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Whole House Comfort System The Woodchuck Add-on furnace line can eliminate the unpleasantries of in-home wood-burning. The Woodchuck is usually placed next to your present Central Heating unit instead of the main living area of your home. This means NO firewood, dirt, or bark to clean up, or hot surfaces to guard from small children. Woodchuck offers the comfort of luxurious, even heat distributed throughout your home. The cost of oil and gas DOES NOT mean you must abandon or replace the central heating system designed for your home. After all, it's the oil and gas consumption we want to reduce, not the system. |





Why Buy A Nature's Comfort Outdoor Wood Furnace?You could save over $60,000 on your heating bills just during the warranty period! With a Nature's Comfort outdoor wood boiler you can finally eliminate those budget-killing heating bills once and for all! * Nature's Comfort Outdoor boilers are built to our design specifications by our manufacturing firms in Wisconsin and Indiana. With our design and specifications and the many years of experience our manufacturing firms have, you can be assured you're getting the best outdoor wood boiler made. * When you decide to purchase a Nature's Comfort Outdoor Wood Boiler you may go to the link on our home page for Access Equipment Financing... if you qualify, you can get 100% of your purchase financed. * Once you've made your purchase, you can expect hassle free shipping. Here are some added incentives... that really make a difference!* Firebox is 1/4" or 3/8" thick steel (whichever you choose for an NCB Series 175 or 250) with an opening of 27"x18" to handle large logs. * Water jacket is 7 gauge (approx 3/16") on the NCB-175, NCB-250 and NCB-325. And 10 gauge (approx 1/8") on the NCB-120. * Fire brick grate with slide-out ash pan on the NCB Series for easy cleaning.
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LEFT: NCB-120 : 1/4" Thick Firebox $5280 - On sale take $300 off!Heats up to 3,000 sq ft** | 120 gallon water jacket | 160,000 BTU | 1652 lbs |
RIGHT: NCB-175 : 1/4" Thick Firebox $5780 - 3/8" Thick Firebox $5980Heats up to 4,000 sq ft** | 175 gallon water jacket | 184,000 BTU | 1817 lbs |
LEFT: NCB-250 : 1/4" Thick Firebox $6780 - 3/8" Thick Firebox $6980Heats up to 6,000 sq ft** | 250 gallon water jacket | 263,000 BTU | 2260 lbs |
RIGHT: NCB-325G : 1/4" Thick Firebox $8480Heats up to 10,000 sq ft** | 325 gallon water jacket | 460,000 BTU | 2115 lb |
GT-220 : 1/4" Thick Firebox $7980Heats up to 8,000 sq ft** | 220 gallon water jacket | 300,000 BTU | 2380 lbs Fire Box: Cubic Feet Height Width Depth 17.4 30” 28” 40” |
GT-500 : 1/4" Thick Firebox $9480Heats up to 12,000 sq ft** | 300 gallon water jacket | 500,000 BTU | 2800 lbs Fire Box: Cubic Feet Height Width Depth 25.2 30” 28” 58” |
How The Nature's Comfort Outdoor Wood Furnace Works! |
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Simple! The interior workings of the outdoor wood furnace consist of a firebox, and within the firebox is a chimney, a grate with a powered blower that forces air up into the fire for a greater and more efficient burn. Wood is loaded into the firebox the same way as a traditional fireplace. Surrounding the firebox is at least a 120 gallon water jacket. The wood is burned in the firebox, thereby heating the water in the surrounding water jacket. A pump at the back of the outdoor boiler sends the heated water on a continuous loop to the house through an insulated PEX line to a heat exchanger on your furnace and the water heater inside your home, then back again for reheating. |
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Model |
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Feature |
526 |
2900 |
4000 |
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Max. BTU Capacity |
120,000 |
150,000 |
180,000 |
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Weight |
445 lbs. |
700 lbs. |
815 lbs. |
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Gauge of Firebox Steel |
10 ga. |
7 ga. |
4 ga. |
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Estimated Heating Capacity |
1600 sq. ft. |
2600 sq. ft. |
3600 sq. ft. |
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Fire Chamber Capacity |
6.1 cu. ft. |
7.7 cu. ft |
9.1 cu. ft. |
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Width |
24 ½ |
26 ½ |
26 ½ |
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Depth (w/Filter Box) |
52 |
55 ½ |
61 |
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Height |
43 |
49 ½ |
52 ½ |
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Blower Capacity |
CFM |
CFM |
CFM |
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Log Length |
22" |
22" |
24" |
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Coal Capacity |
140 lbs. |
180 lbs. |
230 lbs. |
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Loading Door Size |
14" x 12" |
15" x 13" |
15" x 13" |
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Ash Door Size |
6" x 8" |
8" x 11" |
8" x 11" |
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Flue Size |
6" |
8" |
8" |
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Flue Collar Heigh |
41" |
47" |
50" |
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Plenum Outlet Size |
20" x 23" |
20" x 23" |
20" x 23" |
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Efficiency |
65% |
78% |
82% |
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Combustion Air Diverter |
N/A |
Standard |
Standard |
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Catalyst |
N/A |
Optional |
Optional |
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Catalytic Ready in Fire Box |
N/A |
Standard |
Standard |
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Filter Box (R or L inlet) |
Standard |
Standard |
Standard |
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Automatic Draft Shut Off |
Standard |
Standard |
Standard |
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Automatic Draft |
Standard |
Standard |
Standard |
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Domestic Water 6:1 |
Optional |
Optional |
Optional |
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Secondary Heat Exchanger |
Standard |
Standard |
Standard |
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Smart Box |
Standard |
Standard |
Standard |
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Shaker Grate |
Optional |
Standard |
Standard |
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80/20 Comb. Air |
N/A |
Standard |
Standard |
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Listings |
U.L. 391 |
U.L. 391 |
U.L. 391 |
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Furnace Price |
$2560. |
$3370 plus $380. catalysts |
$3770 plus $380. catalysts |