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Guides A-Z

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

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

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 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.