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Direct Vent Equipment

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

Dryer vents directly to the outdoors

Direct vent appliance installed

Kitchens should be equipped with an exhaust fan that vents directly outdoors

Bathrooms should be equipped with an exhaust fan that vents directly outdoors

Clothes dryers vented directly to outdoors, except for ventless dryers equipped with a condensate drain

A direct-vent sealed-combustion furnace has dedicated pipes for combustion air and exhaust

Publication Date

Thu, 02/07/2013 - 12:00

Dryer exhaust duct should vent directly to the exterior via a smooth, rigid metal duct

Furnaces, boilers, and water heaters located within the home’s pressure boundary are mechanically drafted or direct-vented

Because flue temperatures are cool, intake and exhaust ducts on a Category 4 direct-vent sealed-combustion condensing furnace can be made of PVC

Publication Date

Thu, 02/07/2013 - 12:00

Proper Clothes Dryer Venting

Guide describing how to correctly vent a clothes dryer.

Combustion Furnaces

Guide describing combustion furnaces with selection and installation guidance.

Pre-Retrofit Assessment of Combustion Appliances

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

Pre-Retrofit Assessment of Existing HVAC Systems

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

Bathroom Exhaust Fans

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

Kitchen Exhaust Fans

Guide describing how to install efficient kitchen exhaust systems.

Thermostatic Radiator Valves on Steam Heating Systems

Guide describing how to analyze boiler and building performance and install thermostatic radiator valves (TRV) to reduce temperatures in over heated spaces.

Compact Air Distribution

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