Mono County has installed and opened a commercial-scale air curtain burner at Pumice Valley Landfill. Officials marked the opening with an August 13, 2026, ribbon-cutting and public tour. An air curtain burner uses high-temperature combustion and forced airflow to burn woody debris while recirculating smoke and particles. The permanently stationed unit will handle vegetation from wildfire mitigation, defensible-space work, and other land-management activities.
Table of Contents
- What will the burner process?
- How was the project funded?
- What changes for residents?
- Why use an air curtain burner?
- What remains unproven?
What will the burner process?
The burner is designed for woody vegetation and green waste collected through fuel-reduction work. that includes material removed to create defensible space around buildings or reduce wildfire hazards on managed land. Residents are among the immediate intended beneficiaries.
Mono county says green material brought to existing and future county fire-safe cleanup events will be processed at the landfill through the new system. The county describes the unit as commercial scale. It projects that the equipment can eliminate 3 to 5 tons of green waste and hazardous fuels each hour through low-emission, high-temperature combustion, according to Mono County's August 13 announcement.
How was the project funded?
CAL FIRE awarded Mono County $443,736.96 for the "Mono County Fuel Reduction Burner" project. The grant covered the purchase of an air curtain burner and an expansion of the county's hazardous-fuel removal capacity.
The project also responds to waste-disposal pressure. CAL FIRE's 2025–26 wildfire-prevention grant recipient list identifies constrained landfill capacity following the 2023 closure of the county's main landfill as a problem the burner should help address.
What changes for residents?
Residents participating in county fire-safe cleanup events now have a disposal route connected to on-site processing. Instead of taking up substantial landfill space, accepted green material can become burner feedstock. The available information ties this benefit specifically to county cleanup events.
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It does not establish that residents may bring material to Pumice Valley Landfill at any time or that every type of yard waste qualifies. Before hauling material, residents should check the notice for the cleanup event they plan to use. They should confirm:.
- Where and when the event operates
- Which green materials it accepts
- Whether size, quantity, or preparation rules apply
Why use an air curtain burner?
Open pile burning releases smoke directly as material burns. Mono County says the air-curtain design instead traps smoke and particulates and sends them back through the high-temperature combustion zone for reburning. The county expects this process to reduce air-quality impacts compared with open pile burning.
It also keeps bulky vegetation from consuming limited landfill capacity, as explained in the county's project description. Those benefits could support both wildfire preparation and waste management. Removing hazardous vegetation gives residents and land managers a place for fuel-reduction debris, while processing it reduces the volume entering the landfill.
What remains unproven?
The stated processing rate of 3 to 5 tons per hour is a projection, not a published record of sustained operations. Actual throughput may become clearer after the county documents routine use.
The county also makes comparative environmental claims but has not published operating emissions measurements in the cited announcement. Independent, real-world data are therefore not yet available to show how the burner performs under local conditions.
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