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Osburn 3500 Wood Stove with Blower

Approx. Heating Area: 1,000 - 2,700 sq. ft.

Max Output: 110,000 BTU/h

Pedestal Available

Starting at $2699


The Osburn 3500 has been noted as the unit to defense the harsh winter months for a spacious home. This Osburn wood stove is user friendly with non-catalytic technology and significantly reduces your fuel consumption compared to older stoves. Not only can you protect yourself against the cold winter months, but you can feel good about your environmental awareness with emissions under 2.0 g/h and optimum efficiency at 77%.

The Osburn 3500 includes a premium blower and is capable of heating up to 2,700 square feet. This wood stove has one of the highest burn times out of all of our stove options at 10 hours and a firebox volume of 3.5 cubic feet. If you are looking for a powerful freestanding wood stove that can keep up with the cold weather, this is the stove you've been looking for.


    • High-efficiency wood stove 2020 EPA approved
    • Recommended heating area : 1,000 - 2,700 square feet
    • Color: Black
    • Maximum log length : 22"
    • Overall firebox volume : 3.5
    • Non-catalytic combustion technology
    • Optimum efficiency : 77%
    • Emissions (grams/hour) : 1.32 g/h
    • Baffle : High heat-resistant C-cast
    • Maximum burn time : 10 hours
    • Firebox lined with refractory bricks for better heat distribution
    • Stainless-steel secondary-air system improving gas combustion
    • Recommended chimney diameter : 6"

Specifications & Manual

Osburn 3500 Wood Stove Manual

Osburn 3500 Wood Stove Dimensions

Osburn 3500 Wood Stove Specifications
Depth - Overall 33 1/2"
Height - Overall 34 3/4"
Width - Overall 28 7/8"
Firebox dimensions (Depth) 20 1/8"
Firebox dimensions (Width) 22 7/8"
Firebox dimensions (Height) 12 7/8"
Type of Fuel Wood
Maximum log length 22"
Log positioning Over width
Recommended Heating Area (sq. ft.) 1,000-2,700
Firebox volume (cu. ft.) 3.5
Door opening dimensions (Width) 19"
Door opening dimensions (Height) 9 7/8"
Type of Door Single, glass with steel frame
Glass Surface 18 7/8" x 11 3/4"
Glass Type Ceramic glass
Weight 524 lb (238 kg)
Recommended chimney diameter 6"
Minimum chimney height (feet) 15'
Minimum floor protection in front of unit 18" CAN/16"USA
Center line of flue outlet to the back 11 1/4"
Center line of flue outlet to the side 14 3/8"
Maximum output - EPA test wood 49,500 BTU/h
Maximum output - seasoned cord wood 110,000 BTU/h
Steel thickness (top) 5/16"
Optimum efficiency 77%
Emissions (grams/hour) 1.32 g/h
Baffle High heat-resistant C-cast
Canadian Standard (emissions) CSA B415.1-10
USA standard (emissions) EPA
Canadian Standard (safety) ULC-S627
USA standard (safety) UL 1482/UL 737
Warranty Limited lifetime

Minimum Clearances to Combustibles

Osburn 3500 Wood Stove Minimum Clearances to Combustibles*
Single Wall Stove Pipe Double Wall Stove Pipe
Clearance - back wall 13" US / 13 1/4" CA 6" US / 6" CA
Clearance - placed in a corner 7 1/4" US / 7 1/4" CA 7" US / 7" CA
Clearance - side wall 14" US / 14" CA 14" US / 14" CA
Clearance – top (measured from the platform on which the appliance is installed)** 84" US / 84" CA 84" US / 84" CA
Clearance - minimum floor protection in front of the fireplace 16" US / 18" CA 16" US / 18" CA
* The information given on the certification label affixed to the appliance always overrides the information published in any other media (owner's manual, catalogues, flyers, magazines and/or web sites).
** Some appliances have been tested with a low ceiling. Before setting up your unit, refer to the installation manual.

Optional Accessory Details

Rigid Firescreen

The Rigid Firescreen allows you to burn wood in the stove with the door open just like an old-time fireplace. Hear the crackle of the wood, watch the flames dance around in the firebox and relax around the wood insert on a cold winter's night. The Rigid Firescreen is easy to install and easy to remove when you are ready to load more wood. The stove should not be burning with the door open without the firescreen.

Fresh Air Intake Kit for Pedestal

A fresh air intake is a great accessory for any stove when available. This will ensure the stove has the proper combustion air to run efficiently. If your home is very air tight, you would need an air intake kit. The kit comes with the intake adapter for the stove, 2 clamps and the hood register for outside. A 5" fresh air pipe is required to complete the job. Fresh Air Intake Kit Manual

Insulated Flex Pipe for Fresh Air Intake Kit

The insulated flexible fresh air intake pipe is the perfect choice for adding fresh air to the stove insert. Measuring 4' in length and 5" diameter, this is the perfect option for the short run. The Fresh Air Intake Kit is required to complete the installation.

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