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3500 Wood Insert

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!

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Osburn | 3500 Insert productAvi

24 3/4”

30 3/8”

    Weight :

    540 lbs

    Width :

    30 3/8”

    Depth :

    29”

    Height :

    25 3/4”

    Fuel type :

    Dry cordwood

    Recommended heating area-ft² :

    1,000 - 2,700

    Overall firebox volume :

    3.5

    EPA loading volume-ft³ :

    2.84

    Flue Pipe Diameter :

    6”

    Maximum burn time :

    10 h

    Maximum heat output (dry cordwood) :

    110,000 BTU/h (32.2 kW)

    Overall heat output rate < :

    18,100 BTU/h (5.3 kW) to 49,500 BTU/h (14.5 kW)

    Average overall efficiency (EPA cribs/Douglas fir) :

    N.A

    Average overall efficiency (dry cordwood) :

    71% (HHV) / 76% (LHV)

    Optimum efficiency :

    77 %

    Average particulate emissions rate :

    1.32 g/h

    Average CO :

    92 g/h

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I’ve had my hot tub almost a month and I’m in heaven! I purchased the 3 person because I’m single. I use it 4-5 times a week and have hosted a few hot tub Wednesday’s with close friends. My friends love it too. We haven’t been to the pool since … Read More

Cynthia - Lees Summit, MO

We were looking to update/upgrade our older hot tub and decided to go with the Stride from Hot Springs. We didn’t need a big tub and the Stride met all our needs. It’s been a great little hot tub.

Spang - Santa Cruz, CA

I have had 4 major back surgeries. After the last one a year and a half ago, I was still having problems standing straight up and walking long distances. My Dr wrote a prescription suggesting that I get a spa for water therapy. It took a while to get it … Read More

Wade - Banning, CA

Loved the smaller size for just me. The jets are powerful and in all the right places. The design is beautiful, modern and efficient. The installation team at Artesian Pools and Spas in Bloomsburg Pa were most helpful and professional. I have had other spas but this one is my … Read More

Trumpy - Danville, PA

Isaac Arroyo exceeded my every expectation! His product knowledge, expertise, and professionalism are to be commended.

Griff - Bend, OR