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General Outdoor Furnace Discussion / Re: cold feet
« on: November 22, 2012, 11:32:15 PM »I guess I have not done enough research . I live in east tennessee I really have no idea what kind of savings I should expect. I will heating a 1680 sq foot cabin and a pole barn around 1500 . Any feed back will be greatly appreciated . Thanks for the help .
I guess that it depends how long you heat every year and what your heating costs are per month. I use to heat my 3000 sq ft house with an oil fired boiler/ water heater. The house was already using radiant water baseboard heaters. I use to burn approx 100 gallons of #2 per month. My wood expense is $40 a cord and I estimate that I'll burn approx 2.5 cords during the heating season. The savings is substantial if you can get the wood at the right price. I live in Western NC, so I assume that we've got similar heating expenses. If I had it to do over again, I would.
Dave
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General Outdoor Furnace Discussion / Re: pex expansion
« on: November 22, 2012, 11:26:17 PM »How do you guys deal with expansion of pex in your basements? I have over 2ft of expansion over approx 30 ft. of pex line in my basement going to heat exchanger.
When I installed my furnace, I had prior knowledge of the pex expansion issue. With this in mind, I decided to leave a service loop on the wall so that it could expand there. This way the expansion didn't torque a fitting or bind up in an area that couldn't handle it.
Dave
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General Outdoor Furnace Discussion / Re: cold feet
« on: November 22, 2012, 12:20:42 AM »Newbie researched it to death, found 2 units I like both seem to have good dealers now when its time to get the money I start to think is this going to pay for its self or die before its paid for.
I'd say that it will probably pay for itself long before it's death. Even the crappy one's seem to get a few years use before going tits up. Do your research and think of it as an investment. I stumbled across a deal on craigslist and paid $850 for mine. It's an older unit, but seems to be well made. Deals are out there but you've gotta have the time to look for them. Good luck with your search. If I can be of any help, just holler.
Dave
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General Outdoor Furnace Discussion / Re: add chimney height + or -?
« on: November 15, 2012, 12:47:35 PM »
I've had some success using an healthy wrap of metallic duct tape on the joints. It doesn't last forever but it does make it through a season.
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General Outdoor Furnace Discussion / Re: inside ten year old stove
« on: November 15, 2012, 12:43:41 PM »
Looks great. I'd be happy if my water jacker looked like that after 10 years. What kind of treatment did you use?
Dave
Dave
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General Outdoor Furnace Discussion / Re: Great Info From NCSU concerning OWF's.
« on: November 15, 2012, 12:40:55 PM »Why did they use a round firebox design?
Victor, the only reason that I can think of is symmetry. If the firebox is centered then the water jacket will be equal distance from the heat source. If it is a square then you will have areas (corners) that have the potential to be cooler than the rest of the box. Just my. 02.
Dave
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General Outdoor Furnace Discussion / Great Info From NCSU concerning OWF's.
« on: November 14, 2012, 03:25:53 PM »
I was looking for some OWF info and stumbled across this gem. This is a very informative and well written document concerning outdoor wood furnaces.
Dave
http://www.bae.ncsu.edu/programs/extension/publicat/energy/ag398-hot-water.pdf
Dave
http://www.bae.ncsu.edu/programs/extension/publicat/energy/ag398-hot-water.pdf
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General Outdoor Furnace Discussion / Re: Newbie with a setup question. Imagine that.... Lol
« on: November 06, 2012, 11:16:22 AM »
It is a non pressurized system.
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Plumbing / Re: Heat exchanger plumbing question.
« on: November 05, 2012, 03:32:47 PM »
d-man,
I'd be extremely interested in your progress and lessons learned, as I am in the same type of situation. If you use a HX for the heat transfer to your indoor unit, what size unit did you go with? Any info would be great.
Thanks,
Dave
I'd be extremely interested in your progress and lessons learned, as I am in the same type of situation. If you use a HX for the heat transfer to your indoor unit, what size unit did you go with? Any info would be great.
Thanks,
Dave
10
General Outdoor Furnace Discussion / Re: New install with 1 issue
« on: November 05, 2012, 03:25:48 PM »
Is there any way that you can turn the fan off and open the damper before you open the door to load it? My buddies' stove did the same until he tried the combination described above. Hope this helps.
Dave
Dave
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General Outdoor Furnace Discussion / Re: Newbie with a setup question. Imagine that.... Lol
« on: November 05, 2012, 10:42:27 AM »
muffin,
The owf is approx 50 feet from the house. If I use heat exchangers, then I could eliminate my need to run a DHW loop and a heating loop. If I can consolidate everything into one loop then I can get out of the install a little bit cheaper. I'm planning on at least a 12" air gap between the furnace and any combustible surface. I just didn't know if that was enough room or if I might need to cover the OSB board up with some masonry board or metal (reflective)sheating. Thanks for the input.
Dave
The owf is approx 50 feet from the house. If I use heat exchangers, then I could eliminate my need to run a DHW loop and a heating loop. If I can consolidate everything into one loop then I can get out of the install a little bit cheaper. I'm planning on at least a 12" air gap between the furnace and any combustible surface. I just didn't know if that was enough room or if I might need to cover the OSB board up with some masonry board or metal (reflective)sheating. Thanks for the input.
Dave
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General Outdoor Furnace Discussion / Re: Newbie with a setup question. Imagine that.... Lol
« on: November 05, 2012, 09:21:17 AM »
Thanks for the input, Rockarosa. Do you have a picture of your setup?
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General Outdoor Furnace Discussion / Newbie with a setup question. Imagine that.... Lol
« on: November 05, 2012, 12:54:37 AM »
Hi guys,
I've been actively looking at the thread for awhile now and need some input. I have just bought a 500 gal. Indoor Carolina Water Stove (used), and am thinking about putting it in my detattched garage. I have plenty of space at the rear of the garage and like the idea of being able to keep the unit out of the elements without having to build a separate shed to cover it. I want to put the unit as close as I can to the corner of 2 walls but am unsure as to what preparations I need to take before I place the 2,000 lb beast. Questions:
1) Should I build out a buffer wall where the unit will sit, so that I can keep an air gap between the furnace and the finished wall?
2)The iwb has a DHW coil that I was thinking of plumbing directly into my water heater. Should this be avoided? I've seen alot of posts on here about using a HX instead of plumbing straight into water heater.
3)I currently have a oil fired water heater/ boiler for the primary heat source for my water base board. Would it be best to plumb directly into that system or look into placing a HX for my existing boiler/ heater?
Thanks in advance for any/ all info that you guys have provided and will provide.
Dave
I've attached a few pics of the unit
[attachment deleted by admin for space issues]
I've been actively looking at the thread for awhile now and need some input. I have just bought a 500 gal. Indoor Carolina Water Stove (used), and am thinking about putting it in my detattched garage. I have plenty of space at the rear of the garage and like the idea of being able to keep the unit out of the elements without having to build a separate shed to cover it. I want to put the unit as close as I can to the corner of 2 walls but am unsure as to what preparations I need to take before I place the 2,000 lb beast. Questions:
1) Should I build out a buffer wall where the unit will sit, so that I can keep an air gap between the furnace and the finished wall?
2)The iwb has a DHW coil that I was thinking of plumbing directly into my water heater. Should this be avoided? I've seen alot of posts on here about using a HX instead of plumbing straight into water heater.
3)I currently have a oil fired water heater/ boiler for the primary heat source for my water base board. Would it be best to plumb directly into that system or look into placing a HX for my existing boiler/ heater?
Thanks in advance for any/ all info that you guys have provided and will provide.
Dave
I've attached a few pics of the unit
[attachment deleted by admin for space issues]
15
Electronics / Re: lookin for a t-stat
« on: November 03, 2012, 05:38:49 PM »
I would think that a 2 zone thermostat or programmable thermostat might work. Here's a link to a nice lennox: http://www.lennox.com/products/comfort-controls/
Dave
Dave
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