How to bring fresh air in the grow room on colder months?

Hello there. I’m setting up my grow room a little different now, to try to bring in more fresh air from outside.

But what do you guys do in the cold winter months? I was thinking maybe set up a timer for like 1 minute out of every 5-15 minutes? I guess it all depends how cold it is, right?

I’d love to hear how some of you guys solved this problem yourself. Thanks in advance. Stay safe and keep growing!

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Set your intake vent/outtake fan on a thermostat.

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Hey Scissor-Hanz…thanks for your reply. Lol, dunno why I didn’t think of that. But now I’m curious as to which kind of thermostat would work best for a 5x5 tent? I typed in thermostat on ebay and was bombarded with offers, but honestly, I don’t know what kind I need.

Is there a specific type/kind I should look for? Any additional help would be greatly appreciated. Thanks.

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Automate wqith sonoff stuff and have it run itself @Tokey