Science

I need to know what are active and solar heating systems.


Here are a couple of sites that may be of use to you.
(Broken Link Removed)
http://www.eere.energy.gov/buildings/info/design/integratedbuilding/activesolar/activeheating.html


active heatin is heat that is transferd activley and soler heating is heat that is transferd by soler energy.

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