Water heaters

American Council for an Energy-Efficient Economy - Consumer Resources

Energy tips and information about choosing more efficient products.

http://www.aceee.org/consumer/consumer.htm

Relevant categories:

Air Conditioning
Electronics
Cooking
Heating & Cooling
Home Improvement
Household & Cleaning
Lighting & Light Bulbs
Refrigerators
Ventilation
Water heaters

Federal Trade Commission Bureau of Consumer Protection Energy & Environment

Information on energy labeling and energy efficient purchasing.

http://www.ftc.gov/energy/

Relevant categories:

Air Conditioning
Clothes Washers
Dishwashers
Furnaces
Refrigerators
Water heaters

Taiwan GreenMark Program

Site to promote conservation, recycling, and pollution reduction through green purchasing decisions and encouraging green practices by manufacturers.

http://greenmark.epa.gov.tw/english/index.asp

Relevant categories:

Air Cleaners
Appliances
Automotive
Batteries
Office Products & Supplies
Computers
Dehumidifiers
Dishwashers
Fax machines
Fuel, Oils, & Lubricants
Personal Care
Textiles
TVs
Water heaters