Green Options

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Author’s note: the following article on home heating is the third in an eight-part series. This article addresses climate conditions found in the San Francisco Bay Area, but may have applicability elsewhere.

Forced air systems are the most common heating systems in California and are used in most new construction elsewhere. They have two big advantages: they are cheap to install, and they provide heat at a moment’s notice. Having “instant-on” heat is vital for intermittent use spaces like ski cabins. Otherwise, forced air is the least energy efficient and least comfortable way of heating a typical home. Why?

Ventilation and Heat Loss

For the health and well-being of its occupants, a home must exhaust stale air and refresh it with new air drawn from outdoors. Forced air systems heat and blow this air, via ducts, throughout your house. Since new air is continually entering and leaving, you are heating the outdoors.

Want to improve the indoor air quality in your home or office? Get a houseplant.

Plants can absorb air pollutants and can alleviate some "sick building syndrome" symptoms such as headaches and eye, nose or throat irritation which may be caused by inadequate ventilation, chemical contaminants (ie. VOCs, carbon monoxide) or biological contaminants (ie. mold, pollen).

You don't have to overdo it. One plant for every 10

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