I’m getting ready to build a grow room inside my garage, I’m currently in a tent but need to switch to the room to be able to insulate the room and get better use out of my ac unit and heat. I’m curious as to what most people do for venting in this type of set up? It defeats the whole purpose of insulating the room if I’m venting in hot air. Thanks
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Completely sealed rooms usually have no outside air ventilation and instead are setup with constant co2 supply with a tank and regulator. This type of setup gives you complete control over the environment with all the necessary equipment. You can even run an carbon filter in the room without venting outdoors if odor is a concern.
If you just want an insulated room that is not completely sealed, the ideal setup would be having a separate room to use as a lung room. You would have all of your environmental equipment in there and recirculate the air into the grow. An unsealed room that you enter daily should have no problem maintaining ambient co2.
There are different ways to go about it depending on the natural environment you’re working with, but that is a general idea that works.
With a truly sealed room, you are NOT ventilating at all. Instead, you use an AC and a dehumidifier to control your environment.
In a ventilated room, you use air exchanges to remove heat and moisture, and to also replenish co2.
In a sealed room, you use an air conditioner to remove heat, a dehumidifier to remove moisture, and a co2 tank/generator to replenish co2
These are two different approaches to running a grow room, and you sorta need to commit to one or the other for them to work properly.
Running a sealed room can give you a big boost in performance, but it also takes a big investment to setup the room, and to keep it running. You need an ac, dehumidifier, co2 system and there are monthly expenses to run all that equipment.
Ventilated rooms are way cheaper to setup and usually cost less to run, but they typically give you less precise control over your environment. They also limit you to ambient co2 levels, since you aren’t able to effectively take advantage of supplemental co2.
Both types of setup can work great, it kinda just depends on your budget and your situation.