0 Special offer on General Class Inverter Cassette Air Conditioners Midea Factory - Agent Warranty. 1 - General Class Cassette Air Conditioner 35800 BTU Hot/Cold Inverter. Price includes tax, without installation: 6150 Riyals. 2 - General Class Cassette Air Conditioner 21600 BTU Hot/Cold Inverter. Price includes tax, without installation: 3700 Riyals. 3 - General Class Cassette Air Conditioner 18200 BTU Hot/Cold Inverter. Price includes tax, without installation: 3600 Riyals. 0 Price for installing one air conditioner: 500 Riyals. Price per meter of copper pipe: 75 Riyals.