Home Improvement Questions? Ask a Handyman for Answers
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The simple inexpensive solution is to just install a dampered exhaust fan in conjunction with a corresponding motorized damper inlet vent and periodically (either on a timer or manually) switch both on/open. The problem with this is that you'll introduce hot and/or humid air into the space in Summer and cold air in Winter. The solution to that is to install an air to air heat exchanger which conditions incoming air so it won't adversely impact the conditioned inside air space. But these heat exchangers are neither simple or cheap.
Yes you could just open the doors. You could just use fans to circulate the air throughout the building.