heating cooling

  1. L

    Heating solutions for 40x40x120cm grow tent

    Hi dudes, first post and excited to get some feedback by you, don't bee too hard :) I just built my first grow tent, 40cmx40cm120cm by secret jardin, smallest that I found, as I want it just for one plant (automatic white widow) I got an extractor fan, another fan for air circulation and a...
  2. meangreengrowinmachine

    Passive intake from cold dry basement or warm humid veg room?

    So as the title states im growing in a minimally heated basement. I have partioned off a section with 2x4 insulated walls and will be splitting into a veg and flower room. I will have humidity and temp controllers in flower and veg room. My question is would it be better to add pasive intakes on...
  3. Mike1980

    Window mounted AC unit in non enclosed grow room, where do I put the AC unit?

    First time set up, pardon my ignorance. ;) SETUP: I have a 9' wide, 12.5' L, 8.5' H flower room. It's in a fairly cold portion of my house and I live in the northern western Oregon region. Winter extremes, high's in the 30's low's in the 20's. Summer extremes, high's in the 90's at times...
  4. Chrisz0825

    Intake fan and carbon filter

    So I've been battling heat since the beginning of my first grow. I have 4 fans in my 5x5 tent with a 240 cfm booster fan pushing fresh air in and a 400 cfm inline fan sucking hot air out through the top. I decided today that I was gonna take the whole inline fan ducting down and play with it to...
  5. T

    WINDOW UNIT OR PORTABLE AC?

    Hello got a 5x10 tent ... 2k watt system is going to be in there. Should I purchase a window unit and build the box method or go with a portable since I have a little extra room in the tent being the tray is only 4x8. The portable would fit nice and be easier to install but a few people say the...
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