HEATING Isentra to deliver heat


pumps for Oxford College Isentra is set to deliver innovative transcritical CO2 heat pumps for Wolfson College, Oxford, as part of a major installation by Seward Refrigeration which will aim to cut carbon emissions on its main estate by 75% by March 2022.


T


he heat pumps will be major contributors to the emissions target alongside refurbishing windows with


triple-glazed glass.


The college is aiming to cut emissions from its estate and be net zero by 2030 at the latest.


Max Fordham LLP, the environmental building services engineer who completed the energy audit and decarbonisation plan for the college, established that changing from single glazing and improving insulation will reduce


building heat loss by 80%, while replacing gas boilers with CO2 heat pumps will reduce carbon footprint by 75%. The Government is funding half of the £10m cost through a grant aimed at decarbonising the public sector. The flat-roofed main buildings will also see increased insulation and the installation of more photovoltaic panels, while all lighting will be upgraded to LED. A 1MWh electrical storage battery is planned to draw electricity at peak times.


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Isentra managing director Daniel Clark


said: “As the governments of the world wake up to the need to invest in new technologies to prevent climate disaster, Wolfson College is leading the way with the installation of these heat pumps. "Heat pumps, as a technology, are currently woefully underused with respect to the environmental savings they can provide, so we hope many more institutions will follow Wolfson College’s lead in the uptake of this available and highly effective solution.”


www.acr-news.com • November 2021 29


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