New-Model Wood Stoves Burn Cleaner

A freestanding pellet stove, such as the one shown above, costs $3,500 to $4,000.
A freestanding pellet stove, such as the one shown above, costs $3,500 to $4,000. (Associated Press)
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By Camilla McLaughlin
Special to the Associated Press
Saturday, January 17, 2009

During the energy crisis in the 1970s, interest in heating with wood surged, particularly in regions where oil or electricity were primary heat sources.

Ten years later, as clouds of wood smoke hung over many New England towns and Western cities on winter days, wood stoves were considered major polluters, and many people stopped buying them.

But the newest editions burn much cleaner than your grandmother's stove, and that's rekindling consumer interest.

"There is a fundamental difference between new stoves and old stoves and most of the culture doesn't know that," says John Crouch, of the Hearth, Patio and Barbecue Association in Arlington.

According to the association's data, shipments of wood stoves and inserts were up 54 percent, and pellet stoves and inserts up were up 212 percent in the first six months of 2008 over the same period in 2007. Compared with older stoves, Environmental Protection Agency-certified devices are more sophisticated, often using blowers and catalytic converters to reduce the number of particulates released into the air.

Pellet stoves cost $3,500 to $4,000, and there is a $300 tax credit for the purchase of a 75 percent efficient wood or pellet burning stove in 2009.

In Libby, Mont., one of several communities participating in a pilot project sponsored by the EPA and other partners to exchange older stoves for more efficient models, pollution from wood stoves was reduced by 28 percent in 2007, the first year following completion of the change-outs. Indoor air quality improved by 72 percent.

EPA-certified stoves operate at 60 and 80 percent efficiency levels, releasing only 2.7 micrograms of particulates per hour compared with 30 to 50 micrograms per house for pre-1992 stoves. They can burn wood, gas or alternative fuels such as wood pellets. In addition to freestanding models, they can also be inserts into existing fireplaces.


© 2009 The Washington Post Company

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