when using airconditioning have to seal the growroom?

hi, cause of the high outside temperature and humidity I will have to use a air-conditioning in my grow room.
How should I apply ventilation when using an air-conditioned?
Do I still vent in air from outside or do I have to seal my grow room?
Any help appreciated.

ashika said:

hi, cause of the high outside temperature and humidity I will have to use a air-conditioning in my grow room.
How should I apply ventilation when using an air-conditioned?
Do I still vent in air from outside or do I have to seal my grow room?
Any help appreciated.

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You'll need some fresh air for your plants to breathe. Most air conditioners allow you to bring in fresh air. Of course you will need somewhere for the "extra" air to go. Hope this makes sense.

Air conditioners cool air by pulling heat from the room air (in a way to scientific to explain but it doesn't matter ) and passing that heat out as exhaust. If you don't vent the heated exhaust from the AC out of the space, your not really cooling anything and probably adding more heat into your grow.

yeah , of course the airconditioning throws the hot air outside, but as far as i know the is no intake of fresh air, it just circulates the inside air, isnt it??

i do not know,but my a/c sucks the air out of my room

ashika said:

yeah , of course the airconditioning throws the hot air outside, but as far as i know the is no intake of fresh air, it just circulates the inside air, isnt it??

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I have 2 window units 1 just circulates, and the other has an option to bring in air from outside too.

The air conditioner takes air in the room, makes it colder, and puts it back in the room. At the same time it makes the hot air outside hotter. The content of the air inside doesn't change unless the fresh air intake, if present, is opened. The plant needs ventilation regardless of whether air conditioning is used.