Decarbonised Energy Solutions If you are wanting to decarbonise your heating systems, talk to us. We have delivered cost effective solutions without subsidies. 4kW heat energy output 1kW electrical power input 3kW free heat energy from environment FUELED BY COAL, DIESEL OR LPG? In the New Zealand market, Decarbonised Energy Solutions (DES) has continued the development of commercial Variable Flow heat-pump technology as a clean and cost-effective solution for medium temperature boiler replacement applications. In projects to date, Variable Flow heat-pump Technology provides the lowest carbon emission heating technology available on the market today. Variable Flow heat-pumps utilize highly efficient inverter compressors and pumps to deliver heating to the building, with the heat-pumps automatically regulating output to meet the instantaneous heating needs. The Variable Flow system was developed for the Northland Hospitals in 2017 as part of the diesel boiler removal project, with the results so impressive that a new class of heat-pump was developed. Similar technology is also applied to domestic hot water systems. Two of their modular, centralised domestic hot-water systems were selected for the Toiora Cohousing project in Dunedin that recently won the Multi-unit Award at the NZIA 2023 Southern Architecture Awards. Toiora Towards zero-carbon with Variable Flow Heat-pump heating solutions Cohousing is also Aotearoa’s first certified multi-unit passive house project. Business co-founders Vaughn Cooper and Adrian Kerr are proud of the difference they are making with Decarbonised Energy Solutions. “Having all this recognition is fantastic,” says Vaughn. “As a Co-housing project, it really leads the way in showcasing the future of building systems in New Zealand.” A second, 19 unit project in Dunedin’s Student Quarter provides high quality accommodation with extremely low space and water heating requirements. As a former Dunedin Student, “the contrast with how we lived in the 1990’s is stark”, says Adrian. Another recent project for DES - at George Manning Heritage Lifecare in Christchurch - provides a template for decarbonisation of Care-home facilities. The 2022 project involved the replacement of existing diesel space-heating and domestic water heating with Magnus Variable Flow heat pumps. As well, a 30 kWp Solar PV system was installed by Sunshine Solar. Effective integration with the heat-pump system has allowed all the solar energy generated to be consumed on site, avoiding low value exports to the grid. An EECA case study of this project estimates a 97% decrease in annual carbon emissions for heating and annual cost saving of nearly $138,000, (for a payback period of just four years), and without subsidy. “The complete system now runs on less electricity than the site previously used – bringing huge operational cost savings - and we have completely eliminated the use of diesel.” All DES projects are supported by the InControl Remote Monitoring system allowing detailed energy performance data from the day the units are installed. A key advantage is should there be any issues, the problem can usually be identified before a technician goes to site reducing cost and downtime. Magnus Variable Flow heat-pumps are locally made to last in New Zealand condition’s salty maritime environment by Temperzone, the largest manufacturer of commercial building heating systems in Australasia. “For heat-pump to be worth the initial investment, not just financially but also the embodied energy incurred during manufacture and installation, they have to last. Units that need to be replaced after 10 years are not the answer to decarbonising our energy systems” says Adrian. The Magnus heat-pumps are designed to last 15-20 years of reliable operation, with parts being available fromTemperzone for the life of the unit. Government investment in decarbonisation of industry has opened up exciting co-funding opportunities for commercial, horticultural and industrial businesses. Magnus based systems qualify for EECA’s Clean Tech Hot-Water Heat-Pump Programme. DES is an EECA approved installer and provides all aspects of project delivery from design and supply of equipment to installation and servicing. CONTACT Decarbonised Energy Solutions Adrian Kerr - M: 021 345979 Vaughn Cooper - M: 021 482667 E: contact@decarbonised.co.nz W: www.decarbonised.co.nz
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