Categories » Indoor Gasification Wood Boilers » WOOD GUN » E140

WNO#: 32
Type: Indoor Gasification Wood Boilers
Brand: WOOD GUN
Model: E140
Max BTU: 140,000
Firebox Vol: 10 cub. ft.
Max Wood Length: 30 inches
Water Vol: 80 gallons
Weight: 1650 lb.
Efficiency: 85%
Country Manufactured: USA
Testing/Listing: ?
Emissions: ?
Data Source:
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Average Review:

wood boiler reviews WOOD GUN Indoor Gasification Wood Boilers 4 out of 5 based on 1 user reviews.

Reviews

WOOD GUN E140
Description:Indoor Gasification Wood Boilers - BTU: 140,000
Rating: 4 wood boiler reviews
Author:ScottB
Review:The WoodGun boiler from AHS is a time tested design and one of the few boilers available with the ASME H stamp required by some states (Econoburn being the other). My application is heating a 2000 sq ft home in MA. The boiler is connected with an 820 gallon unpressurized American Solartechnics thermal storage tank. The boiler is fired once a day for 4-5 hours to make heat for the following day. Average wood usage has been 3.8 cu Ft per day, or a little under a cord a month during the coldest weather. On milder days (40+ degree daytime) it is only fired every other day. It is supplying a bit over 300K BTU's per day with each firing.

Likes:
- Built like a battleship, very rugged and safe.
- Large wood capacity allows entire burn with 1 reload 1/2 way through.
- Complete shut-down of fire when up to temperature, no smoldering fire.
- Can be run without storage due to large thermal mass (80 gallons water + 1650 lbs of boiler).
- Fairly economical use of wood, using less than expected.
- Easy to clean. Self cleaning heat exchanger is exceptionally effective. Very low stack temps.

Could improve:
- Boiler would be better with an insulated front and rear door to reduce heat loss.
- Variable speed draft fan. Factory set fan speed is a bit too strong for burning very well seasoned hardwood.
- No dedicated secondary air in this design. Loading the wood towards the front allows some fresh air to mix with the un-burned wood gasses. Some loading patterns yield smoke and poor results. There is a slight learning curve.


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