Most Efficient Wood Stove

Tests show one of our former researchers has assembled one of the most efficient wood stoves on the market.

| March/April 1985

  • efficient wood stove - wood pellets and coin stacks
    An efficient wood stove will save you money in the long run.
    Photo by Fotolia/Jiri Hera

  • efficient wood stove - wood pellets and coin stacks

The most efficient wood stove yet was tested recently by Omni Environmental Services in Portland, Oregon. Designed by former MOTHER EARTH NEWS researcher B.V. Alvarez, the Tech IV by Fisher achieved an overall heating efficiency of 79.5%! The particulate emission rate of Alvarez's fireplace insert amounted to just 2.4 grams per hour, making it one of only seven stoves to qualify for sale in Oregon under that state's particulate emission law. The Tech IV's performance also qualifies it for sale under the more restrictive 1988 standard. The stove is manufactured by Cesco Industries.

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