Library

Research report anayzing the results of a large retrofit project, turining an old school into near zero energy consumption apartments in Greenfield MA.

Report on experiments comparing the cooling and heating seasonal and peak demand performance of different variable-capacity air conditioning and heat pump units.

Webpage explaining what causes the formation of ice dams on roofs and steps to take to prevent them.

Part of a larger LBNL report (Deep Energy Retrofit Guidance for the Building America Solutions Center), the Occupant Behavior chapter discusses how to assess homeowner behavior patterns and use these patterns to enhance overall energy savings.

Part of a larger LBNL report (Deep Energy Retrofit Guidance for the Building America Solutions Center), the Over Time, Phased Guidance chapter presents a phased approach to deep energy retrofits.

Part of a larger LBNL report (Deep Energy Retrofit Guidance for the Building America Solutions Center), the Reducing costs and Increasing Cost-Effectiveness chapter provides suggestions for controlling deep retrofit costs, including both 'do's' and 'don'ts'.

Part of a larger LBNL report (Deep Energy Retrofit Guidance for the Building America Solutions Center), the Source Energy and Carbon Decisions chapter helps users carefully assess the impacts of switching from gas to electricity for heating end-uses, using source energy and/or carbon emissions...

Article from Green Building Advisor on strategies to take when building homes to reduce the need for air conditioning, including insulation, windows, site selection, and roofing.

Online database with efficiency information about residential HVAC systems and commercial refrigeration equipment.

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.

A map describing the average temperature of shallow groundwater in Fahrenheit across the continental United States.

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.

Powerpoint on attic ventilation developed as training material for the Weatherization Assistance Program.

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.

A publication developed by the U.S. Forest Service for its employees and other federal agency staff describing erosion control methods.

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.

Report evaluating the accuracy of the regression technique used in 2006 by using the same least-squares regression analysis on data created from hourly energy simulation software.

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.

Guidebook meant to provide public officials with information on excessive heat event.

Report presenting the process of a residential retrofit project for houses in the states of Florida and Alabama, including findings at the time of reporting and highlights of the first home to meet the target HERS Index of 70.

Technical report detailing the vulnerabilities of the U.S. electric grid to weather-related failures.

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.

Document discussing methods to bioengineer stabilization of shorelines using living and non-living plant materials in combination, known as the “Living Shorelines” concept.

Website providing maps for natural disaster risk in the United States.

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.

Report to understand the long-term moisture performance of unvented roof assemblies with fibrous insulation.

Updated wildfire risk assessment, community impacts, and building science measures following the disastrous 2020 wildfire season in the western U.S.

This document includes tips for safely and effectively cleaning up a home after a flood. It is available in several languages.

Website providing series of short how-to videos, infographics and more resources on cleaning up a home after a flood.

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 analyzing the effect of global climate change on national interests, and providing climate predictions.

Article describing issues with attic ventilation fans and why the state of Georgia residential code does not allow plug-in attic ventilation fans.

Document describing amendments to IECC 2015 to create the Georgia State Minimum Standard Energy Code.