Going CO2 need some help

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Originally Posted by Cyclonite

hmm well im trying to get around having an exhaust and intake for the cab....I was hoping I could use a/c to keep temps and humidity in check Im going to pick up a free used window a/c and see if I can convert it into a true sealed split system via cardboard and spray foam insulation since the only connection shared by both sides is the refrigerant line.

I keep picturing if I were to go the exhaust route that the fans wouldnt stay off for more than 5min effectively wasting huge amounts of co2.

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Well most ACs can be setup to run in a "recirculate" mode that doesn't exchange air to the outside. Try to set it up that way, and just see if it accomplishes what you want.

Good luck with it.