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Project specification

  • Property type: Residential
  • Technologies installed:
  • Collector type:
  • Size (kW): 58
  • New/retrofit: Retrofit
  • Brand: CTC

The owners of this Edwardian mill house in Hertfordshire needed to replace two aging oil boilers and approached isoenergy to see if use could be make of the watercourse.

isoenergy has installed a 58kW CTC ground-source heat pump with energy collected from the mill stream using three EnergyBlades. The heat pump and tanks are installed in a building away from the main house so highly insulated pipe is used to transport the heating and hot water to the building with minimal losses.


RECC     9 1 small    5 1 small   

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