A Ground Source Heat Pump system for two cottages in Oxfordshire
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A Ground Source Heat Pump system for two cottages in Oxfordshire

Case Study Details

A Ground Source Heat Pump system for two cottages in Oxfordshire

Better Planet was approached by the owner of this property in Oxfordshire who was interested in replacing two oil boilers with a heat pump system. The client was looking to reduce running costs, but there was also a strong element of environmental motivation.

Ground source was chosen over air source due to the higher efficiency of a ground source system. While there was space to install horizontal loops, it was deemed to be too disruptive to the nice garden. There for a borehole options was chosen.

Location: Oxfordshire

Main equipment
  • A 40 kW ground source heat pump from Nibe
  • A 500 litre heat pump cylinder
  • A 300 litre buffer tank
  • A heat meter
  • Internet connection to Nibe Uplink for remote control and monitoring of the system
Ground collector
  • 5 boreholes with an aggregate depth of 760 meters
  • A ground manifold
  • Flow and return pipes between the manifold and the heat pump
Services provided by Better Planet
  • Design, installation and commissioning of the system
  • A room by room heat loss calculation
  • An assessment of existing radiators
  • An Energy Performance Certificate (EPC)
Government incentive

Tariff payments over 7 years under the domestic Renewable Heat Incentive (RHI)