Building Thermal Envelope
EREN is the U.S. DOE’s comprehensive resource for energy efficiency and renewable energy information.
This fact sheet will tell you the most economical insulation level for your new home.
This fact sheet helps you determine the type of insulation, where to insulate, how much insulation to use.
This fact sheet covers in significant detail the properties and applications of several types of loose-fill insulation.
NFRC provides accurate information to compare the energy performance of window, door, and skylight products.
Visit to learn more about recommended insulation levels and the application of fiber glass and rock wool insulation.
CIMA provides design information and recommendations on the use of cellulose insulation.
Efficient Windows Collaborative provides recommendations for energy-efficient window selection and use.
Space Heating and Cooling
Energy Guide Labels help consumers compare energy performance and operating costs of similar products.
Energy Star® provides specifications for purchasing central and room air conditioners, furnaces, boilers, air-source and geo-thermal heat pumps, and programmable thermostats.
ACEEE has an on-line list of the most energy-efficient heating and cooling equipment, including home appliances.
CEE details installation and maintenance practices for residential HVAC and duct systems.
The site provides publications, case studies, cost analysis, and a list of geothermal heat pump manufacturers.
Lighting and Appliances
This site explains Energy Guide Labels and provides links to information for purchasing energy-efficient appliances.
Energy Star lists specifications for home appliances, electronics, computers, anEPA Energy Star® d a host of lighting products.
ACEEE offers resources for evaluating water heaters, clothes washers, and dishwashers and lighting.
CEE's Super-Efficient Home Appliances Initiative highlights refrigerators, dishwashers, and clothes washers. Specifications and lists of conforming products are available.
Energy Audits, Ratings, Green and Energy-Efficient Buildings
Home Energy Checkup provides an on-line guide to saving money and increasing comfort in your home.
Home Energy Saver's Energy Advisor calculates energy use and savings opportunities.
RESNET offers practical information, construction tips, and financial tools to help build and sell more energy-efficient homes.
USGBC has an energy and environmental rating system for commercial and high-rise residential buildings.
Energy Star® Homes assists builders, buyers, and owners in reducing energy and environmental impact of homes.
EREN is U.S. DOE’s comprehensive resource for energy efficiency and renewable energy information.
KBSI conducts accredited home energy rater certification training.
Sustainable Sources provides a directory of green builders, experts in solar energy, and resources on sustainability.
Austin's Green Buildings Program encourages sustainable building practices, systems, and materials in residential and commercial construction.
Home Energy magazine provides objective and practical information on residential energy conservation.