General

California Energy Commision - Free energy professionals training videos ranging from SIPS to HVAC to Insulation

Energy Federation Incorporated - Through the distribution of resource conserving products and the provision of objective, accurate information, EFI strives to assist people in their efforts to use energy and water efficiently.

Home Energy Magazine - A cutting edge nonprofit publication that disseminates objective and practical information on residential energy efficiency, performance, comfort and affordability.

Top Ten Ways to Save Energy - List compiled by the WNCGBC of the top ten easy and inexpensive ways to save energy in your home or apartment

Appliances

American Council for an Energy-Efficient Economy - Nonprofit dedicated to advancing energy efficiency as a means of promoting economic prosperity and environmental protection.

Energy Star Appliances - Information on appliances that have earned the Energy Star

Insulation

North American Insulation Manufacturers Association - NAIMA is a trade association of North American manufacturers of fiber glass, rock wool and slag wool insulation products.

US DOE Energy Efficiency & Renewable Energy - Detailed information on insulation needs, selecting products and installation methods

Lighting

Greenseal's Choose Green Report on CFL's - A great fact sheet on the science, cost and savings of CFL's

Information on CFLs and Mercury - Fact sheet compiled by Energy Star

National Energy Education Development - Change a Light, Change the World Teacher's Guide

US DOE Energy Efficiency and Renewable Energy - Advanced lighting design and energy code

Windows

Efficient Windows Collaborative - Provides unbiased information on the benefits of energy-efficient windows, descriptions of how they work and recommendations for their selection and use