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HVAC


Solution Center Guides


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

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

Information guide describing how to calculate ventilation area in existing roofs.

Guide for designing and installing interior ducts in an interstitial floor cavity in new and existing homes.

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

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 how to conduct a home performance assessment before beginning retrofit projects in existing homes.

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 describing how to evaluate existing ventilations systems before performing home upgrades.

Guide describing how to install ventilation air inlets in open locations at a safe distance from potential air contamination sources.

This guide describes how to install a whole-building ventilation system to provide adequate dilution of indoor air contaminants. 

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.