A Brief Description Of How Solar Air Heaters Work
Finding the ideal system for your space heating needs depends on your location and room type. Solar air collectors (the devices heating up the air using solar energy) can directly heat individual rooms or can potentially pre-heat the air passing into a heat recovery ventilator or through the air duck of an air-source heat pump. Air collectors can be installed on a roof or an exterior (south facing) wall for heating one or more rooms.
The collector has an airtight and insulated metal frame and a black metal plate for absorbing heat. Solar radiation heats the black panel that, in turn, heats the air in the collector. Solar electrical power blower pulls air from the room through the collector, and blows it back into the room. Roof-mounted collectors require ducts to carry air between the room and the collector. Wall-mounted collectors are placed directly on a south-facing wall, and holes are cut through the wall for the collector air inlet and outlets.
On the wall installation video
On the roof installation video
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