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US Stove Company Outdoor Furnace 3,000 Sq. Ft. 1600EF

SKU: 3340050  |




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US Stove Company Outdoor Furnace 3,000 Sq. Ft. 1600EF

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The outdoor furnace has become popular among rural housing in recent years. This outdoor furnace is designed to provide efficient heat as a supplement or a main source, while keeping the mess of heating with wood or coal in the great outdoors. The outdoor furnace is made to be installed using the existing HVAC ductwork and can heat a home up to 3000 square feet. The unit does require return air, has a 6" flue collar and a large 1800 CFM blower. The ash pan is removable, and is located in a separate ash door. The damper is manually run, so it can be set to your preference, and the outdoor furnace can burn wood or coal. The outdoor furnace is weather sealed and powder coated for durability. The doors, grates and liners are all extra heavy duty cast iron and the firebox is firebrick lined for greater efficiency. The chimney adapter kit is sold separately.


  • Efficiency on the 1600EF is 72%
  • Installation materials are NOT included (i.e. floor protector, chimney connector, thimble, radiation shield, flue, heat duct, return air duct, etc.)
  • Massive 1,800 CFM blower
  • 6" flue collar
  • 10" diameter heat outlet
  • Return air required
  • Firebrick lined firebox to boost efficiency and heating capacity
  • Separate ash door with removable dump pan
  • Extra heavy duty cast-iron doors, grates, and liners
  • Secondary heat exchanger with firebrick baffle for extra long live
  • Manual damper system allows fine tuning for maximum efficiency
  • Chimney adapter kit sold separately
  • Removable/replaceable shaker grates (handle included)
  • 7.1 Cubic Feet Firebox
  • Durable painted exterior
  • Not approved for use in mobile or modular homes
  • Not available for sale in WA and CA
  • Warranty is 1 Year on Electrical Components (blowers, etc.)
  • Warranty 3 Years on the Firebox

Fuel - Wood/Coal
Heating Capacity - 2,000-3,000 Sq. Ft.
Coal Capacity - 160 lbs.
Log Length - 28"
BTU Range - 67,000-180,000
Depth w/ blower - 65"
Depth w/o blower - 47.5"
Width - 29"
Height - 56"
weight - 835 lbs.

SKU 3340050
Model 1600EF
Weight 835.0000
Color No
size No
Width No
In Store Only No
Price $2,399.99
Rural King provides a defect or damage warranty within 30 days of receipt. All Manufacturing Return Policies Supersede Rural King's Return Policy.
Product Manual

Customer Reviews

Working very well Review by Adam

Bought this outdoor furnace in Nov 2014. Hooked it up to the existing ductwork that the packaged heat pump used. As one reviewer pointed out there is some air leaks around the blower enclosure but was very easily remedied by some silicone caulk. There doesn't seem to be much speed difference between low-med-high on the fan but I've left mine on high and all vents inside have adequate air flow. The two dampers took a bit of learning to get down but have it working well now. It very much depends on the dryness of wood or fuel you use, coal should be more consistent and easier to get the dampers set how you need them. I added a $5 cast iron damper in the flue pipe just to have another regulation point for the draft. Depending on how much and how dry the wood I use is this furnace can blow 130F air out the vents easily. I can add 4 or 5 decent size seasoned logs and it last all night (8-9 hours) and still have a bed of coals in the morning. Thermostat works well and is a very basic mercury based setup, nothing to really break, it opens damper when the house calls for heat and once it reaches set point it closes. Feel free to send over any questions, I'm no expert by any means but will do my best to answer based on my setup and experience - polshrk (at) gmail (dot) com

(Posted on 2/11/2015)

great product Review by woodman

This is our 3rd year using this stove as our only heat source. Has worked great. Lots and lots of heat. Never any issues.

(Posted on 12/23/2014)

poor extermely Review by Mary in Indiana

this stove has been a problem since we brought it home missing draft cover and screw leaked heat all around every screw in the outside cover and around the door, and now the themostat had gone out will replace asap the whole thing is gone come spring the temps tonight are in the low teens and this stove is our primary heating source

(Posted on 11/18/2014)

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Product Questions

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How long will it burn for on a load of wood?
what is the thickness of the firebox?
Why can this product not be used outside of modular homes with a basement?
How far does it have to be from any buildings ?
Could you put this inside a building
What are the power requirements for this unit? 240v or 120v and how many watts?
where is stove made