Osburn 3500 Wood Stove with Blower (OB03500)
Powerful, Efficient Heating for Large Homes
The Osburn 3500 Wood Stove with Blower is engineered for homeowners who demand reliable warmth, long burn times, and high efficiency, even during the harshest winters. Designed to heat spaces from 1,000 to 2,700 sq. ft., this EPA 2020-certified stove combines non-catalytic combustion technology with low emissions under 2.0 g/h, providing eco-friendly performance without sacrificing comfort.
High Heat Output & Long Burn Time
With a 3.5 ft³ firebox that holds up to 50 lb of cordwood, the Osburn 3500 delivers up to 110,000 BTU/h and burn times of up to 10 hours. Its ceramic glass door allows a clear view of the fire while distributing heat efficiently. The included 130 CFM blower, thermodisc, and airmate ensure optimal circulation, keeping your home evenly warm.
Durable, Safe, and Versatile
Constructed with heavy-duty steel and lined with refractory bricks, this stove maximizes heat retention and longevity. It is approved for alcove and mobile home installations when paired with a fresh air intake. The Osburn 3500 meets UL, ULC, and CSA safety standards, providing peace of mind alongside powerful performance.
Optional Accessories
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Fire screen
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Door overlay
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Glass ash lip
Federal Tax Credit Eligible
Purchasing the Osburn 3500 may qualify you for a federal tax credit of up to 26% of the equipment and installation cost, making it a smart, energy-efficient investment.
Key Features at a Glance
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Burn Time: Up to 10 hours
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Firebox Volume: 3.5 ft³
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Maximum Log Length: 22″
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Maximum Heat Output: 110,000 BTU/h
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Efficiency: Up to 77%
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EPA Certified: Yes, 2020
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Blower Included: 130 CFM
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Clearances: Back 13″, Side 14″, Corner 7″
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Warranty: Limited lifetime
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Made For: Residential, alcove, and mobile home installations
Technical Specifications
| Specification | Details |
|---|---|
| Fuel Type | Dry cordwood (16″ recommended) |
| Heating Area | 1,000–2,700 sq. ft. |
| Firebox Volume | 3.5 ft³ |
| Max Burn Time | 10 h |
| Max Heat Output | 110,000 BTU/h |
| Overall Efficiency | 71% HHV / 76% LHV |
| Optimum Efficiency | 77% |
| Average Particulate Emissions | 1.32 g/h |
| Chimney Diameter | 6″ |
| Minimum Chimney Height | 15 ft |
| Stove Weight | 524 lb |
| Overall Dimensions (H×W×D) | 34 3/4″ × 28 7/8″ × 33 1/2″ |
| Door Type | Single, glass with cast iron frame |
| Glass Surface | 18 7/8″ × 11 3/4″ |
| Safety Standards | UL, ULC, CSA |
| Combustion Tech | Non-catalytic, secondary-air system |
| Installation | Alcove & mobile home approved |
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