My Real Estate Blog

November 10th, 2010 8:10 AM
Passive solar homes harness the power of the sun but they don't require any fancy photovoltaic panels, inverters, or batteries. They're designed to collect, store, and distribute solar energy. They do this through 1) strategically placed south-facing windows, 2) absorbers, 3) the use of thermal mass, 4) proper distribution of heat, and of course 5) controlling the amount of sun and heat that actually enters the home.

1)  By having lots of windows facing south, you are enabling your home to capture optimal solar heat.

2)  Once the heat is captured, it must be absorbed. Brick walls or slab floors covered in tile (an exposed surface) work their magic by absorbing the natural energy.

3)  Then "thermal mass" is what stores the energy. These are the materials below the surface.

4)  Next, the solar heat must be distributed to other areas of the home. Many homeowners choose to use ductwork, vents, and fans.

5)  And finally, the home must work to minimize heat during the super hot summer months. This can be done through awnings, fans, and shades.

How passive solar works may not be important to you, but the savings you'll see in your electric bill will be.

Posted by Jim McCowan on November 10th, 2010 8:10 AMPost a Comment (0)
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