The Osburn 1700 Wood Insert (OB01705) is a high-efficiency fireplace insert designed to heat spaces from 500 to 1,800 square feet. EPA 2020 approved and built for installation into a masonry fireplace, this wood insert delivers up to 65,000 BTUs of heat with strong overall efficiency and clean-burning performance.
With its compact design, cast iron door, and large viewing area, the Osburn 1700 Wood Insert offers reliable heat output while fitting easily into most existing fireplaces. Its durable construction includes high-density firebricks and a stainless steel heat shield, ensuring long-lasting performance and consistent warmth throughout the heating season.
Key Features: Non-catalytic combustion, heats 500–1,800 sq ft, accepts 16–18" logs, up to 65,000 BTUs, up to 78% efficiency, durable firebrick-lined firebox, and included blower.
Appliance Performance
Fuel type:
Dry cordwood
Heating area:
500 - 1,800 sq ft
Maximum heat output:
65,000 BTU/h
Burn time:
Up to 6 hours
Efficiency:
Up to 78%
Emissions:
1.26 g/h
General Features
Combustion
Non-catalytic
Log length
16–18"
Chimney diameter
6"
Blower
Included (variable speed)
Construction
Firebrick-lined with stainless steel heat shield
Warranty
Limited lifetime
Installation: Must be installed into a masonry fireplace.
