TECOPONIC - HY2000 HYDROPONIC WATER CHILLERS + HEATINGTECOPONIC HY2000 A water refrigeration system within hydroponic systems. It is capable of cooling volumes of water up to 2000 liters of solution. The HY2000 chiller and heater comes standard with a heater built into the unit (previously, it had to be purchased and installed separately). The integrated heater offers better control over the water temperature and can be operated via the digital thermostat. Particularly suitable in those situations where