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) Excessive duct leakage causes major energy and comfort problems in many buildings. This lesson covers why and how building-energy specialists test duct-system leakage. You’ll learn the following. The methods and equipment used to test duct-airtightness.How...
by John Krigger | Jan 21, 2022
(3.0 CEUs) The purpose of this lesson is to describe the exact process of conducting a blower door test. There are many considerations and issues to understand. Building-energy specialists can set up blower door equipment in a variety of incorrect ways. This lesson...
by John Krigger | Jan 21, 2022
(1 CEU) Building-energy specialists need to prepare the building envelope in a consistent way to conduct accurate blower-door tests. This lesson outlines how to prepare the building to energy-industry standards. You’ll learn how windows, doors, ventilation equipment,...
by John Krigger | Jan 21, 2022
(2.0 CEUs) Weatherization Assistant (WA) is a typical kind of software that helps energy auditors do calculations automatically. The Weatherization Assistance Program requires auditors to use the WA software or another software like it.
