How to Heat Homes with Passive Solar Heaters and Solar Attic Fans

Solar can also be used to heat a shed, cabin or home with no electricity by building a passive solar furnace heater, which is very similar to building a solar hot water heater except that you’ll be heating air inside a black box with a window and using aluminum/tin cans, copper tubing, rocks or sheets of tin roofing that are painted black to absorb heat.

As hot air rises it will flow from the heated box into a colder structure at the top of the room while sucking in colder air at the bottom of the using a Trombe Wall vacuum air pattern. To improve circulation, you can add a solar attic fan that will air circulation dramatically.

How to Heat Homes with Passive Solar Heaters and Solar Attic Fans

• How to Build an Off-Grid Passive Solar Window Heater
• How to Build a Trombe Wall Passive Solar Heater
• Solar Window Box Heater for Heating Up Cabins

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