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Outdoor wood boilers

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We are in the market for a Outdoor boiler this year! We have been told this year is the last year for a traditional wood boiler and that next year only Gasification systems will be sold. From what I've heard the gasification systems are nearly 100% efficient if you have very dry wood, but they are very expensive. We will be heating a 2500 sq/ft house and 1000 sq/ft shop so we need a dual output. We are looking for any input, pros and cons for brands, models and styles. Thanks in advance!

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Kuuma high efficiency vapor fire... From Lamppa in Tower, MN

High Burn

1.0 Grams/Hr of Emissions

.02 Grams/MJ of Emissions

99.4% Combustion Efficiency

82.4% Overall Efficiency

Medium Burn

.45 Grams/Hr of Emissions

.01 Grams/MJ of Emissions

98.1% Combustion Efficiency

84.4% Overall Efficiency

Low Burn

.65 Grams/Hr of Emissions

.02 Grams/MJ of Emissions

98.9% Combustion Efficiency

86.3% Overall Efficiency

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Again, this is a Ford vs. Chevy Vexilar vs. Marcum etc type of question and conversation. I guess my advice is do your due diligence and research and go with what you feel is the best for you. There are alot of good stoves out there some with very good warranties and reputations for service. I personally have a Heatmor. Am I in love with Does it work good and do what I want, yes. There are also some good Manufacturers that are in MN and you may find that you have a better chance with any potential service from a local company. Heatmor, Central Boiler and a whole host of others are all MN companies that do a good job. You may also want to consider a stove that is multi-fuel and can burn corn, wood, coal and or has a propane back-up for those times when you actually might want to leave for a couple days and dont want your boiler freezing up. There's lots of them out there, go talk to people who have different brands and ask them for the pro's and cons and see what your come up with.

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Thanks for all the info and ideas! We actually researched several stoves and we found one called Earth wood furnaces. It has 1/2" steel in the fire box and a full 8 year warranty, then a gradual prorate for the next 17 years. The woodmaster didn't have as good of a warranty or ratings as well as a few others. This one was 7800 delivered with 2 exchangers and 125 feet of pex and all the other parts. Its the biggest one they make, 375,000 btu and a 315 gallon water tank. I should never have to worry about heat or chimney fires again!

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  • Your Responses - Share & Have Fun :)

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