Eliminate most or all of your water heating costs with this easy-to-install, passive solar batch collector. Sunlight passes through two tempered glass plates then heats a black chrome-coated storage tank. An insulated cabinet and dual glazing keep the water hot. The heated water then goes into a backup water heater or directly to point of use. Mount on ground or roofno pumps, electricity or moving parts to wear out. Easy to install, just 2 connectionscold water in and hot water out. Best for warm climates, preheating water, summer only in cold places, or when hot water needed only in afternoons & evenings. 40 gallon tank. $50 crating fee. 26" x 36" x 78", 150 lbs. Specify if plumbing is on east or west side when ordering.

The best storage tanks for solar water and space heating systems. Lower pressure drops, higher heat transfer rates, designed for long life and easy installation. Use twin coil versions and combine solar domestic water heating with hot tub, pool or hydronic heating. More expensive but totally worth the difference.

Very popular in Israel, this is the least expensive quality way to heat your water. (You could also just use black plastic pipe but it won't last long and lots of nasties will get into the water.) This special Kitec collection tube is designed for outdoor water heating and has UV inhibitors, an aluminum oxygen barrier and four layers. The 1/2" holds 1.025 gallons per 100' and needs a 6" diameter to make a loop back. The 5/8" holds 1.54 gallons per 100' and takes 8" to make a turn. Black.

This video shows how to plan, purchase, and set up your home photovoltaic system, with tips from some of America's leading experts in the field of home power and renewable energy. 84 minutes.