Do thermal pumps reversible cycle air conditioner provide fresh air for plants?

Greenfing

New Member
I got my two (1,2x1,2meter)growboxes standing in a 25m2 room, in the room I got a Panasonic cs-ce9hkew unit.
The Panasonic is a "thermal pump" also called "reversible cycle air conditioner" that works like a combination AC and heater where I can set it to keep a certain temperature and it will automatically change from heat mode to AC mode to keep the preset temperature.

My question; Can I close all windows to my room? Will the pump provide my plants with fresh air both in heat mode and AC mode?

Also, should I activate E-Ion mode?
 
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