Cooling with water to water

Discussion in 'Radiant Heating and Cooling' started by BenWoj42, Apr 5, 2014.

  1. BenWoj42

    BenWoj42 Member

    I've been doing my research on geothermal before installing, but couldn't find much information about cooling with geothermal. Can anyone recommend a site or book that could give me some info?
  2. BenWoj42

    BenWoj42 Member

    I tried editing my post, but doesn't seem as though I gave the option to. Just to clarify on my search request. I live in michigan and most of the information I've read tells me that radiant cooling is not to be used in humid environments. Is there data/information that contradicts these statements? If using radiant geo, what are my cooling options other than setting a few a/c units in the windows?
  3. Mark Custis

    Mark Custis Not soon. Industry Professional Forum Leader

    I have designed and installed several projects using water to water geothermal heat pumps for cooling.

    I have used a Tekmar 406 house control the keeps the chilled water temperature above the dew point. Caleffi has an Idronics issue dealing with radiant cooling and a new control that I have not looked at yet.

    Removing the sensible heat is easy. My favorite for the latent heat load is Unico Systems high velocity equipment.

    Let me know if you need more.

  4. BenWoj42

    BenWoj42 Member

    Thanks mark, this should keep me feed for a while. Doesn't seem like many people have done this before with the lack of replies.
  5. urthbuoy

    urthbuoy Well-Known Member Industry Professional Forum Leader

    Nope. We've done it as well. The trick was waiting for the Tekmar 557 to come out and turn it in to a fail safe instal.

    It has always made sense, but as an installer, you need to be able to walk away and ensure condensation conditions won't occur.
  6. AMI Contracting

    AMI Contracting A nice Van Morrison song Industry Professional Forum Leader

    Hi Ben, I have a radiant cooling project in Gregory MI that was installed since we met. One of the challenges is to ensure you cool the occupied floor and not the space below it the second is you still want to get rid of that humidity.
    Retrofits like yours offer a lot of challenges that are usually solved by compromise....i.e. some sensible heat removed by radiant while mini splits handle sensible in some areas (hopefully keeping the air moving enough to make the house comfortable throughout).
    There are also hydronic consoles that can be used to heat or cool.

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