EPA Indoor AirPlus

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

Guide describing how to provide combustion air for fireplaces and how to test fireplaces for combustion safety.

Guide describing how to choose and install a carbon monoxide alarm.

Guide describing ways to air seal between apartments in n multi-family buildings to reduce occupants' exposure to environmental tobacco smoke.

Guide describing method for insulating an unvented crawlspace or conditioned basement with rigid foam on the interior side of the walls.

Guide describing how to insulate a basement to improve the overall thermal performance of the building and provide more dry, usable conditioned space for home occupants and HVAC equipment.

Guide describing how to use a blower door test to determine building envelope air leakage.

Guide describing ways to air-seal an attached garage in new and existing homes.

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 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.