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US Stove Wood Furnace, 2,750 sq. ft. EPA Certified with Dual 550 CFM Blowers

SKU # 118270299
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Revolutionary design and unparalleled performance make this wood furnace one of the cleanest on the market. It is EPA certified to the latest standards for clean emisisons. The large feed door makes loading a breeze, while the large glass window makes it easy to see when to load wood. The large ash drawer makes cleanups easy. This furnace somes with dual heat outlets and two 550 CFM blowers for redundant performance. A wood burning furnace is cheaper to operate than traditional oil furnaces, allowing it to pay for itself in savings each year.

  • Dual heat outlets and two 550 CFM blowers for redundant performance
  • EPA Certified to B415.11 Emissions Certification
  • Thermostat hookup capable
  • Adjustable intake
  • Up to 24 in. log length
  • 13.5 in. x 9.5 in. feed opening
  • Up to 140,000 BTU output

Specification Description
Brand: US Stove
Blower: Yes
Product Type: Wood Furnaces
BTUs: 140000
Power Type: Wood
Log Size: 22 in.
Product Height: 38-1/4 in.
Warranty: 3-Year Limited
Area Covered: 2,750 sq. ft.
Product Length: 40-3/4 in.
Product Width: 26-1/5 in.
Manufacturer Part Number CF700M
US Stove Wood Furnace, 2,750 sq. ft. EPA Certified with Dual 550 CFM Blowers is rated 3.0 out of 5 by 4.
Rated 2 out of 5 by from Not even close to its claims Bought this in 2016. Manufacturer claims ''Up to 140000 BTUs and 8- 10 hr burn time. Neither of which are even close. These furnaces are now ''EPA'' certified. What that means is they inject so much air through numerous ports including rows of tubes above the wood to re-burn all the pollutants. They also do not want you to add a flue damper on the output side of the flue. In addition, to keep the heat high in the fire chamber, they insulate the box with full fire brick lining AND insulation behind them. Internally between the firebox and the outside cabinet there's an air deflector as well. All these items do is create a hot fire inside to burn pollutants while not allowing that heat to be disbursed via the blowers. The average run time is more like 1.5 to 2 hours. I found the government EPA website that tests all these furnaces and they found it puts out around 62000 BTU - less than half the claimed 140K (which is why they write ''Up to''). I took out the upper half of brick, fabbed plates to slow the air intake and added a damper to the stack. This increase burn time but hampers output and stack temps. The only reason I bought this instead of a Hot Blast was for the glass window in the door. Thank the government for fixing what isn't broke by doing what they always do - making everything they touch much less efficient.
Date published: 2018-11-04
Rated 4 out of 5 by from Took a gamble Do hard to buy something as important as this without seeing it first. Not many reviews to read either. I had a ‘hot blast’ style wood furnace from the 80’s. This new stove is very different. I love the glass door (it never gets dirty!) but I miss the shaker grate. I will certainly be burning a lot less wood with this one. Would have given it 5stars but the cleanout door above the glass door was not centered and I had to do a little grinding to get it to fit tight. The thermodisc switch for the blower I want to come on at a lower temp so it will cycle less. Overall I’m pleased with the gamble I took on this unit.
Date published: 2018-11-01
Rated 1 out of 5 by from Junk Terribly disappointed. Heats my basement to 104 degrees but not through rest of the house blowers don't move the air. Insufficient amount of air movement with blowers provided... fire box over heats
Date published: 2017-01-12
Rated 5 out of 5 by from Great so far. Switched this for a Hotblast, and itI has gone through 6 fires. The other reviewer is correct, there is only a louvre, no thermostat like the Hotblast has. I put a thermometer on the exhaust stove pipe, and it didn't get very far into the run mode, so it controls the cold air draft fine. To meet EPA standards, you can't choke down on the fire (like on the Hotblast) as it will get too cool for a sufficient burn (it does not have a catalytic converter) When I first burned it with just the fans on the back, the thermodisk kept cycling on and off. I called tech support and they said the cold air coming into the fans causes the cycling. They further stated that the back of the stove needs to be enclosed so it pulls heat off the stove, not cold air off the floor. There is nothing discussed about this in the user manual. I welded up a frame with a 20X24 furnace filter and enclosed the back and top, so it draws hot air into the fans and it works great. It also sends much hotter air through the plenum than the Hotblast did. It also sends much less into the room where the wood furnace is located. It also is using about half the amount of wood for an equivalent burn.
Date published: 2017-01-10
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Is it required to hook up with duct work or can it be used as a wood stove on its own

Asked by: Kchills
You are required to put duct work with this unit.
Answered by: USStoveExpert
Date published: 2017-01-14

What size is the chimney, 6"?

Asked by: Stevenski
Yes, it is 6".
Answered by: USStoveExpert
Date published: 2016-09-21

Are there recommended installers, or is this only do it yourself?

Asked by: SQIAM
It is recommended that you have in professionally installed. Usually you can find an HVAC installer that will do this. You can also call local chimney cleaners and some install and some know who in your area do. There is no area specific list. Thank you.
Answered by: USStoveExpert
Date published: 2016-10-04

height to top of exhaust flange and size

Asked by: MR jackleg
The exhaust flange is designed for a 6 inch flue. The top of the flue is 33 /8 inches from the floor.
Answered by: USStoveExpert
Date published: 2018-11-01

Can this unit be setup in a building outside?

Asked by: Bozo13
Sure. So long as it is not out in the weather elements you should be fine. We have lots of customers that install these in barns and workshops. One thing though, if you are heating a house and this is installed in as you are asking, it is extremely important for you to install the cold air return from your living space. These furnaces will heat the air flowing into them approximately 40°-60° so if it is pulling in freezing cold air from outside the living space, it will not be warm enough and will have to work harder to keep you warm.
Answered by: USStoveExpert
Date published: 2018-11-09

What kind of grates does it have?

Asked by: dave35
This does not use a grate. The firebox is lined with bricks.
Answered by: USStoveExpert
Date published: 2018-10-08

What is required for the return air

Asked by: RubyBegonia
The return air must be equivalent or greater than the size of the plenum.
Answered by: USStoveExpert
Date published: 2016-09-15

What is the burn time on average

Asked by: Cantin tr
Average burn time for a full load on these furnaces is roughly 7-8 hours. There are a number of factors that go into determining exactly how long you will get out of a load but 7-8 hours is about average.
Answered by: USStoveExpert
Date published: 2018-10-08
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