Cansolair Inc. has developed a forced convection solar heating unit called the Model RA 240 SOLAR MAX. A dwelling of 1000 square feet can have a complete air change in 1.5 hours. Working experience indicates that comfortable room temperature can be maintained in a 1000 square foot dwelling with 15 minutes of sunlight per hour.

Suntech Power cells are sold for residential, commercial, industrial and public-utility use in China, Europe and the U.S. The company says it has increased its manufacturing capacity 12 times in about three years, and that its cells are more efficient than some of its competitors." Model STP175S-24 Watts 175 Size 62.2" x 31.8" x 1.38" Weight 34.1 lbs.