HERS/EEMS

• Architectural Energy Corporation
• California Energy Commission's Regulations of Home Energy Rating Systems
• Conservation Services Group Energy Star Homes Program
• E3 Energy, Inc.
• EAM Associates
• Energy and Environmental Ratings Alliance
• Energy Efficient Mortgage Home Owner Guide
• Energy Inspectors, A Division of WREDCO
• Energy Wise Mortgage
• EPA ENERGY STAR Energy Efficient Mortgages
• Florida H.E.R.O.
• Guaranteed Watt Savers Systems - West, Inc.
• Guaranteed Watt Saver Systems' Energy Star Homes America
• Home Energy Concepts
• Home First Mortgage Corporation Energy Efficient Mortgage
• Horizon - Residential Energy Services
• Kansas Building Science Institute
• National Conservation Guild’s Energy Efficient Financing Information Center
• National Home Energy Raters Association
• Nevada Energy Efficient Housing Connection
• Northeast Home Energy Rating Systems Alliance
• Texas Home Energy Rating Organization
• UK National Home Energy Rating System

Other

• ACR Solar International, Inc.
• Advanced Construction, Inc.
• Affordable Comfort, Inc.
• Air Conditioning Contractors Association of America
• Alliance to Save Energy
• American Council for an Energy Efficient Economy
• Appliance Standards Awareness Project
• Australian Institute of Energy
• Building America
• Building Codes Assistance Project
• Building Performance Institute
• Buy Energy Efficient Web Site
• CertainTeed Corporation
• Colorado E-Star Program
• Comfort Institute
• Commission on Economic Opportunity of Luzerne County, Pennsylvania Million Solar Roofs Program
• Dallas Zero Energy Home
• Database of State Incentives for Renewable Energy
• D.R. Wastchak, LLC.
• Earth Day
• EcoIQ.com Energy Conservation & Renewables
• EcoMall
• Energy Center of Wisconsin
• Energy Central
• Energy Design Resources
• Energy and Environmental Building Association
• Energy Ideas Clearinghouse
• Energy Systems Laboratory
• EnergyValue Housing Award
• Engineering Services Co.
• EnviroLink Network
• EPA Energy Star Homes Program
• Fischer, Sheehan & Colton Energy/Affordable Housing Library
• Florida Eco-Smart Homes
• Florida Solar Energy Center
• Green Shopping, Inc.
• Guaranteed Watt Savers Systems
• Habitat for Humanity International
• HUD USER
• Infiltech
• Iowa Energy Center
• Lawrence Berkeley Laboratory (LBL)
• MaGrann Associates
• Manufactured Housing Research Alliance
• Midwest Renewable Energy Association
• National Association of State Energy Officials
• National Home Builders Association
• National Conference of State Legislatures
• National Energy Affordability and Accessibility Program’s Data Base on Residential Energy Efficiency Incentive Programs
• National Fenestration Rating Council
• Natural Resources Defense Council
• New York Energy $mart Program
• Northeast Energy Efficiency Partnerships
• Northeast Sustainable Energy Association
• Rocky Mountain Institute
• Solar Energy Industries Association
• Solar Today Magazine
• Southface Energy Institute
• Stitt Energy Systems, Inc.
• Sustainable Building Industry Council
• Sustainable Minnesota Energy Efficiency Resources
• Sustainable Sources
• U.S. Census Bureau’s Housing Construction Statistics
• U.S. Department of Energy Building Energy Codes
• Utility Connection
• Weatherization Managers Association's Weatherization Technical Connection