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General Outdoor Furnace Discussion / Re: Newbie...be gentle ...looking at my first wood burning boiler
« on: March 30, 2011, 05:35:52 PM »
He doesn't need to elaborate. He already has under the Heatmaster section of the forum. If you would like to see what he has to say head over there.
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Hardy / H2 question for Hank or any one
« on: March 23, 2011, 04:25:50 PM »
You are using an H2 right? I looked at your hook up pictures and it says the red pump runs the house and the brown pump runs the garage (or some other building). How much are you heating with each?
Could you get the H3 (no coil for hot water) and use a plate exchanger to heat the hot water?
Could you get the H3 (no coil for hot water) and use a plate exchanger to heat the hot water?
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Plumbing / Re: Interior Lines
« on: March 18, 2011, 07:48:02 PM »
dirtryder
Do you have all of that on 1 1" line coming into the house from the OWB? If so what kind of pump do you have running that? Do you ever have problems with the last Air exchanger not having enough heat because it is being drawn of early in the line?
My system would end up being very similar to yours. I would like to heat the hot water then go to my main floor heat pump. I was thinking about not hooking up my second floor heat pump for fear that I would not have enough heat on one line.
What size are your Air exchangers?
Do you have all of that on 1 1" line coming into the house from the OWB? If so what kind of pump do you have running that? Do you ever have problems with the last Air exchanger not having enough heat because it is being drawn of early in the line?
My system would end up being very similar to yours. I would like to heat the hot water then go to my main floor heat pump. I was thinking about not hooking up my second floor heat pump for fear that I would not have enough heat on one line.
What size are your Air exchangers?
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Plumbing / Interior Lines
« on: March 18, 2011, 05:05:56 AM »
What size lines should be used once I get into the house? I plan on using 1" lines from the OWB to the house. From there I want to go to a plate heat exchanger for the water and then to the air exchanger in the heat pump I currently have. Do I run 1" lines for the inside stuff too?
Also, on the plate exchanger for the hot water. What size pipe should be used going in and out of the heat exchanger for my domestic hot water. I 3/4" lines running my hot water out of my hot water tank now.
One more thing, what size plate exchanger would you suggest? 20 plates? 30? More?
Also, on the plate exchanger for the hot water. What size pipe should be used going in and out of the heat exchanger for my domestic hot water. I 3/4" lines running my hot water out of my hot water tank now.
One more thing, what size plate exchanger would you suggest? 20 plates? 30? More?
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General Outdoor Furnace Discussion / Re: Anyone had any info on a Earth owb
« on: March 13, 2011, 05:28:37 AM »
Earth Outdoor Wood Furnaces Info
Found this video. Maybe it will help in the decision making process. Does this stove have a round or square/rectangular fire box? I can't tell by the video. It looks like it is circular at the back but square on the sides. Maybe it is just my poor vision.
Found this video. Maybe it will help in the decision making process. Does this stove have a round or square/rectangular fire box? I can't tell by the video. It looks like it is circular at the back but square on the sides. Maybe it is just my poor vision.
6
Fire Wood / Re: How much wood is this?
« on: February 05, 2011, 12:32:37 PM »
I purchased a load very similar in size to this one in the fall. After splitting and stacking I measured and did the calculations and had about 5 or 5.5 cords, can't remember exactly. It is a good load of wood but there is always plenty of air gaps in those loads.
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General Outdoor Furnace Discussion / Re: Need Help
« on: January 21, 2011, 02:20:11 PM »
I currently use 2 separate heat pumps. One for the main floor and one for the upstairs. I would put a Water to Air exchanger in each. Which brings me to my next question. What size W/A exchanger should I have in my duct work? I know it needs to go in the line just after the fan.
My main floor unit: Well my main trunk splits right at my fan. I have measured the duct work at the split and can get something around 12" X 17" in that space. Will that produce enough BTUs to heat the house? I have read the specs on my fan and it moves about 800 to 1000 CFM. It is 1/3 HP with 2 speeds.
My Upstairs unit is smaller (moves about 500 to 700 CFM) but I have plenty of room to work with there. I can put in about any size exchanger here.
How many BTU's should I be looking to get out of each one separately? Is there anyway I could put the exchanger in the return air duct? Or will that not work? I have more room to work with on that end.
Sorry if none of this makes sense. I am trying to figure out what I can.
My main floor unit: Well my main trunk splits right at my fan. I have measured the duct work at the split and can get something around 12" X 17" in that space. Will that produce enough BTUs to heat the house? I have read the specs on my fan and it moves about 800 to 1000 CFM. It is 1/3 HP with 2 speeds.
My Upstairs unit is smaller (moves about 500 to 700 CFM) but I have plenty of room to work with there. I can put in about any size exchanger here.
How many BTU's should I be looking to get out of each one separately? Is there anyway I could put the exchanger in the return air duct? Or will that not work? I have more room to work with on that end.
Sorry if none of this makes sense. I am trying to figure out what I can.
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General Outdoor Furnace Discussion / Re: Need Help
« on: January 16, 2011, 02:21:48 PM »
After crunching some numbers here is what I have found. I got numbers from my old power bills and estimated my monthly heating KWH (I subtracted my lowest month's usage from all heating months to get a good estimate on my heating hours). Using the formula 1 KWH = 3413 BTUs I got these numbers for a 3 year average off of my power bill.
December averaged 2100 KWH on heating for the last 3 years. Which averages to 9500 BTUs per hour.
January averaged 3149 KWH which is about 14,500 BTUs per hour.
February averaged 2350 KWH which is about 11,800 BTU's per hour.
Do these numbers help??
How does these numbers help me find the BTUs to heat my home?
I think I like the manifold idea (that would allow me to turn off the upstairs unit and drain just those lines in case of an extended power outage). Like I said, I am just getting into the process of finding a stove and all the stuff that goes with it. Any and all suggestions would be and are greatly appreciated.
December averaged 2100 KWH on heating for the last 3 years. Which averages to 9500 BTUs per hour.
January averaged 3149 KWH which is about 14,500 BTUs per hour.
February averaged 2350 KWH which is about 11,800 BTU's per hour.
Do these numbers help??
How does these numbers help me find the BTUs to heat my home?
I think I like the manifold idea (that would allow me to turn off the upstairs unit and drain just those lines in case of an extended power outage). Like I said, I am just getting into the process of finding a stove and all the stuff that goes with it. Any and all suggestions would be and are greatly appreciated.
9
General Outdoor Furnace Discussion / Need Help
« on: January 16, 2011, 04:17:25 AM »
Hello. I am new to the forum. I found it on my search for an outdoor boiler. I have pretty much decided that I am going to put in a unit, not sure which one as of yet. My question has to do with hooking up the system. I live in an old (built in 1906) 2 floor house with a partial basement. The insulation is not good and the house is not real air tight. I have done lots of things to help but my electric bill is still hitting my wallet hard. Currently I heat with a heat pump, actually 2 of them. A large (3 ton I think) unit for the main floor and a small (1/2 or 1 ton) for the upstairs. I had 2 put in so I could better control the temperatures throughout both floors of the house. This leads me to my question.
If I want to heat both the main floor and the upstairs and my hot water heater as well how should I hook up the unit? Do I run 1 set of pex lines from the unit to the hot water heater, then to the main floor heat pump, and then to upstairs heat pump? Or should I run 2 sets of lines? (One for the hot water and upstairs heat pump, and one for the main floor heat pump).
I guess basically what I am asking is will there be so much heat loss from the 1st heat pump that the 2nd heat pump won't be able to heat the upstairs?
Thanks in advance.
Other info:
Main Floor is about 1600 sq ft
Upstairs is about 800 sq ft
Basement is about 1000 sq ft (just storage no need to keep at a high temp. Right now it stays about 58-60 while the rest of the house is around 67-70)
If I want to heat both the main floor and the upstairs and my hot water heater as well how should I hook up the unit? Do I run 1 set of pex lines from the unit to the hot water heater, then to the main floor heat pump, and then to upstairs heat pump? Or should I run 2 sets of lines? (One for the hot water and upstairs heat pump, and one for the main floor heat pump).
I guess basically what I am asking is will there be so much heat loss from the 1st heat pump that the 2nd heat pump won't be able to heat the upstairs?
Thanks in advance.
Other info:
Main Floor is about 1600 sq ft
Upstairs is about 800 sq ft
Basement is about 1000 sq ft (just storage no need to keep at a high temp. Right now it stays about 58-60 while the rest of the house is around 67-70)
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