Guides A-Z

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Description
This guide provides information about installing Insulating sheathing above the roof deck on existing homes. This retrofit assembly is appropriate for homes with conditioned attics or where the retrofit is intended to create a conditioned attic.
Description
Guide describing categories of direct-vent combustion space- and water-heating equipment and combustion safety testing.
Description
Information guide describing the use of ECM fan motors in air handlers used for heating, cooling, and ventilation.
Description
Kitchen exhaust ventilation, properly ducted to the outside, is an essential component of good indoor air quality (Figure 1). Research has identified kitchens as the primary location where most harmful pollutants are generated in the home. During the cooking process, moisture and pollutants are...
Description
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.
Description
Guide describing how to install ventilation air inlets in open locations at a safe distance from potential air contamination sources.