Condensing Boilers Description Guide describing condensing boilers and hot water heat distribution systems used for home heating.
Gas-Fired Boilers Description Guide describing gas-fired boilers and hot water heat distribution systems used for home heating.
No Ducts or Air Handlers Located in Garage Description Guide describing how to design HVAC systems to be located within the conditioned space of the home, either in a utility closet or in an air sealed conditioned attic, basement, or crawl space.
No Excessive Coiled or Looped Flex Ducts Description Guide outlining how to correctly install flex ducts without excessive coils or loops.
Proper Installation of Furnace and Air-Handler Filters Description This guide describes proper installation of high-MERV furnace and air-handler filters.