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Definition of Active solar

Active solar Definition from Science & Technology Dictionaries & Glossaries
EIA Energy Glossary
As an energy source, energy from the sun collected and stored using mechanical pumps or fans to circulate heat-laden fluids or air between solar collectors and a building.
Source: Energy Information Administration, 2006
Active solar Definition from Encyclopedia Dictionaries & Glossaries
English Wikipedia - The Free Encyclopedia
Solar hot water systems use pumps or fans to circulate fluid (often a mixture of water and glycol to prevent freezing during winter periods) or air, through solar collectors, and are therefore classified under active solar technology.

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