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Guides A-Z

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

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

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

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

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.