Adding Boiler Controls to an Existing Boiler in Multifamily Buildings Description Guide providing information about installing boiler controls in multifamily housing.
Air Handler Closet Retrofit Description Guide describing repair and reconfiguration of air handler closet and platform when replacing air handler.
Combustion Furnaces Description Guide describing combustion furnaces with compliance and installation guidance.
Condensing Boilers Description Guide describing condensing boilers and hot water heat distribution systems used for home heating.
Direct Vent Equipment Description Guide describing categories of direct-vent combustion space- and water-heating equipment and combustion safety testing.
Fireplaces and Wood Stoves Have Proper Ventilation Description Guide describing how to provide combustion air for fireplaces and how to test fireplaces for combustion safety.
Gas-Fired Boilers Description Guide describing gas-fired boilers and hot water heat distribution systems used for home heating.
Home Performance Assessment Description Information guide describing how to apply a whole-house approach to home improvement with energy efficiency upgrades, improved indoor air quality, and increased comfort.
Pre-Retrofit Assessment of Ventilation Systems Description Guide describing how to evaluate existing ventilations systems before performing home upgrades.
Unvented Combustion Appliances Description Guide describing how to properly ventilate un-vented combustion appliances such as sealed fireplaces.