Library

Report examining the structural properties and applications of an innovative studless building system, detailing its testing regime and providing an engineering guide for architects and engineers.

Report on the design and evaluation of extended plate and beam.

Report examining the effectiveness of an aerosolized acrylic technique for air sealing existing homes to reduce air leakage and improve energy efficiency.

Training module describing the operation, efficiency, consumer and seller benefits, and cost comparison of Heat Pump Water Heaters (HPWH) against conventional gas, oil, or electric water heaters.

Report describing combined space- and water-heating (combi) systems using a high-efficiency direct-vent burner.

Report outlining the steps developers can take to create high-performance standards on a community-wide scale.

Report on heating and cooling air-distribution ducts that are insulated, installed close to the ceiling in a vented attic and covered with attic insulation to minimize energy loss.

Guide about designing and installing closed crawlspaces.

Report examining the use of smart thermostat data to detect performance degradation and optimize comfort control in home AC systems.

Report on the field evaluation of whole-building approaches and estimation of the relative contributions of select technologies toward reducing energy use related to space conditioning in new manufactured homes.

Report describing research about a test implementation of an unvented tile roof assembly in a hot-humid climate.

Report describing the ground-source IHP (GS-IHP) design and includes the lessons learned and best practices revealed by the research and development (R&D) effort throughout.

Informational guide describing the design, installation, and maintenance best practices and technical considerations for integrated Heat Pump Water Heaters in single-family and multifamily new construction.

Website for consumers describing heat pump water heater technology and linking to retailers and installers.

Report targeting the growing number of homes utilizing deep retrofit measures and new construction practices to realize sufficiently lower infiltration levels that require mechanical ventilation as prescribed by ASHRAE Standard 62.2.

Report describing the use of passive vents as a source of outdoor air in multifamily buildings.

Report on the use of vapor diffusion ports to reduce moisture issues with buried ductwork in unvented attics in hot-humid climates.

Report presenting ways public housing authorities (PHAs) can develop packages of energy efficiency retrofit measures the PHAs can cost-effectively implement with their own staff in the normal course of housing operations at the time when units are refurbished between occupancies.

Webpage describing a DOE Cold Climate Heat Pump Challenge. The challenge engages industry partners and focuses around the Cold Climate Heat Pumps, a more environmental and efficient heating alternative to traditional heating.

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.

Case study about a structural sheathing product composed of enhanced EPS rigid foam with OSB adhered on one side.

Research report that validates Pinhole Insulation®, offering a cost-effective, minimally invasive solution for enhancing insulation and air sealing in enclosed roof cavities, improving R-value by 60% compared to traditional methods.

This report examines indoor air quality in post-2013 homes across various climates, focusing on contaminant levels, ventilation equipment usage, and control measure impact, with regional data from Florida, Georgia, and South Carolina.