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Osburn: 3500 (with Fan System)

Specifically designed to face the rigor of winter, the Osburn 3500 is an essential for any spacious home, especially in harsh weather conditions. Despite its emissions below 2.0 g/h, this wood stove utilizes a user-friendly, non-catalytic technology as well as a significant reduction of fuel consumption. The unit features a firebox that can hold up to 50 lb of cordwood, as well as a blower, a thermodisc and an airmate for optimal heat distribution and unparalleled comfort.

A choice of door overlay, a fire screen, a glass ash lip are available as options.

• 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) 18,200 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

Stove Body *

Available Accessories

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Important: Product Availability by Location

Not all fireplace and stove brands are available at both our Butte and Helena locations. Each showroom carries different manufacturer lines and inventory based on local partnerships and customer demand.


To ensure we have the exact fireplace or stove you’re looking for in stock, please call ahead or mention your preferred location when requesting an estimate. Our team will let you know immediately if your selected product is available at your nearest showroom.

Locations

We’re here to help! If your preferred product isn’t available at your closest location, we’ll work with you to find the best solution—whether that’s special ordering, transferring inventory, or recommending a comparable model that meets your heating needs.