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Project specification

  • Property type: Community
  • Technologies installed:
  • Collector type:
  • Size (kW): 100
  • New/retrofit: Retrofit
  • Brand: EcoForest

Loughton Methodist Church was previously heated with 30 year old natural gas fired boilers. As these boilers were coming towards the end of their useful life, the church looked into the possibility of becoming carbon neutral to reduce their impact on the environment. It soon became clear that if the church were to source its electricity from a renewable source and then install a ground source heat pump, the carbon foot print could be reduced to virtually nothing. isoenergy conducted a review of the heating requirements at the church and specified a 100kW ground source heat pump to provide 100% of the spatial heating for the church. Energy is collected by eight 160 meter boreholes in the car parking area. Boreholes were the only feasible option as there was insufficient space for a horizontal collector array due to the urban location of the church. The heat is emitted into the building using the existing radiator circuits which required just a few radiator upgrades.

isoenergy was asked to design a system that would respect the building and heat the section currently lived in my the owners. A number of options were available tfor providing heating, but the near by lake was a perfec heat source for a ground source heat pump.

A 100 kW Ecoforest heat pump was installed at Loughton Methodist Church to provide 100% of its heating and hot water demand. The heat pump itself is an inverter-driven, modulating output compressor, heat pump which allows a range of different power outputs between 25kW and 100kW depending on the building’s needs at the time as determined by the outside temperature. The ground loops are in 8 boreholes 160 metres deep.

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