Quote 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.
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.
oldmac Reviewed by oldmac on . Going CO2 need some help So heres the deal....going CO2 sealed 4X4X8 cab cool tube and looking at A/c units....I think portable dual hose would be best but I believe they still leak CO2 out...what the best way to set this up for max CO2 efficiency...I hate the idea of loosing co2 everything that damn a/c pops on. Rating: 5