Guides A-Z

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

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

Guide describing various ways of implementing passive and low-energy cooling techniques for a house.

Guide describing how to air seal and insulate flex ducts.

Guide describing the use and testing of programmable thermostats.

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