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Guide describing the types of whole-house fans, installation details to reduce energy loss, and how to operate them for comfort and energy savings based on climate zone.

Guide describing how to properly ventilate un-vented combustion appliances such as sealed fireplaces.

Guide describing how to conduct combustion appliance zone testing.

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

Guide describing condensing clothes dryers, which have a secondary heat exchanger and do not require exterior venting.

Guide describing the split system heat pumps used for central forced air heating and cooling.

Guide describing how to add spray foam insulation to the underside of the existing roof deck as part of the conversion of a vented attic to an unvented, insulated attic.

Guide describing how to correctly vent a clothes dryer.

Guide describing how to install a corrosion-resistant drain pan in condensate-producing HVAC equipment.