DIY outdoor hot air wood furnace

   / DIY outdoor hot air wood furnace #1  

davedj1

Veteran Member
Joined
Apr 30, 2011
Messages
1,224
Location
Jackson, NY
Tractor
Kubota L2501
Some of you may remember about 5 years ago or so I built an outside wood burner to heat my garage, it worked so well it ended up on my house and the two are not connected. I didn't actually build the burner part, more like I re purposed it. It wa a Fawcette hot air wood furnace, they are built north of the border :) Good company from what I have seen. It has a door about 12" x 12" and a round firebox that is about 18" across and 38" deep, it has a little electric motor that opens the draft when the thermostat calls for heat. In both units I re purposed blowers from oil fired hot air furnaces.
The one at the house works so well that I wanted another for the garage, I searched craigslist and the book of faces pages until the exact same unit appear'd about 45 minutes from me :) I gladly paid their price and loaded it in my dump trailer.
It has been sitting partially done for a couple of years. After worrying about my barrel stove set up in the garage I decided I needed the space and the peace of mind of having the fire outside.
This is the basic unit, this picture is of the earlier version
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The second one is of the same basic design, it works so why mess with it? :)
This was when it was still on the garage.
Here is the new version, all made with scrap roofing my brother and I had, I did buy the steel studs , I found a partial roll of insulation and my brother gave me a partial roll.
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I haven't gotten around to make the door for it yet.
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The new one is working great, I did have to buy a new low voltage transformer to run the motor for the damper though. It was windy and a mere 35 degrees today and the shop was toasty, I still have to run the t-stat wire.
Any questions feel free to ask.
 
   / DIY outdoor hot air wood furnace #2  
very interesting, i want to add a wood furnace to my machineshop ( small building, only 20' x 40') for those cold winter days, when the oil furnace really drives me nuts, but haven't wanted to build on just for room for the furnace.... i may have to try this
 

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