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  1. #1
    Join Date
    May 2011
    Location
    North Dallas, TX area
    Posts
    49

    Any geothermal system work like this?

    Most contractors tell me that they have to drill one 200-300' vertical well for every ton of AC/heat (plus an additional well, according to at least half).

    They all seem to sell a dual-stage system (with variable speed blower), although one contractor uses two systems (a single stage plus a dual stage) to get an effective 3 stages.

    Why couldn't they (say for a 5-ton system) create the equivalent of a 5-stage system by simply allowing flow to only ONE well to get about 1-ton of cooling, allowing flow to only TWO wells to get about 2-tons of cooling, 3 wells for 3 tons, etc?

  2. #2
    Join Date
    Mar 2011
    Location
    SOUTH DAKOTA
    Posts
    94

    Confused

    That doesn't make much sense. Your equipment is staged by the compressor, the number of ground loops you use would make a difference if you start closing off loops it's going to mess with your ref. pressures just don't see your logic in that

  3. #3
    Join Date
    Apr 2011
    Location
    Coastal Maine
    Posts
    889
    Huh?

    Why re-invent the wheel? These things are developed through real data and research. IMHO, you are way off base.

  4. #4
    Join Date
    Dec 2011
    Location
    USA
    Posts
    66
    Sounds like you are trying to make a cascade system out of a geo. If you want to make it more efficient easily then just add more footage to your loop.

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