | Jan 21, 2022
(2.0 CEUs) Gas heating equipment comes in all many types and models. An energy auditor should be able to correctly identify these systems and explain how they work. This course covers the types of gas-burning appliances, their major features, and how to identify them....
by John Krigger | Jan 14, 2022
(6.0 CEUs) This course covers mainly the operation of furnaces, but also space heaters and hydronic boilers. The purpose of this course is to help you recognize the different types of gas heating appliances, to understand how they work, and to make simple decisions...