THE RESULT Ecodan has played its part beautifully with the underfloor heating manifold being supplied with all the heat it needs. Even with winter weather seeing -6°C in the village, the client was pleased to report that the house was lovely and warm with very low energy use. In fact, their unit for the year 2021 has saved the owners an estimated $1,500 in running costs compared to an electrical resistive heating system.*1 Furthermore, comparing to natural gas hot water and heating their carbon footprint is reduced by approximately by 1.87 tonnes.*2 They were also happy with the added bonus of not needing to chop firewood! *1 Assuming natural gas CO2 equivalent emissions = 0.2167kg per kWh and Electrical CO2 Equivalent emissions = 0.1287kg/kWh (source: “Summary of emissions factors for the Guidance for Voluntary Greenhouse Gas Reporting - 2016” Ministry for the Environment). *2 Based on data supplied by MBIE for 2021 of electrical charges of 29.36 c/unit and at Ecodan COP of 2.6 (source: homeowner supplied data). EQUIPMENT BREAKDOWN Ecodan Hot Water Heat Pump Outdoor Unit 8kW PUHZ-SHW80VHA Ecodan Packaged Cylinder System EHST20C-VM2C 200L Built-In Controller Flow Temperature Controller 35
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