he Dometic SPX 1200C compressor unit is the core component of our new generation split parking coolers. Featuring advanced inverter compressor technology, it provides amazing cooling power genuine 1200 W (rated to ISO 5151) and two hours of uninterrupted cooling! Thanks to a smart low-voltage protection system, it makes economical use of precious battery power. Depending on the truck model you have, you can combine the compressor unit with a roof top evaporator (Dometic SPX 1200T) or an evaporator fitted to the inside of the cabins rear wall.