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General Information

The Washington State Department of Ecology regulates the types of wood stoves and other wood burning devices allowed for sale, resale, exchange, or that are given away. They must meet federal EPA and Washington certification standards.

In Washington State, selling an uncertified wood stove on its own is illegal. Wood stoves are certified when they are manufactured. A homeowner can not apply to have a wood stove certified.  New or used wood burning devices must meet more stringent Washington state emissions limits to be legally sold, given away, or installed, per state and Spokane Regional Clean Air Agency regulations. Check here to see if your wood stove is EPA-certified.

Buying or selling a home with an uncertified wood stove.  Removing an uncertified wood stove is not required when you are buying or selling a house. However, to help protect air quality, consider using cleaner home heating options, such as electric or natural gas, and recycle uncertified wood stoves.

Wood stove replacement grant funds - To help reduce harmful smoke particles from wood heating in the urban areas of Spokane County, the Spokane Regional Clean Air Agency may have funding through a Wood Smoke Reduction grant from the Washington Department of Ecology to provide incentives to replace non-EPA certified and/or 1995 or older wood stoves and inserts (installed and operational) with new devices. Check here to see if there are current funds available.

Call ahead to recycling facilities recycling facilities listed for scrap metal to be sure they accept wood stoves.  Before recycling, confirm that all ash and debris material is completely doused and extinguished and removed from the stove.  Bag and dispose of the extinguished ash and debris in regular trash.

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Selling, buying or installing a wood heating device? 

New or used wood burning devices must meet more stringent Washington state emissions limits to be legally sold, given away, or installed, per state and local regulations. The Washington State Department of Ecology regulates the types of wood stoves and other wood burning devices allowed for sale, resale, exchange, or that are given away. They must meet federal EPA and Washington certification standards. Stoves must also meet standards for the amount of fine particles coming from the device during testing.  Stoves must also meet standards for the amount of fine particles coming from the device during testing.

Type of Device

Washington PM2.5 Limit EPA     PM2.5 Limit
Catalytic* wood burning device 2.5 grams per hour 4.1 grams per hour
Non-catalytic** wood burning devices 4.5 grams per hour 7.5 grams per hour
Factory-built fireplaces and masonry heaters 7.3 grams per kilogram no limit

*Catalytic devices reduce smoke by using a ceramic element to burn it.
**Non-catalytic devices use other engineering to reduce smoke output.