Any airtight home will require a heat exchanger to provide the necessary ventilation. The source of heat or cooling doesn't matter. (Wood stoves and furnaces

Any airtight home will require a heat exchanger to provide the necessary ventilation. The source of heat or cooling doesn't matter. (Wood stoves and furnaces require make-up air, which should be supplied directly, not by infiltration.) For example: https://www.venmar.ca/air-exchanger.html https://www.venmar.ca/air-exchanger.html