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  1. Replies
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    energy

    Its your lost if you go with straight gas. In the future electricity will remain stable in price, but gas will continue to rise. You need to go to http://www.Geoexchange.org and check some...
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    energy

    FLP 22 EER geothermo or Trane 14 SEER heatpump with Hydronic heat backup powered buy 90 Plus water heater. Don't use gas as primary heat source.
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    Energy

    The best With TXV is Subcooling, But I would read both. With fixed metering I would use superheat. Its good to know both.
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    Re: Re: Low delta-T

    Shop, I do have about 35 years of experience with water and geoexchange heat pumps. The loops have, I consider no up keep and the open systems if the flow is right and the water clean almost the...
  5. I would use hydronic water coil as back up. Put a...

    I would use hydronic water coil as back up. Put a 40000btu coil in front of the heat pump. Connect it to a 60000btu 90% efficient water and let the second stage heat call on the pump to circulate hot...
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    energy

    You do need to look GEOTHERMO heatpump they are much higher efficient and last longer, with your rate of AIR source HP is not bad I guess but LP gas is out it has doubled in price in the last five...
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    energy

    COP is short for coefficient of performance. So this means that the HP is working at 350% efficient compared to electric strips when it is 47deg. So for $.08 you get 34,130 btus with strips. When the...
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    Energy

    All these answers are good. The things that make high compressor ratios are the greatest killers. High compressor ratios are the number one killers says the compressor manufactures. Next in line is...
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    Something like this is use when geothermo units...

    Something like this is use when geothermo units are installed in a building and a boiler is used to heat the water and cooling tower is used to cool the water. the cooling tower has a closed loop...
  10. Replies
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    Re: Low delta-T

    I have a 32000 Square foot building on a college Campus that has a number of duel compressor units in it. They share a closed geothermo loop field. No problem with humidity they are located in NC....
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    Re: What about cooling?

    I beleive Geoexchange systems always pay for themselves. They love what they do and keep on doing it for years. I have systems installed it the early 1970s and still work as good today as they did...
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    energy

    I would use 1 inch pipe from the exit valve. I Just finished a job and had 270 feet exit pipe and worls fine.
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    What is the number one cause for compressor...

    What is the number one cause for compressor failure.
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    Someone has said geo is not worth it up north. I...

    Someone has said geo is not worth it up north. I just read a case study from Princeton Minnsota. Winter Design Temp of -18 degree and a summer design temp of 90 degrees for a 3400 Sq foot house,...
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    I did use your electricity prices with that...

    I did use your electricity prices with that calculation. My electricity rate is $.09. And I have Geoexchange with hydronic backup, this makes the duel fuel system. Dominion Power and Virginia power...
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    I can produce that some 112,000 btus with my GEO...

    I can produce that some 112,000 btus with my GEO exchange unit for $.78 using your electricity prices. You are right GEO alone will not solve our thirst for energy, but it is the best we have for...
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    That is not the second best choice Biomass, wind,...

    That is not the second best choice Biomass, wind, solar are in there but burning gas is not a choice of the future. Go to the DOE website.
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    You need to read some on the department of energy...

    You need to read some on the department of energy website to increase your study on the energy of the future. The gas and oil we know today are going to be price out of exsistance for energy. the Oil...
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    You need to study more. Oil and gas is all ready...

    You need to study more. Oil and gas is all ready about to pass the cost of electricity at 1 to 1 cop let alone 3 to 1 COP for ASHP and 5 to 1 COP for WSHP.
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    We are going west and build geothermal power...

    We are going west and build geothermal power producing plants. Read WhiteHouse news.
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    Anyone can do like ever one else. When the cost...

    Anyone can do like ever one else. When the cost is that much differant so is the saving.
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    3,119

    PS and making changes will help the econ.

    PS and making changes will help the econ.
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    I think you are right. But it was signed by...

    I think you are right. But it was signed by others on FEB 16th and according to Whithouse news we will try to reduce greenhouse gases buy 18% bellow the 1993 levels by 2010. Everyone will need to do...
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    Does everyone agree it is never good to use Gas...

    Does everyone agree it is never good to use Gas or Oil as the primary heat source for homes. I believe it is always better for the environment and energy to use heat transfer to heat home regardless...
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    Originally posted by lonnirat [B] ...

    [QUOTE]Originally posted by lonnirat
    [B]


    Chris it makes no differance what part of the country you are from and what the cost of electricity. Heatpumps are still the best choice because they...
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