Solid Fuel Burning Device Installation Rules
Inside the Missoula Air Stagnation Zone - Pellet Stoves
Since October 1, 1994, only approved pellet stoves may be installed inside the Missoula Air Stagnation Zone (Air Stagnation Zone as a .jpg). Approved pellet stoves have maximum emissions of 1 gram particulate per hour when tested by the approved testing method.
To install a pellet stove inside the Missoula Air Stagnation Zone, first obtain a permit at the Missoula City-County Health Department located at 301 W. Alder Street (top floor).
Missoula County Outside the Missoula Air Stagnation Zone
Since May 14, 2010, devices that can be installed in the county (Swan River Drainage of Northern Missoula County not affected by installation rules) and outside the Missoula Air Stagnation Zone are limited to:
* EPA Certified Stoves.
* EPA Phase 2 Hydronic Heaters with average emissions of 7.5 grams per hour or less.
* Devices approved by the Missoula City-County Health Department with average emissions of 7.5 grams per hour or less.
* Devices approved by the Missoula City-County Health Department with a heat input capacity between 250,000 and 1,000,000 BTU/hr that have emissions at or less than 0.9 grams per 10,000 BTU/hr heat input.
Please install the cleanest burning device available that will provide the amount of heat you require. In the lists linked to below you will find several devices that qualify for installation in Missoula County. To install a device in Missoula County you will need to start with a permit from the Missoula City-County Health Department, 301 W. Alder Street, top floor. Mechanical permit from County Building Department will also be required.
Solid Fuel Burning Devices Approved for Installation in County Outside Missoula Air Stagnation Zone:
- List of EPA Certified Stoves
- List of EPA Certified Cleaner Hydronic Heaters - Note that only Phase 2 Heaters with annual average emissions of 7.5 grams per hour or less from this list may be installed in Missoula County.
- Other Solid Fuel Burning Devices Approved for Installation in County
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