Library

Document providing guideance and considerations for duct design in an energy efficient house.

Report covering moisture and leakage issues associated with spray foam insulation application to the underside of roof sheathing.

Document presenting some of the key technical properties of many of the most common building materials.

Report on the stability of furring strips as a means for cladding attachment over walls with thick exterior rigid insulation.

The Guide addresses walls constructed with 2x4 wood frame studs, wood structural panel sheathing (WSP) as wall bracing and added backing for foam sheathing, a layer of rigid foam sheathing insulation up to 1.5 inches thick over the WSP, and a cladding system installed over the foam sheathing in low...

Report identifying two barriers that limit the ability of builders to explore opportunities for higher levels of energy efficiency in housing: the use of duct system materials that inherently achieve airtightness and are right-sized for low-load houses, and, the ability to air seal fire separation...

Article from NREL on wall construction guidelines for homes in hot climate zones.

Report providing step-by-step instructions for heating contractors and hydronic designers for selecting the proper control settings to maximize system performance and improve response time when using a thermostat setback.

This page provides important information on how to protect yourself and your family if you suspect that you might have vermiculite insulation from Libby, Montana.

Information sheet describing how to select a properly sized water heater based on household usage patterns, peak demand, and heater type—whether tankless, solar, or storage-based—to ensure efficiency and adequate hot water supply.

Information sheet about types and installation of insulation.