B ased on the Regulation of the Minister of Health of the Republic of Indonesia Number 1096 I MENKES I PER I VI I 2011 concerning Catering Services Sanitation Hygiene, it is clear that washing units for serving and eating devices must be available in 3 types of tubs, whose functions are for the process of soaking, washing I rinsing and disinfection I sanitation. and in washing cutlery must at least use water with a temperature of 43 °C. At PT X Sunter, North Jakarta, we use Catering Services as a provider of lunch and dinner, and at the PT, it already has aplace to wash dishes I dishes. For water with a minimum temperature of 43 oc isproduced from the manufacture of a system I Heat Exchanger (HE) by utilizing heatexhaust energy from 2 AC condenser units 5 Horse Power (HP). is a modification of the capillary tube on the air conditioner from the condenser point which is extended and inserted into a water tank containing ordinary water. The HE successfully heated 300 liters of wa er in the water tank. The results of this experiment are that within 60 minute the HE is able to heat 300 liters of water to reach a temperature of 55 °C, s that with this experiment PT X Sunter, North Jakarta is able to meet the regula -wns o th inister of Health Regulation.