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[Guru]

Check out the Nature's Comfort video about the new GT-220 gasification wood boiler.
Here are the specs for the GT-220 and the GT-500

- 300,000 & 500,000 BTU
- Heats Up To 8,000sqft & 12,000sqft
- Unit Dimensions - 83”T x 45”W x 78”L, (96"L for GT-500)
- Fire Box Door - 20”x 20”
- Fire Box Dimensions - 30”T x 28”W x 40”L,  (58"L for GT-500)
- Fire Box Thickness - 1/4”Steel
- Water Jacket Thickness - 3/16”Steel
- Insulation - Fiberglass R-19 w/ Foil Foam, Double Insulated All The Way Around
- Water Jacket Capacity - 220 gal (300 gal for GT-500)
- Weight - 2380 lbs (2800 lbs for GT-500)
- Both units are over 84% efficient!
Price  GT-220 $7,980 and the GT-500 $9,480

Here is the video.... Nature's Comfort GT Series Wood Gasification Boiler/Furnace

[tulenutn2o]

I personally passed on this unit because of the catilyst system. In the past, I had heard many stories about them in the woodstoves. Other than that, I was really impressed with the unit.

[Scott7m]

the catalyst system works fine as long as you burn properly seasoned wood.  they add  a bit more efficiency and tests have shown each disk should last 6 years.  theyare fairly cheap to replace as well.