Guides A-Z

Guide describing repair and reconfiguration of air handler closet and platform when replacing air handler.

Guide describing air sealing of the seams and holes in HVAC air handler and furnace cabinets.

Guide describing how to install back-draft dampers in exhaust fans to make a shared duct possible.

Guide describing how to install a bathroom fan to remove excess moisture, cleaning chemical fumes, etc.

Guide describing the bathroom exhaust fan ENERGY STAR rating requirements.

Guide describing the use of building cavities as supply or return ducts.

Information guide providing background information about air flow in residential buildings.

Information guide providing background information about heat flow in residential buildings.

Guide describing combustion furnaces with compliance and installation guidance.

Guide describing correct ducting for exhaust fans.

Guide describing design and installation of compact duct systems for central heating and cooling systems.

Guide describing compression cooling air conditioning systems for space cooling.

Guide describing condensing boilers and hot water heat distribution systems used for home heating.

Guide describing how to select low-sone supply and exhaust fans for quiet, continuous operation.

Guide describing how to install continuously operating exhaust fans.

Guide describing categories of direct-vent combustion space- and water-heating equipment and combustion safety testing.

Guide describing method for designing and installing ducts in a raised ceiling chase. 

Guide describing how to conduct duct leakage tests on all components of the HVAC system (including the air handler, ductwork, register boxes/boots, and all air devices such as diffusers, registers, or grilles).

Guide describing how to install ducted returns in bedroom walls to balance air pressures between rooms and to enable stale air to return to a central heating system's air handler for reconditioning even when room doors are closed.

This guide describes approaches to buryng and encapsulating ducts in unconditioned attics to increase the overall R-value of duct insulation.

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

Information guide describing the use of ECM fan motors in air handlers used for heating, cooling, and ventilation.

This guide describes evaporative cooling technologies which can be used to cool homes in dry climates.

Guide describing how to provide combustion air for fireplaces and how to test fireplaces for combustion safety.

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

This guide describes the uses, selection process, and specification of high-MERV filters.

Guide describing how to thoroughly seal HVAC ducts to ensure air delivery without leakage, and to ensure economical and quiet performance of the HVAC system.

Guide describing how to choose ENERGY STAR fans.

Guide describing how to install jump ducts in bedroom walls to balance air pressures between rooms and to enable stale air to return to a central heating system's air handler for reconditioning even when room doors are closed.

Guide describing how to install efficient kitchen exhaust systems.

Guide providing information about installing boiler controls in multifamily housing.

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.

Guide outlining how to correctly install flex ducts without excessive coils or loops.

Guide outlining how to correctly install flex ducts without kinks or sharp bends.

Guide describing how to install obvious ventilation controls.

Retrofit guide describing how to assess harmful gasses such as carbon monoxide, sulfur oxides, nitrogen oxides, and soot from existing combustion appliances.

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 how to correctly vent a clothes dryer.

This guide describes proper installation of high-MERV furnace and air-handler filters.

Guide describing removal of construction debris from flex ducts and protection of ducts and HVAC equipment during construction to keep them free of dust and debris.

Guide describing how to air seal and insulate fiber board ducts.

Guide describing how to air seal and insulate flex ducts.

Guide describing how to air seal and insulate metal ducts.

This measure guide describes how to correctly install ducts, ensuring enough cavity space to avoid compression.

Guide describing how to hang ducts with supporting straps or saddles to adequately support ducts so they do not sag and are not pinched or compressed in a manner that would cause damage to the ducts, the duct insulation, or the duct air barrier covering.

Guide describing the use and testing of programmable thermostats.

Guide describign how to analyze boiler and building performanceand install thermostatic radiator valves (TRV) to reduce temperatures in over heated spaces.

Guide describing how to conduct duct leakage tests per RESNET protocols.

Guide describing how to install transfer grilles in bedroom walls to balance air pressures between rooms and to enable stale air to return to a central heating system's air handler for reconditioning even when room doors are closed.

Guide describing how to undercut the doors  in bedroom walls to balance air pressures between rooms and to enable stale air to return to a central heating system's air handler for reconditioning even when room doors are closed.

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