Osburn $$
3500
The Osburn 3500 wood insert combines power, efficiency and safety. With its amazing features and sober lines that give way to one of the largest glass surfaces in its category, this insert will blend perfectly with the architecture of your...
Osburn
3500As shown
Configure, Price & Visualize
Verified Estimate answers a few fit questions so the price uses the exact vent kit and install add-ons the space needs. The most accurate number.
Quick Estimate uses the simplest vent kit and a baseline install. A fast starting number, no questions.
Visualizer shows this unit rendered in a photo of the room before anything is decided.
Product Configuration
The unit, the venting it needs, and installation by our own in-house crew—priced right on this page.
This one prices person-to-person — stop by the showroom or send us your measurements, and we’ll work out the exact build and write your estimate.
Available at our Richland Center showroom · SKU OB03510
Basic Product Info
Full specifications hang on the tag in the showroom—and the estimate flow confirms fit for your space either way.
More Product Info
The Osburn 3500 wood insert combines power, efficiency and safety. With its amazing features and sober lines that give way to one of the largest glass surfaces in its category, this insert will blend perfectly with the architecture of your home. Its flawless design reveals all the Canadian know-how in terms of alternative heating and will quickly become the house favorite. No harsh winter can resist it! Because each house is unique, choose the door overlay, the faceplate and the trims that suit you! • Fuel type : Dry cordwood (16" recommended) • Recommended heating area-ft² : () 1,000 - 2,700 • Overall firebox volume-ft³ : 3.5 • EPA loading volume-ft³ : 2.84 • Maximum burn time : () 10 h • Maximum heat output-dry cordwood : (2) 110,000 BTU/h (32.2 kW) • Overall heat output rate < : (2) (3) 18,100 BTU/h (5.3 kW) to 49,500 BTU/h (14.5 kW) • Average overall efficiency (dry cordwood) : (3) 71 % (HHV) (4) 76 % (LHV) (5) • Optimum overall efficiency : (6) (7) 77 % • Optimum heat transfer efficiency : (8) 76 % • Average particulate emissions rate : (9) 1.32 g/h • Average CO : (10) 92 g/h
Manuals & Spec Sheets
Documentation for this model is available at the showroom.
Common Product Questions
Can I get an instant online estimate for the 3500 in Richland Center, WI?
Yes. Center Stove & Fireplace prices the 3500 right on this page—the unit, the venting it needs, and installation by our own in-house crew—in about two minutes, free and with no obligation.
What does the estimate include—just the unit?
Everything it takes to get it burning: the 3500 itself, the venting it needs, and installation by our own crew. We confirm the details at an in-home or showroom appointment before anything is ordered.
Is the online price real, or just a rough guess?
It’s a real, configured estimate from the live catalog—not a vague range. Choose your options above and the number follows that exact build.
Who installs and services the 3500?
Our own team. Center Stove & Fireplace started as a service business in 1991, and 35 years later we still handle everything in-house—we don’t subcontract a single install or service call. We sell it, we install it, and we’re the ones you call when it needs work two winters from now.
Shop the series, not just the model
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A near-miss on size or budget usually has a cousin that fits—ask the showroom team.
Browse All Wood InsertsLike the 3500?
Get an instant estimate right above, or stop by our Richland Center showroom to see it in person. Our in-house team handles installation start to finish.