temp. issues. cold outside of box

whatapothead

Well-Known Member
ok to make this short as possible here is my problem. i don't want my grow boxes in the house. its getting to be winter here now and my garage is not insulated. temps over winter get to -20* F here. is there any possible way to have my box vented? its an insulated box but to get fresh air in the box it would be coming in at hella cold temps.

possible?
or
impossible?

i looked into small space heaters that have thermos in them but i think they'd just run non stop = high electric bill

lemme know
 
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