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Borehole drilling at 900kW ground-source heat pump installation

03 May 2022

As part of its Zero-Carbon Schools initiative, managing contractor ReEnergise is transforming the carbon footprint of St George’s College in Weybridge, Surrey, installing four Viessmann heat pumps.

Initial groundworks have been completed at a large heat pump installation at St George’s College, Weybridge. In late January, the sole remaining drilling machine made the last of 132 boreholes in fields that will be returned to use as sports pitches and for outdoor events. 

Now follows the installation of four 230kW Viessmann Vitocal 300-G Pro ground-source heat pumps. These replace the school’s previous gas heating system as the main heat generator in an adapted plant room in the college’s Kean Building complex. Once commissioned, the new heating system will save about 250 tonnes of CO2 per year.

Read the full article in the May issue of DPA

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