HEATKEYS

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

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

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...

Mother Earth News - The Original Guide to Living Wisely

wikiHow is a wiki based collaboration to build the world’s largest, highest quality how to manual. Our multilingual how to manual has free step-by-step instructions on how to do all types of things.

Bplans.com offers free sample business plans, business plan software, business calculators, and articles on writing a business plan, starting a business, and other small business topics.

High Efficiency Water Heaters and Boilers for Commercial and Residential Applications - Heat Transfer Products

Build a solar water heater. Bolt together easy to build diy solar water heater. Limited amount of engineering skills and equipment required.

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

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

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.