High Quality Content by WIKIPEDIA articles! Practical Solar, Inc. is an American manufacturer of heliostats used for concentrating solar power, as well as for residential and commercial natural lighting (daylighting) applications. The company, located in Boston, Massachusetts, introduced its heliostat system for sale in February 2009. Practical Solar's heliostats are small in the spectrum of heliostats commercially available for harnessing solar thermal energy. They each have 8 square feet (0.74 meters) of reflector area. To put this in perspective, the heliostats in a solar power tower project in Seville, Spain each have reflectors nearly 1,300 square feet in size (120 square meters). Practical Solar's heliostat system is the first computer-controlled heliostat system that can be installed by hand, using only hand tools. Practical Solar's founder Bruce Rohr suggested in Northeast Sun magazine that small heliostats are “more reliable and more cost-effective per square meter of reflective area” than the larger heliostats typically used in solar power tower projects.

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