HEATKEYS

ENERGY STAR is a government-backed program helping businesses and individuals protect the environment through superior energy efficiency.

Rheem is a leading provider of gas furnaces, heat pumps, air conditioners, air handlers, indoor air quality products, gas and electric water heaters, heat pump water heaters, and home generators. We offer residential and commercial product lines.

Build It Solar will help people with Do It Yourself skills build solar projects that save money and reduce pollution. It is a "hands-on" site with detailed plans for solar projects including solar space heating, water heating, passive sola...

Heliodyne - solar hot water heating systems since 1976. Specializing in solar hot water panels and solar thermal heating for commercial and residential systems.

VELUX Solar Water Heating

Apricus Solar Water Heater Manufacturer of solar water heater, solar hot water, solar hot water heater, solar heating, solar collector, also evacuated tube, heat pipes.

Mother Earth News - The Original Guide to Living Wisely

A. O. Smith produced its first water heater in 1936. Plumbing professionals rely on the large variety of hot water solutions for consumers, worldwide.

HowStuffWorks Science has explanations and colorful illustrations related to earth science, life science, and other wonders of the physical world.

Instructables is the Biggest How To and DIY community where people make and share inspiring, entertaining, and useful projects, recipes, and hacks.

Energy Trust helps Oregon residential, business and public/nonprofit utility ratepayers use less energy, save on energy costs and move to renewable resources.

YouTube is a place to discover, watch, upload and share videos.