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Hellers - NZ's Butcher
Hot Water Heat Pump
Hellers Ltd, New Zealand's best known butcher and small goods specialist, consumes a significant amount of hot water which is primarily generated by LPG fired steam boilers. They had reduced hot water consumption, and implemented heat recovery, and to further reduce costs sought alternative methods for generating hot water.
DETA Consulting proposed a high temperature heat pump for the site, utilising waste heat from the refrigeration system and boosting it to a usable temperature. This significantly reduced the need for LPG on site, however did consume slightly more electricity. Using DETA Consulting’s design, Active Refrigeration installed the system at site – only the second hot water heat pump installed in New Zealand.
1.4 GWh/annum saved. Equivalent to $148,000/yr (or the energy required to process 160,000 sheep) at a payback of 2.5 years.
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