Guides A-Z

Guide describing combustion furnaces with compliance and installation guidance.

Guide describing method for installing ducts in a duct chase above a dropped ceiling.

Guide describing gas-fired boilers and hot water heat distribution systems used for home heating.

Guide describing sizing and installation of foundation heat exchangers, which can be connected to a heat pump system used for spacing conditioning as well as domestic water heating.

Guide describing oil-fired boilers and hot water heat distribution systems used for home heating.

This guide can help you assess an existing Heating, Ventilation and Air Conditioning (HVAC) system for potential intervention such as repair, upgrade or expansion, or replacement.

Guide describing additional requirements for HVAC systems in warm-humid climates to operate in a dehumidification mode to maintain indoor relative humidity at or below 60 percent.