EQUIPMENT BREAKDOWN Ecodan Hot Water Heat Pump Outdoor Unit 6kW PUHZ-W60VAA Ecodan Packaged Cylinder System EHPT20X-VM2CR2 200L Built-In Controller Flow Temperature Controller *1 Based on the unit’s August 2021-October 2021 electrical consumption (1698 kWh) and heat delivery through heating and hot water (6925 kWh). *2 Based on manufacturer information for gas instant hot water heater (non-condensing). *3 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). *4 Based on data supplied by MBIE of electrical charges for 2021 of 29.36 c/unit and at Ecodan COP of 4.07 (source: homeowner supplied data). the underfloor heating. In addition, as the home features double glazing and insulation, the systems space heating is maximised. Doug the homeowner says, “The underfloor heating of the basement slab has not only given us a warm and dry living area downstairs during winter, but also we are getting some ‘passive’ heating affect upstairs in the main living area, significantly reducing the time we have the gas burner fireplace on. Normally we would go through a 45kg gas bottle a fortnight – now we’ve only needed one gas bottle replacement this winter! The system with an incorporated Hot Water Cylinder has so far provided us with all our water heating requirements as a family of 4 – while also keeping our underfloor areas downstairs at a warm cosy level throughout some pretty cold nights for our coastal North Shore location.” MONITORED RESULTS IMPRESS THE OWNERS For the months of August-October 2021, when the family were spending more time at home due to a city lockdown, the Packaged Ecodan Hot Water Heat Pump System performed with an impressive COP of 4.*1 In comparison, typical gas and direct electric heating systems can have higher running costs with COPs as low as 0.82.*2 By choosing an Ecodan Hot Water Heat Pump instead of a natural gas hot water and heating system their carbon footprint is reduced by approximately 1.65 tonnes in the 3 months since installation.*3 Furthermore, they would have also reduced their running costs when comparing to an electrical resistive heating system by approximately $1,500 or 70%*4 by selecting Ecodan. 4.04 4.15 4.04 -1.00 0.00 1.00 2.00 3.00 4.00 5.00 0 500 1000 1500 2000 2500 3000 3500 Aug Sep Oct COP kWh DHW & HEAT Input Output COP 17
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