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  1. #1
    Join Date
    Nov 2019
    Posts
    1
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    AC / Dehumidification for Cultivation facility

    Running to 5ton air handlers in grow rooms to cool 75000 btu heat load. Is their a way to trick the system to dehumidify when the lights are out and heat load gone.
    Rooms have to dehumidify 750 pints a day. Would like to find a way to use hvac system to fullest potential and not have to add a bunch of Quest dehumidifiers.

  2. #2
    Join Date
    Jun 2014
    Location
    Dover, DE
    Posts
    11,765
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    Nanitorium equipment manufacturers have embraced the grow room business. They actually do a really good job maintaining temperature and humidity at the same time.
    If you want to use standard units, you’ll have to sacrifice one or the other. Or add hot gas reheat to the units for humidity control.
    Or, as you said, add separate dehumidification.

    https://www.poolpak.com/index.php/se...-growing-rooms
    “I haven’t failed. I’ve just found 10,000 ways that won’t work.” - Thomas Edison

    “It’s not whether you get knocked down, it’s whether you get up.” - Vince Lombardi

    "In this house we obey the laws of thermodynamics" - Homer Simpson

    Local 486 Instructor & Service Technician

  3. #3
    Join Date
    Jun 2003
    Location
    Madison, WI/Cape Coral, FL
    Posts
    9,694
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    The Quest dehumidifiers are high efficiency dehumidifier made in the USA. They remove 6-9 lbs. per KWH plus provide significant free reheat like 12,000 buts per KWH while removing the moisture. This is hard to beat for efficiency. A/cs remove 2-3 lbs. per hour plus the energy of reheat.

    Keep us posted on your thoughts.
    Regards Teddy Bear
    Bear Rules: Keep our home <50% RH summer, controls mites/mold and very comfortable.
    Provide 60-100 cfm of fresh air when occupied to purge indoor pollutants and keep window dry during cold weather. T-stat setup/setback +8 hrs. saves energy
    Use +Merv 10 air filter. -Don't forget the "Golden Rule"

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