Oh you are funny. The first grow room I had I had my central air pumping in my wall unit at 5000 BTU and a portable at 14000 BTU however my ventilation knowledge was limited. it was a crash course. I I think I got it down to where if I have enough air flow coming through. I have a picture of I...
I had a 14,000 but stand up, 500 but window and wrapped in 6inch insulation..8x8 avg 80-90 with 3 hoods'. Now a 15x15 with 6 hoods..i saw the 6"-8" air coolers.. thought that would help 100%. My bill in summer (last yr. was first grow) jumped 700$ +...