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Guide describing how to install obvious ventilation controls.

Guide describing how to install ventilation air inlets in open locations at a safe distance from potential air contamination sources.

Guide describing how to insulate a vented attic in an existing home using blown insulation added to the attic floor.

Guide describing how to install continuously operating exhaust fans.

Guide describing options for designing and locating the thermal boundary at either the attic floor or along the roof line in new and existing homes.

Guide providing guidance on insulating attic eaves in new and existing single-family homes and multifamily buildings.

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

Guide describing how to apply spray foam insulation to ceilings in existing homes.

Guide describing how to air-seal and insulate a ceiling where the insulation is installed on top of the ceiling (on the attic floor) in a vented attic.

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.

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

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.

Guide describing how to re-roof an existing home with a sloped and add insulation above the roof deck.

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 air-seal bathroom and kitchen exhaust fans.

Guide describing how to install a radon mitigation fan with various types of house foundations.

No outdoor air intakes connected to return side of the HVAC system, unless controls are installed to operate intermittently & automatically based on a timer and to restrict intake when not in use (e.g., motorized damper)

Guide describing how to air seal and insulate flex ducts.

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