Welcome to
GARN® Wood Heating Systems
Home of the World Famous GARN® WHS Wood Fired Hydronic Heater
For over 30 years Dectra Corporation has been providing quality products and services for residential, commercial and small industrial buildings and facilities.
The World Famous GARN® line of Wood Heating Systems (WHS), have been an integral part of developing wood as a viable, clean, and effective renewable, carbon neutral heating source.
We are very proud of our products, services, people, and partners.
In addition to information on GARN® products and services, our goal is to educate and advance the intelligent use of wood and other alternative heating sources. We will be constantly updating the information and resources on this site, so please check back
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Introducing GARNparts.com, our new online store for ordering replacement parts for your GARN® unit. You can also get an ever growing selection of GARN® Wear - hats, vests, and more to come.
Best Regards,
The Entire Team at Dectra Corporation

What's New
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I'll second the request on the Garn emissions #s for phase 2. Our town passed an ordinance last winter requiring phase 2 for new installations. Our garn was in place before the ordinance but got concerned last week with RI H7064 discussing retroactively banning even a Garn. Overall our local reg is quite fair but the proposed state bill definitely...
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Solarwood, That makes perfect sense to me and I am definatley not an expert at how you get to your goal but it interests me. I have not researched DC pumps, but I might suggest you select a pump for it's GPM and head ratings first and voltage secondary. After all a DC pump that dosen't satisfy the load won't help you. Here's a question...
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I do not know the specific consumption of the Garn, but sounds like a 1/2 hp motor is in the 8 Amp range, then you have pumps and control systems etc. I am sure it could be done but it sounds like a lot of PV.
The Solar DHW uses a lot less electricity, may well be more logical to put your money into more of these than PV to run the blower.
Time...
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[quote user="mhotel"] The combination of solar thermal, wood heat, and large thermal storage is compelling. Solar thermal will take care of summer loads almost anywhere and even deliver space heat in the shoulder seasons for those of us in milder climates. I'd be interested to hear how it works out for you. [/quote] This is my goal as...
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Kenny - it appears that the purpose of my original post may have been lost. The reason I am looking at DC is not a grid issue - it is the fact that hydro outages are a fact of life where I live. In fact last year we were forced out of our house because it just got too blinking cold. It seems logical to me to try to find a DC blower to enable the...