Library

Information about dense pack, cellulose insulation.

Webpage describing the successes and ongoing efforts of the Northwest Energy Efficiency Alliance's Go Ductless ductless heat pump program which successfully encouraged the installation of more than 150,000 minisplit heat pumps in the Northwest between 2010 and 2021.

Research report with results from field tests in two homes in Austin, Texas, from October 2011 to June 2012 to evaluate the comfort performance of ductless mini-split heat pumps

Free online tool for sizing central heat pump water heater systems.

The objective of this research was to quantify the field performance of wood-frame walls clad with a variety of common claddings in a mixed-humid climate.

Technical report evaluating the effects of heat pump water heaters on heating and cooling energy usage in laboratory homes.

Report demonstrating how the initiative achieves Building America (BA) goals of 30%-50% energy savings in multifamily dwellings in the hot-humid climate zone.

Report on problems and solutions with EIFS stucco wall cladding systems.

Web page providing an overview of window coverings such as blinds, shades, shutters, films, and storm windows.

Website from the U.S. Department of Energy providing consumers with information on saving energy and using renewable energy technologies.

Website with consumer information about residential heat pump systems.

Online reference containing general information about geothermal heat pumps.

Report investigating performance and energy savings potential of heat pump water heaters.

Research study describing experiments run in an unoccupied 1600 square foot house to evaluate the delivered performance as well as the relative performance of a SEER 21 variable capacity heat pump versus a SEER 13 heat pump.

Searchable list of heat pumps that meet ENERGY STAR criteria.

Webpage recognizing the most efficient products among those that are ENERGY STAR certified.

Program criteria for central air conditioner and heat pump equipment.

Informational guide describing the benefits, functionality, and cost savings of ENERGY STAR® certified heat pump water heaters, addressing common misconceptions and highlighting incentives.

Factsheet describing mini split heat pumps and their benefits for consumers.

Information sheet with details on a building enclosure designed for Albuquerque, NM, as an example for building enclosures built for hot-dry and mixed-dry climates.

Information sheet that summarizes Insulated Concrete Form (ICF) construction including advantages and disadvantages of this construction strategy.

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.

Technical report presenting the results of an evaluation of homes using high-efficiency mini-split heat pumps to supplement the primary heating and cooling systems.

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.

Article describing a study of the potential to use heat pumps to heat and cool homes across the United States, including cold climate locations like Alaska.

Report that demonstrates the durability, constructability, and cost-effectiveness of the extended plate and beam (EP&B) wall system for new construction housing projects in compliance with the International Energy Conservation Code, addressing moisture risk management and high-performance envelope...

Fact sheet describing the Extended Plate Wall (EPW) a system that incorporates a 2-inch layer of foam plastic insulative sheathing within the framing for top and bottom plates, streamlining air sealing, window and door installation, weather resistive barrier application, and cladding attachment for...

Study characterizing how foundation heat exchangers (FHXs) used in residential ground source heat pump systems represent a potential cost savings due to their lesser first cost over other types of heat exchangers.

Summary document describing flood resistant building materials and some tips for building flood resistant walls.

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.

Information sheet with an analysis of mini split heat pump systems.

Report describing the in situ performance evaluation of newly released heat pump water heaters (HPWHs), highlighting their energy and cost savings potential compared to conventional electric resistance water heaters and other alternatives, based on data collected from installations in Massachusetts...

Report on field monitoring of inverter-driven ASHPs in cold-climate homes.

Article describing five fundamental changes to building construction from the last 50 years and their modern construction consequences.

Research report assessing the moisture and cooling load impacts of airtightness and mechanical ventilation in homes in hot-humid climates.

Report describing a project aimed at developing validated models and design tools for foundation heat exchangers.

Article describing a numerical model that can be used to size foundation heat exchanger (FHX) systems.

Report investigating the status of the geothermal heat pump (GHP) industry and technology in the United States, assembling GHP energy savings potential, identifying key barriers to application of GHPs, and identifying actions that could accelerate adoption of GHPs.

Website with information about ENERGY STAR criteria for geothermal heat pumps.

Report describing the cost-effectiveness and performance of all-electric, zero net energy multifamily buildings in California, detailing technical challenges and providing recommendations for design, construction, codes, standards, and operations to support future projects.

Article describing the fundamentals and basics of glazing hazard mitigation practices for both new and existing buildings.

Report focuseing on dynamic window and opaque envelope technologies for GEBs, including electrochromic glazing, automated attachments, and thermal storage.

Website article discussing the economics of ground source heat pumps.

Report presenting a cold climate project examining and alternative approach to ground source heat pump ground loop design.

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.

Factsheet describing the uses and benefits of ground-source heat pumps for affordable housing, assisted living, dorms and hotels.

Document that gives a step-by-step approach for designing attachments for cladding materials through foam sheathing.

Factsheet describing how to install air source heat pumps for residential heating and cooling in cold climates.

Factsheet describing how to install air source heat pumps for residential heating and cooling in cold climates.

Guide by the Northeast Energy Efficiency Partnerships on how to size heat pumps in a cold climate.