Sealed and Insulated Flex Ducts Description Guide describing how to air seal and insulate flex ducts.
Design for Extreme Heat Description Information guide describing ways to design a home to be resistant to extreme heat.
Pre-Retrofit Assessment of Existing HVAC Systems Description Information guide describing considerations for before retrofitting HVAC systems, retrofit scope considerations, and HVAC system replacement options.
Whole-House Ventilation Strategies for New Homes Description This guide describes how to install a whole-building ventilation system to provide adequate dilution of indoor air contaminants.
Fireplaces and Wood Stoves Have Proper Ventilation Description Guide describing how to provide combustion air for fireplaces and how to test fireplaces for combustion safety.
Passive and Low-Energy Cooling Description Guide describing various ways of implementing passive and low-energy cooling techniques for a house.
Direct Vent Equipment Description Guide describing categories of direct-vent combustion space- and water-heating equipment and combustion safety testing.