TEC is a range of nine small ‘blow through’ unit coolers With a wide operating range + 10 °C to -40 °C, the coolers are suitable for both high, medium and low temperature applications in areas such as reach-in and walk - in cold cabinets, small cold rooms and similar situations. We offer an expanded range of CO2 unit coolers for commercial and retail refrigeration applications. The coolers have been optimised to meet the diverse requirements of the developing CO2 system designs; variables include transcritical, subcritical and standing pressures.