Guides A-Z

Guide describing the split system heat pumps used for central forced air heating and cooling.

Guide describing how to install transfer grilles in bedroom walls to balance air pressures between rooms and to enable stale air to return to a central heating system's air handler for reconditioning even when room doors are closed.

Guide describing how to undercut the doors in bedroom walls to balance air pressures between rooms and to enable stale air to return to a central heating system's air handler for reconditioning even when room doors are closed.

Guide describing methods for insulating an unvented attic along the roof line.

Guide describing how to properly ventilate un-vented combustion appliances such as sealed fireplaces.

Guide describing a method for insulating an unvented attic by spraying foam insulation along the underside of the roof deck.

Guide describing construction of sloped roofs that are unvented and are insulated above the roof deck.

Guide describing methods for insulating an unvented crawlspace or conditioned basement with rigid foam on the interior side of the walls to provide an insulated space for HVAC equipment.

This measure guide describes the need to leave space for a solar hot water tank in the home’s utility room.

Guide describing replacement of a single-speed pool pump with variable-speed pump.

Guide describing options for designing and locating the thermal boundary at either the attic floor or along the roof line in new and existing homes.

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

This guide presents central and individual dwelling unit ventilation and exhaust strategies for multifamily construction.

Guide describing condensing clothes dryers, which have a secondary heat exchanger and do not require exterior venting.

Guide describing how to install a radon-mitigating vertical ventilation pipe in new and existing homes with various types of house foundations.

Guide describing the design and installation considerations for recladding of above grade walls using insulated vinyl siding.

Guide describing how to construct the walls of a home with bracing to resist wind and earthquake loads.

This guide describes how to install a rigid air barrier to separate the porch attic from the conditioned space.

This guide describes how to install a rigid air barrier to walls behind fireplaces.

This guide describes how to install a rigid air barrier to walls behind showers and tubs.

Guide describing how to elevate a water heater above the base flood elevation to protect it from flood damage.

Guide describing how to insulate the sill beam or sill plate on the exterior side in a way that allows drying to the exterior, as part of an exterior wall upgrade.

Guide describing an approach to re-roofing an existing flat roof to improve thermal, water, and air control performance.

Guide describing how to re-roof an existing home with a sloped and add insulation above the roof deck.