Guides A-Z

Guide describing the repair and reconfiguration of the air handler closet and platform when replacing the air handler.

Guide describing how to install back-draft dampers in exhaust fans to make a shared duct possible.

Guide describing how to install a bathroom exhaust fan to remove excess moisture.

Guide describing the bathroom exhaust fan ENERGY STAR rating requirements.

Guide describing combustion furnaces with selection and installation guidance.

Guide describing correct ducting for exhaust fans.

Guide describing design and installation of compact duct systems for central heating and cooling systems.

Guide describing how to select low-sone supply and exhaust fans for quiet, continuous operation.

Guide describing how to install continuously operating exhaust fans.

Guide describing categories of direct-vent combustion space- and water-heating equipment and combustion safety testing.

Guide describing the use of electronically commutated motors (ECMs) in HVAC central air handler fans to reduce power consumption compared to a single-stage fan motor.

Guide describing how to upgrade or expand an existing HVAC system.

Guide describing how to air-seal and insulate the floor above an unconditioned basement or crawl space.

Guide describing ground-source (geothermal) heat pumps including an overview of technology and guidance on compliance and installation.

Guide describing best practices for testing and commissioning heat pump systems using smart tools during and after installation.

Guide describing how to choose ENERGY STAR fans.

Guide describing how to install efficient kitchen exhaust systems.

Guide describing the retrofit of kitchen exhaust systems, including duct sizing and routing considerations.

Guide describing mechanical ventilation tools and methods required for accurate airflow measurement.

Guide describing how to correctly vent a clothes dryer.

Guide describing the need for covers on sump pumps in the basement or crawlspace of a home.

Guide describing how to analyze boiler and building performance and install thermostatic radiator valves (TRV) to reduce temperatures in over heated spaces.

Guide describing options for adding dehumidification equipment to a home to maintain indoor relative humidity below 60%.