2020 Audi A5 Quattro. 2017-2020 Audi A4. 2017-2020 Audi A4 Quattro. Know about the AC Condenser AC Condenser: The condenser is part of the A/C system. It receives the hot, high-pressure gaseous refrigerant from the compressor and cools it to a warm liquid state, although still under high pressure.
