Library

Webpage providing information on how window shading can reduce heat gain in summer and heat loss in winter.

Report assessing the science of climate change with a focus on the U.S.

Specification defining performance and reporting requirements to meet the voluntary “Cold Climate Air Source Heat Pump Specification” (ccASHP Specification) for air source heat pumps suited to heat efficiently in cold climates (IECC cz 4 and higher).

Webpage outlining how to optimize the installations and performance of mini-split heat pump systems. As well, it discusses a set of design considerations for multi-level homes, low load homes, and heat distribution to rooms without a heat source.

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

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.

Study investigating measured cooling energy performance in side-by-side identical homes with varying roof types, including cool roof technologies.

Technical report detailing a study in which actual cooling loads are compared to modeled cooling loads.

Webpage with instructions for heat pump installers to choose the most suitable type of heat pump system, according to a project’s specific requirements.

Document for contractors detailing how to prioritize, control, and configure heat pumps in a residence that uses two heating systems.

Document for customers describing the benefits of two-system controls for homes, including information answering how, when, why, and how two-system controls with multiple heating sources are employed.

Guidance from Zero Energy Project on construction techniques for warmer climates, such as home orientation, and insulation requirements.

A website explaining how to properly dispose of old refrigeration and air-conditioning equipment.

Study describing efforts and outcomes in developing color-pigmented roofing products with coatings to increase solar reflectance.

Paper describing the effects of tree canopies on residential climates indicating tree cover to be beneficial to climate conditions

ENERGY STAR webpage discussing the costs and benefits of cool roofs.

Webpage from U.S. Department of Energy describing 'cool roofs' and their usage for passive home cooling.

Web page providing information on the types of cool roofs and their benefits to consumers.

Article describing the use of whole-house fans to provide cooling in the region surrounding Sacramento, CA.

Tool developed by LBNL to calculate potential savings from increasing wall and roof solar reflectance.

Study reporting the results of comparative testing of the effect of finished and unfinished metal roofing systems on cooling energy performance in a test facility.

DOE Energy Saver webpage summarizing the use of whole-house fans for cooling.

Report providing recommendations to builders regarding how to reduce cooling loads, use air-circulation fans, natural ventilation, window and building design for natural ventilation, and whole-house fans.

Website providing information about the Cool Roof Rating Council including programs, membership, and resources for the construction industry.

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 The Home Energy Community of Practice on designing energy efficient homes in hot climate zones, including home orientation, window location, and roof design considerations.

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.

Technical report describing algorithms that use communicating thermostat heating data and that were developed to optimize customer adoption of energy conservation measures, enhancing the identification of retrofit opportunities, estimating post-retrofit energy savings, and enabling home-specific...

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

The main principle of smart ventilation used in this study is to shift ventilation from time periods with large indoor-outdoor temperature differences, to periods where these differences are smaller, and their energy impacts are expected to be less.

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

Simple web-based tool allowing homeowners to calculate the potential savings from installing a cool roof.

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.

Webpage describing the advantages and disadvantages of ductless mini-split air conditioner.

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

Webpage providing details of an experimental earth tube installation at the Clean Energy Exhibition in Georgia.

Article describing earthship homes.

Factsheet describing methods for securing HVAC units to avoid damage during an earthquake.

Bulletin describing the components of ECM motors and comparing their efficiency with PSC motors.

Article describing quality of life and economic benefit from trees.

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

Webpage from U.S. Department of Energy describing using Earth-Sheltered home building techniques in hot climate zones.

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

Study testing the effect of fan cooling on healthy adults at increased ambient temperatures.

Webpage describing embodied carbon through definition, significance to climate, and importance to policymaking.

Website that lists references that can help you determine how to control you indoor air quality while combating an emergency.

U.S. Code of Federal Regulations energy and water conservation standards for consumer products including home appliances and HVAC equipment.

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

Article from NAHB research center describing home building techniques for homes in hot climate zones.

Article by Energy Saver on how to save energy with your thermostat.