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Solar PV and Ground Source Heat Pump for a Bungalow in Suffolk

Better Planet was contacted by Mr Young who had planning permission to convert a barn to a dwelling. He was interested in finding a heat pump solution in combination with underfloor heating and solar PV.

As there was plenty of land available, we proposed a ground source heat pump solution with horizontal ground collectors.

The heat pump is located in a garage and connected to the main house with buried pre-insulated pipes.

After we had installed the heat pump and the underfloor heating, Mr. Young instructed us to install a 3.4 kWp solar PV system using 10 all-black panels from LG and an inverter from Solis. A special roof mounting system allowing fixing onto the zinc roof without penetration was used.

Location: Suffolk

Project Summary:

Solar PV and Ground Source Heat Pump at a Bungalow in Suffolk

All black solar PV panels were fitted on the garage roof.

In this case, the property heat loss was 10.6 kW and we specified:

  • A Nibe F1155-12kW ground source heat pump, single phase, variable speed compressor
  • A 500-litre heat pump cylinder
  • A buffer tank
  • 4 x 200 m ground collector loops, laid at a depth of 1.2 meters, 1 meter apart
  • A ground manifold
  • Flow and return pipework connecting the manifold with the heat pump
  • Glycol as required
  • An electric meter as required by MCS
  • MCS certificate and building control notification


“I was delighted with Better Planets service from project design to completion. Professional and friendly all the way.

I am now contemplating to add a passive cooling module to the system to get cooling in the summer.”

Mr Young
Oliver Larsson Sales Manager

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