Star Refrigeration launches duel purpose heat pump

The dual purpose Envitherm, which generates hot and chilled water simultaneously, uses carbon dioxide refrigerant with chilled water/glycol as its heat source using transcritical CO2 compression to produce high grade heat – this is capable of raising mains water to over 70 deg C in a single pass.

Dave Pearson, director of innovation, said: “With rising energy costs in the HVAC market heat pumps are becoming an increasingly attractive proposition for the building services industry.

“Utilising waste heat from air conditioning for useful heating can help cut operating costs and reduce carbon footprint. The system is may be eligible for Renewable Heat Incentives.”

Envitherm is pre-wired and features a semi-hermetic compressor, developed to achieve the pressures for transcritical operation, while each unit has a cooling capacity of 34kW and a heating capacity of 45kW – multiple units can be linked as required to achieve larger capacities.

Star claim each unit can save operators over £13k per annum.

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