Aermec R32 unit with illuminated windows onto compressors and piping

Photo: Mariusz Młynarczyk / CloudAir.tech

Next to the "AERMEC info centre" column stands a grey-white unit marked R32, whose two lit windows expose copper refrigerant lines and blue compressors. Another unit labelled "Inverter" and R1234 stands to the right, with a large unit with coil grilles and pumps to the left.