Do-It-Yourself Solar Heat

The sun's energy can be captured by homemade solar hot-air collectors and thermosiphoning panels to provide free heat. The units direct air warmed by the sun through a window or wall opening into the adjoining room. If you're serious about cutting your home heating bills this winter, one of our inexpensive, do-it-yourself projects will help.

MOTHER's Solar Heat Grabber
Build this simple solar heater that hangs outside of a window and sends free heat from the sun into a room.

Building Plan for the Solar Heat Grabber
You can build a heat grabber from this detailed, large-scale plan.

Building Plan for a Solar Hot-air Collector
This shed-type hot air collector will help heat your house in the winter and offer storage space in the summer.

The Hot-Line Solar Collector
This is similar to a conventional flat-plate solar collector, but what makes Lightfoot's panel unique is that it contains a specially curved reflector which acts to concentrate incoming sunlight on a wedge-shaped absorption tube.

Storm Window Solar Heating Panels
This article details how to use recycled storm windows to make a solar hot-air collector that delivers heat into the home through a vent installed in a south-facing wall or window.