Combustion Furnaces Description Guide describing combustion furnaces with selection and installation guidance.
Existing HVAC System Upgrade or Expansion Description Guide describing how to upgrade or expand an existing HVAC system.
Gas-Fired Boilers Description Guide describing gas-fired boilers and hot water heat distribution systems used for home heating.
Oil-Fired Boilers Description Guide describing oil-fired boilers and hot water heat distribution systems used for home heating.
Pre-Retrofit Assessment of Existing HVAC Systems Description Information guide describing considerations for before retrofitting HVAC systems, retrofit scope considerations, and HVAC system replacement options.
Steam System Balancing for Multifamily Existing Buildings Description Guide describing best practice venting strategies for existing steam heating systems in multifamily buildings.
Whole-House Dehumidification Description Guide describing options for adding dehumidification equipment to a home to maintain indoor relative humidity below 60%.