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  1. #1
    Join Date
    Oct 2001
    Posts
    63
    Does anyone know of or can recommend a thermostat that controls humidity in both the cooling and heating mode. This would mean that it attempts to cycle the condenser when cooling to reduce the relative humidity while turning on the humidifier in the heating mode to bring up the humidity. I've looked at the Honeywell TH8321 but it only seems to try to reduce humidity in the cooling mode and does nothing to control the humidifier.
    Thanks for your help.

  2. #2
    Join Date
    Mar 2005
    Location
    burlington county n.j.
    Posts
    9,763
    lennox signiture stat can do both. it is made for them by another co but i can't remember name. have seen them at united refrig. i think grainger has them also.

  3. #3
    Join Date
    Apr 2005
    Location
    Tampa, Florida
    Posts
    1,634
    There's two stats out there, one made by RobertShaw/Invensys and one made by White-Rodgers. Can't think of the model #'s off the top of my head, but their websites will have all the info you'd need.

    http://www.white-rodgers.com
    http://www.robertshaw.com

  4. #4
    Join Date
    Apr 2005
    Location
    Kingston Ontario Canada
    Posts
    1,233
    Yes, Carrier hasa thermidistat that controls humidity in heating and cooling mode.

    Thorton

  5. #5
    Join Date
    Oct 2003
    Location
    west chester pa
    Posts
    343
    Lennox Signature stat I have one on my unit works very well. Also carrier thermidistat

  6. #6
    Join Date
    Jul 2002
    Location
    Zelienople, Pa
    Posts
    2,965
    Honeywell PC8900
    How tall are you Private???!!!!

  7. #7
    Join Date
    Apr 2003
    Location
    Northern Virginia, Fairfax County
    Posts
    641
    I understand Carrier/Bryant Thermidistat and Lennox SignatureStat and Trane Comfort-R for dehumidifying in summer, but how can humidity control in the thermostat do any better than the regular humidistat in the furnace's air flow? I have an Aprilaire 700 humidifier with the outdoor temp sensor.
    Al

  8. #8
    Join Date
    Apr 2005
    Location
    Tampa, Florida
    Posts
    1,634
    I'm not too familiar with humidifiers (I'm a Florida native), but I know that some of the stats will reduce indoor humidity when outdoor temps get lower to prevent condensation on windows & such. I'm assuming your Aprilaire unit's outdoor temp sensor would serve the same purpose.

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