TWO DOORS (one on each end) and 2 ash trays!
It has TWO full-sized furnace fans on it (2020 CFM each), to better heat a large building - with a total of 4 ducts ( 2 supply and 2 return). It has a 69" firebox (almost 6 feet long) that is 3 feet wide and has two firebox doors; one on each end, to better and easier load the furnace. It also has a forced air induced draft fan with automatic dampers on it. to feed oxygen into the fire, from the bottom, like a blacksmith's forge!
It is rated at 205,000 BTU, burning a good hardwood like oak.
Firebox Capacity: 41 cubic feet and is 1/4" thick (as thick as most boilers on the market)
Firebox Dimensions: 69”L x 31.75”W x 31.75”H
That means NO RUST EVER,
NO CHEMICALS,
NO WATER TESTS!
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This furnace has two fans which use two supply ducts and two return ducts, to better heat large buildings.
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Hyprotherm has an on-site warranty, unlike 85% of the manufacturers. Wherever you live, be it the US, Canada, UK or Europe, we will send someone to your location to repair your furnace if anything major* happens,
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SIMPLE TOO! The only things needed are a thermostat wire, a 110V power wire and inexpensive 12" round ductwork.
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$10,697
Up to 10,700 sq. ft,
TWO loading doors to load the wood easier,
with 2 pull-out ash trays,
TWO 2020 CFM full-sized blowers,
75 CFM forced-air induction blower
with solenoid activated damper
pre-wired,
almost 6 foot firebox,
= more wood capacity
which means less loading!
Thermowind Model FLFA-4000
NOT permitted in Washington state.
This is NOT a boiler and most laws speak about Outdoor Wood Boilers. So that MIGHT be your loophole.
Please check with YOUR state, county and town before buying because some states, counties and towns have their own state EPA or other laws!
Tell them that you want to install an outdoor hot air, waterless wood furnace.
If that is a no-go, ask about a COAL furnace, which is virtually the same and will burn wood even better because it has the 75 CFM forced-air induction blower feeding oxygen from the back, up through the grates, just like a Blacksmith's forge; giving you a super hot fire that will burn anything!
See the comparison between the
Wadena / Hopsco Forced Air Furnace vs
Hyprotherm Forced Air Furnace BELOW
FORCED AIR, HOT AIR WOOD Furnace and Kiln Heater
Perfect for a kiln because it has TWO huge 2020 CFM blowers, that are needed to better dry your wood!
The Army Corp of Engineers used this model of furnace to heat their big warehouse in the Midwest. They ran two supply ducts into the building, with one going to the left and one going to the right, to the ends of the building. They put the returns in the center of the building (length wise) to give the best air circulation; drawing the hot air back to the center of the building to be reheated.
Although there are two supply and two return ducts, this design is intended for one building because there is only one controller on this furnace. If you want to heat a second building with a separate thermostat, we can add another controller and another forced air induction blower for you for a small additional cost.
You will like the design of this furnace because even though it has an almost 6 foot firebox, you don't need to load 6 foot logs in it. You can easily load slightly less than 3 foot logs through each door, which makes loading a breeze. This furnace holds 41 cu. ft. of wood, which is almost 8 MILLION BTU of oak. There is also an ash tray on each end of the furnace to easily clean out your ashes without resorting to shoveling out the ashes all the time.
We recommend a 4" thick concrete pad to carry the weight of these furnaces because this model weighs 3630 pounds.
You will need a substantial pad so that the boiler does not sink into the ground.
You can also use solid 4" concrete blocks or even pavers. Many people use railroad ties for support. The choice is yours.
2: 430-ton Press Brake
We are the only manufacturer that uses a press brake to form a firebox and air jacket; both from 1 piece of metal.
Most everyone else uses 6 flat slabs of steel, with no inherent strength and that requires 12 welds because welds are the weak spots.
This new firebox and air jacket are formed using a 430-ton Press Brake,
5: TWO 2010 CFM 3-speed furnace furnace fans on each end and a 75 CFM forced air blower with damper in the middle.
Square outlets are optional
6: 75 CFM forced-air induction blower, forcing oxygen up through the grate (s), just like a blacksmith's forge!
In this photo, you see the SolarGuard insulation on top of the Knauf, giving it an extra R-10, even up to almost R-12 plus it combats the three types of heat loss. This is significant seeing that this product is only 1/4" thick.
See the great video demonstration at:
https://www.youtube.com/watch?v=8D3S9CpOzcc
FYI: If you are heating HALF as many square feet as our rating, you can load it just ONCE a DAY!
REMEMBER! There is no such thing as a furnace that is too big because it is NOT like an air conditioner,
where if you get one too big, it becomes inefficient.
This is like getting a bigger propane or oil tank! You can load it with more wood (full rounds - no splitting!) and it will burn longer and therefore you will load it less often.
No one has ever complained and said that I sold them one too big.
In contrast, many people have said,
"I wished that I listened to you!"
Wadena / Hopsco Forced Air Furnace vs
Hyprotherm Forced Air Furnace
|
Hopsco who purchased Wadena |
Hyprotherm Manufacturing LLC |
|
Firebox Thickness: only 3/16" only 24/28" deep |
Firebox Thickness: 33.3% thicker at 1/4" 55" deep! |
| ODF1500: 780 lb ODF2000: 950 lb | TW1000:
1720 lb/2069
crated TW2000: 2220 lb/2477 crated TW3000: 2340 lb/2590 crated TW4000: 3380 lb/3630 crated |
| Blower: Just 1500 CFM |
34.6% larger blower: 2020 CFM |
|
Heating area: ODF1500: 2,800 sq. ft. |
TW4000: 10,700 sq. ft. This is loading it twice a day OR ONCE A DAY heating half of that square footage. |
| Duct
Size 10" |
20% bigger Duct Size; 12" I.D. |
| Flue must be purchased separately | 87.5" Flue included WITH a chimney cap² |
| Firebrick must be purchased! | No Firebrick needed due to thicker firebox! |
| I
have never heard of this furnace until I saw this post so
I checked out the website. The first thing I noticed was
the tiny air ducts, then I saw only 500 cfm fan?! Those
two items would make me walk away and not look back. See review |
COMPARE to our 20% bigger ducts AND our 46% bigger fan! |
²
OUR Flue drops down into the firebox 14 inches, trapping in the heat and the smoke but more importantly, the gases, due to this huge secondary burn chamber, which will be burnt off; valuable heat energy that would have been otherwise lost, up the flue.
