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HVAC Thread Air Control/AC Thread

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    HVAC Thread Air Control/AC Thread

    So i learned from when i first got my tent and Ventilation pipes and 440cfm fan all about HVAC which is useing the air+ac to cool the room and save you money... so heres a short list of stuff that i found usefull.
    1. Buy a Hood that can be air cooled at 300watt you want 4inch pipe with a 200cfm fan, 600watt you want 6inch pipe with a 400-500cfm and 1000watt you want 8inch with a 600-800 cfm fan!
    2. 90% of growers fail in summer because creating an ideal environment is difficult with the summer temps and humidity
    3.Air out has to = Air in
    4. Windows unit is better than portable if u room is small enough to cool with one... and the window is near the area or it is in a sealed off room. U want your room sealed off from outside air so your not adding hot air while your a/c is trying to cool counter productive..
    5. portable ones on wheels are nice if u have no window or want to move it around in front of tents.
    6. when running an ac turn your Intake fan and outtake fan down... so ur not cycling air faster than the ac can cool it
    7. get the biggest one you can afford i was running a 5000 btu in a room 10foot by 24foot should of ezly cooled it but because of excesses heat from lights. the 5000 would of done the job if i didn't have lights. ALSO IF YOU GET THE BIGGER ONE IT WILL ACTUALLY TURN THE AC PART OFF WHEN IT GETS COOL ENOUGH INSTEAD OF RUNNING 24 HOURS A DAY LIKE MY 5000 DID. I WENT FROM 160 TO 300 A MONTH IN ELECTRICITY I UPPED IT TO AN 8000 AND I DROPPED 60 BUCKS BECAUSE IT WAS ACTUALLY SHUTTING OFF SO SPEND THAT EXTRA 100-200 BECAUSE IT WILL SAVE YOU IN THE LONG RUN TRUST ME!
    8. Personally i went with an ac. that can cool the room faster than my fan can pump the air out i also have no intake fan atm. so its more like a refrigerator except that i exhaust about 100cfm of air through my lights.
    9. Portable ac's don't drain the water outside so your never really pulling moisture out of the air.
    10.. If you cannot create a stable environments cut clones and keep em alive till winter.
    11. If the ac has enough btus you can seal the room off remove intake air and Turn your outtake fan down on low so its not dumping your ac outside. the lights will still be cool because your moving AC cooled air through the lights!
    Any more questions to the HVAC guy Let me know i hope this helps my first 3 weeks of summer was miserable but when i got the right ac all the stress went away!
    Last edited by Inuart88; 07-09-2017, 08:48 AM.

    #2
    yup, hear that. thats what landed me into 14000 btus. cut my bill in half. only thing i coulda done better is get one with dual ports, then i wouldnt have to vent at all and make co2 a freakin snap, which in turn pays for the ac too, lol.
    we learn as we go, and there is always some price tag to make us remember our lessons learned.

    Comment


      #3
      Excellent advise 88 and IH.
      Cfls for a week or two
      315lec for everything else
      Dug up Ms.topsoil, with perlite added
      36x36x63 inch tent.
      6inch - exaust - intake fans an scrubber
      Smart pots
      Molasses
      Autoflowers

      Comment


      • Inuart88
        Inuart88 commented
        Editing a comment
        Figured i had issues with it when i started back in January and then when i added another tent/600watt light. when the season turned to summer. Finding that right in environment and keeping TEMP RH and Other things in check... i wish someone would of gave me advice when i was stressing those 3 times.. But after much trial and error i got it and couldn't feel more proud and relaxed.. (Smoking the new pipe as we speak ;-).. any way thats my 2 cents i would almost think about pinning this post since people have alot of problems with summer growing and this post answers a lot of those questions.

      #4
      NebulaHaze Thoughts on pinning this thread up for summer time growers? Because i wish someone had all this information when i started =D

      Comment


        #5
        I run the house central A/C via a 6" duct to my 1000W grow light to a 240cfm inline fan with temp controller and out the top of the tent. I have 1 lower vent open on the bottom east end of the tent and a charcoal filter in the top west end above the 1000w light with a 440cfm fan with variable speed controller that vents out the top east end. several fans and a "swamp cooler". If it were not for smell I could eliminate the charcoal exhaust and run about 78 F at canopy and 65% humidity. with the exhaust and the controller for the light exhaust set to 73 with a +2 degree trigger (75) the light exhaust cycles on and off even with the charcoal filter as low as I can while still creating neg airflow and humidity is around 46% (need a bigger swamp cooler).
        First grow Bagseed and Acid Dough:
        http://forum.growweedeasy.com/forum/...ough-by-ripper

        First grow Acid Dough:
        https://growdiaries.com/diaries/2642-first-dwc-grow

        Second grow Monster Cropped Acid Dough:
        https://growdiaries.com/diaries/2920...clone-revegged

        1000w HPS. (4) 136w LEDs. 48x96x80" flower tent. (1) 136w LED. (6) 13w cfls. 2x2x4' clone tent. DWC. House and Garden nutes: Aqua Flakes + supplements per HG DWC feeding schedule. Hydroguard.

        Comment


          #6
          🌱 Great post for indoor summer growers! 🌱
          (ノ◕ヮ◕)ノ*:・゚✧*:・゚✧ Poof!

          Comment

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