Installation Zones Map

Explore the map to find out what devices can be installed throughout Missoula County


Inside the Missoula Air Stagnation Zone - Pellet Stoves

Since October 1, 1994, only pellet stoves with particulate emissions at 1 gram per hour or less may be installed inside the Missoula Air Stagnation Zone.  F or the used pellet stove market, check the approved pellet stoves list to find pellet stoves that may be installed inside the Missoula Air Stagnation Zone. 

New pellet stoves, sold at retail outlets, that are legal to install in the Missoula Air Stagnation Zone can be found on the EPA web page.  Pellet stoves on the current List of EPA Certified Wood Stoves that have particulate emissions of 1 gram particulate per hour or less may be installed inside the Missoula Air Stagnation Zone. 

To install a pellet stove inside Missoula City limits, first obtain a permit at the Missoula City-County Health Department.

To install a pellet stove in the county outside city limits, obtain a mechanical permit from the County Building Department.

 

Missoula County Outside the Missoula Air Stagnation Zone*

The only devices that may be installed in the county and outside the are stagnation zone are as follows:

1. Woodstoves and pellet stoves with the EPA emissions certification label. An EPA-certified woodstove or pellet stove can be identified by a readily visible permanent label, affixed to the stove in a location where it can be easily viewed before and after the appliance is installed.

2. Outdoor wood-fired or pellet-fired hydronic heaters that meet the Department's testing and emission requirements or haves been certified to meet the EPA Hydronic Heater Phase 2 Program emission limit of 0.32 pounds per million Btu output and has average emissions of 7.5 grams per hour or less.

3. Devices approved by the Missoula City-County Health Department with average emissions of 7.5 grams per hour or less.

4. 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.


*NOTE that these requirements do not apply to the Swan River Drainage of Northern Missoula County

 


Installation Permits

Inside City Limits

To install a device in Missoula City first obtain a permit from the Missoula City-County Health Department, 301 W. Alder Street, top floor.


Outside City Limits

Outside Missoula City limits, a wood stove/boiler installation requires a mechanical permit from the County Building Department.