What type of solar home heating is available?

What type of solar home heating is available?

2011 International CES Exhibitor Profiles A through K
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What type of solar home heating is available?

Is there anyone offering heating of air by solar? All I read about is water heating..

Sure there is.
Although you are right in that there seems to be far more info on water. The reason is that using water (or some solution) is more efficient at transferring heat. But if you have reasons for wanting air heating the technology is available.

Solar Cans – CBC

Heating For Home

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