Library

Specifications for water heating systems designed to advance higher performing electric and gas heat pump water heaters.

This report outlines research activities that are expected to facilitate the adoption of energy retrofits by remodeling contractors and roofing contractors using retrofit panels which applicable to many existing house designs in most climates and markets.

This report evaluates the performance of variable-capacity comfort systems, with a focus on inverter-driven, variable-capacity systems, as well as proposed system enhancements.

DOE-sponsored report describing a study investigating condensation buildup on windows when using insulating shades.

Report describing the performance, cost, and carbon impacts of unitary heat pump water heaters with load-shifting controls in a shared configuration for a multi-family project, highlighting significant savings in energy usage, CO2 emissions, and utility costs.

Report outlining how Smart ventilation controls (SVC) balance energy consumption, comfort, and IAQ by optimizing mechanical ventilation operation to reduce the heating and/or cooling loads, improve management of indoor moisture, and maintain IAQ equivalence according to ASHRAE 62.2.

Report identifying Building America and 2021 International Energy Conservation Code climate zone designations for every county in the United States; where a county's climate zone designation has changed since the 2018 IECC, that change is indicated as well.

Website providing information on low-energy and standard cooling systems, with a focus on saving energy.

The next generation of building enclosures is a key step toward achieving high-performance goals through decreasing energy load demand and enabling advanced space-conditioning systems. Yet the adoption of high-R enclosures and particularly high-R walls has been a slow-growing trend because...

Fact sheet describing analysis of potential heating and cooling savings from radiant barriers in attics.

Web page providing an overview of room-level air conditioning systems such as window units and mini-splits.

Presentation report detailing Heat Pump Water Heater (HPWH) interaction with space conditioning systems in real-life test scenarios that explains some of the problems arising from these interaction and information that can be used to make the system more efficient.