Colt’s environmentally friendly air conditioning

colt
The Colt-Caloris water-source heat-pump system is providing air conditioning in the new cardiology day unit at Princess Alexandra Hospital in Harlow.
Colt International has completed its first water-source heat-pump installation in the UK to provide energy-efficient climate control to the newly opened cardiology day unit at Princess Alexandra Hospital in Harlow. The project follows over 50 installations in Europe, particularly Holland and Germany. Colt’s brief was to supply an air-conditioning system to the treatment rooms, laboratory, X-ray room, all offices and the open-plan reception area. Each room required its own independent temperature-controlled heat-pump system. The Caloris system is based on water being pumped around a building — not refrigerant. Over 600 units have been sold in Holland since its launch in 2003. Menno van der Hoff, HVAC product manager for Colter International BV, says, ‘I truly believe that VRF systems won’t be so popular in 10 years’ time. Although currently fashionable, these systems do not supply the level of energy efficiency, flexibility or environmental safety as a water-source heat-pump
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