Pre-Retrofit Assessment of Existing HVAC Systems Description Information guide describing considerations for before retrofitting HVAC systems, retrofit scope considerations, and HVAC system replacement options.
Sump Pump Cover Gasket Description Guide describing the need for covers on sump pumps in the basement or crawlspace of a home.
Oil-Fired Boilers - Code Compliance Brief Overview The focus of this brief is on boiler efficiency, sizing requirements, controls, combustion air, and pipe insulation for the 2015 version of the IRC/IECC.
Combustion Furnaces Description Guide describing combustion furnaces with selection and installation guidance.
Whole-House Dehumidification Description Guide describing options for adding dehumidification equipment to a home to maintain indoor relative humidity below 60%.
Measuring Mechanical Ventilation Airflow Description Guide describing mechanical ventilation tools and methods required for accurate airflow measurement.