grow room air conditioner

I have a 20x20 room in my house. The plan is to put 3 Mars Hydro 5x5 tents with the 3000 LED lights. The tents will be sealed. My house is fairly new and well insulated. I plan to seal the door with copper flange and the two small windows with caulk. I live on the Gulf Coast. I am looking...

What type of AC is often recommended for a sealed room with CO2 supplementation? I want to make sure too much CO2 doesn't get sucked out of the room. Thanks!

One of the best ways to control heat in the grow room is to add air conditioning. And, like almost all things horticultural, that requires some basic calculations. Air conditioners are rated based on BTUs, or British Thermal Units, which is a measure of how much heat energy it takes to raise the...