by John Krigger | Jan 14, 2022
(9.5 CEUs) To be an effective insulator, you must know about the materials and equipment used in your trade. This lesson explores the most important characteristics of insulation materials and the most common ways to install insulation. Insulation Introduction—1.5...
by John Krigger | Jan 14, 2022
(8.5 CEU) Blower door testing is an important skill for reducing air leakage in buildings. Blower doors give you an initial measurement of the leakiness of a building so you can budget the appropriate time and money for air sealing. During air sealing, workers can...
by John Krigger | Jan 14, 2022
(5.0 CEUs) This course explores the many aspects of duct energy efficiency, including these: duct air sealing, duct insulation, and airflow through ducts. The purpose of this course is to help you think about ducts holistically and to understand how ducts affect...
by John Krigger | Jan 14, 2022
(8.0 CEUs) Air leakage doesn’t provide reliable ventilation. As we make buildings more airtight, we must install whole-building ventilation. This course discusses building-science principles such as: indoor-air quality, air leakage, relative humidity, and...
by John Krigger | Jan 14, 2022
(6.5 CEUs) Baseload energy includes water heating, lighting, refrigeration, and other energy uses that don’t vary much with the changing seasons. Baseload energy may be up to half of the total energy that a home or commercial building uses, especially in mild...
