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Compact Air Distribution

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

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

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

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

Guide describing how to correctly vent a clothes dryer.

Information guide describing considerations for before retrofitting HVAC systems, retrofit scope considerations, and HVAC system replacement options.

Guide describing combustion furnaces with selection and installation guidance.

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

Information guide describing things to consider before attempting retrofits including any combustion appliances, or that may affect them.

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

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