Osburn
Osburn Horizon Fireplace OB04010
Osburn Horizon Fireplace OB04010
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The Osburn Horizon Wood Fireplace (OB04010) is a high-performance built-in wood fireplace designed to heat spaces from 1,000 to 2,800 square feet. EPA 2020 approved, this zero-clearance fireplace delivers up to 95,000 BTUs of heat with long burn times and clean-burning performance.
With its massive 4.28 cu. ft. firebox, large glass viewing area, and durable construction, the Osburn Horizon Wood Fireplace is ideal for large homes and open-concept spaces. Its non-catalytic combustion system and advanced air control provide consistent heat output while maintaining low emissions and efficient operation.
Key Features: Non-catalytic combustion, heats 1,000–2,800 sq ft, accepts up to 25" logs, up to 95,000 BTUs, up to 70% efficiency, 4.28 cu. ft. firebox, and extended burn time up to 11 hours.
Appliance Performance
| Fuel type: | Dry cordwood |
| Heating area: | 1,000 - 2,800 sq ft |
| Firebox volume: | 4.28 cu ft |
| Burn time: | Up to 11 hours |
| Maximum heat output: | 95,000 BTU/h |
| Efficiency: | Up to 70% |
| Emissions: | 1.6 g/h |
General Features
| Combustion | Non-catalytic |
| Log length | Up to 25" |
| Chimney diameter | 8" |
| Blower | Included (up to 176 CFM) |
| Installation | Zero-clearance (built-in fireplace) |
| Firebox capacity | Holds up to ~60 lbs of wood |
| Warranty | Limited lifetime |
