Adding Boiler Controls to an Existing Boiler in Multifamily Buildings Description Guide providing information about installing boiler controls in multifamily housing.
Combustion Furnaces Description Guide describing combustion furnaces with compliance and installation guidance.
Condensing HVAC has Corrosion-Resistant Condensate Drain Pan Description Guide describing how to install a corrosion-resistant drain pan in condensate-producing HVAC equipment.
Ductless (Mini-Split) Heat Pumps Description Guide describing ductless heat pump systems used for single-room or whole-house heating and cooling.
Existing HVAC System Upgrade or Expansion Description Guide describing how to upgrade or expand an existing HVAC system.
Proper Installation of Furnace and Air-Handler Filters Description This guide describes proper installation of high-MERV furnace and air-handler filters.
Traditional Split Heat Pumps Description Guide describing the split system heat pumps used for central forced air heating and cooling.
Whole-House Fans Description Guide describing the types of whole-house fans, installation details to reduce energy loss, and how to operate them for comfort and energy savings based on climate zone.