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

Guide describing how to install an exhaust fan in an attached garage to pull fumes out of the garage and to depressurize the garage with reference to the home.

Guide describing how to properly test the air barrier between the garage and house, and how to ensure the air barrier is tight enough to prevent garage air from entering the home.

Guide describing a method for insulating an unvented attic by spraying foam insulation along the underside of the roof deck.

Guide describing how to install efficient kitchen exhaust systems.

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 install a bathroom exhaust fan to remove excess moisture.

This guide describes how to install a whole-building ventilation system to provide adequate dilution of indoor air contaminants.

Guide describing requirements and best practices for mechanical garage exhaust in multifamily buildings.

Guide describing how to correctly vent a clothes dryer.

Guide describing how to select and install whole-house ventilation systems for existing homes.

This guide presents central and individual dwelling unit ventilation and exhaust strategies for multifamily construction.