GSHPA members providing diagnostics and repairs on installations by others

This page lists the members of the GSHP Association who are willing to provide servicing, diagnostics and repair of systems designed and installed by others.

For the full list of all members go to: all members of the GSHPA

Installers of Ground Source Energy Systems

Click on names to link to websites

Alto Energy Ltd

Orchard Works, Carterton Industrial Estate, Black Bourton Road, Carterton, Oxfordshire OX18 3EZ
01993 220699
Alto Energy is the UK distributor for IVT Bosch ground and air source heat pumps and is an MCS accredited installer providing a full design, supply and commissioning service.

Bushby Heating Plumbing & Gas Services Ltd

175 Main Road, Biggin Hill, Kent TN16 3JR
01959 571 867
Christopher Bushby
Bushby Heating is a well-established family business providing heating services to Kent, Surrey, Sussex and Greater London. MCS Approved for ground & air source heat pumps, heat recovery, solar thermal and PV technologies as well as providing gas and plumbing services. Our staff are trained to work on heat pumps to a high standard, we can fault find and repair all aspects of heat pumps.

Elite Renewables

Units 14 & 15 Redlands Centre, Coulsdon, Surrey CR5 2HT
020 8706 0056 / 07827 948917
Martyn Fowler
Elite Renewables installs heat pumps in London and the Home Counties, working in the domestic and commercial sectors. Elite Renewables Ltd can design, install, service and repair all makes and models of ground source heat pumps.

Enercret Ltd

Adamson House, The Towers, Wilmslow Road, Didsbury Manchester, M20 2YY
0161 955 4718
Andrew Schilling
Enercret provides detailed planning, simulation and construction of shallow geothermal energy systems, local and district heating networks as well as anergy networks with drilling probes, energy piles, diaphragm walls, horizontal absorbers and special absorbers.


EnergyZone, Ditton Mill House, Cleobury Mortimer, Shropshire DY14 0DH
01299 270 011
Andy Perkins
Energyzone has solved many different problems on existing heat pump installations including problems with ground loops that are not working or are too small, systems that are inefficient and cost too much to run and systems where the heat pump is providing insufficient heat. We work form a sound engineering base and understand heat pumps in great detail to be able to quickly identify potential issues and offer solutions.

G-Core Ltd

Unit 4, Church Meadows, Haslingfield Road, Barrington, Cambridge CB22 7RG
01223 941070 / 07554 458119
Service, maintenance, fault diagnosis and remediation works for ground source and geothermal heating and cooling systems. Commercial and large domestic projects.

Geo Green Power Ltd

Green Barn, Costock Road, Wysall, Nottinghamshire NG12 5QT
01509 880 199
James Cunningham
Geo Green Power installs and maintains solar power, ground source heat pumps and biomass systems for both commercial and domestic projects. Geo Green Power have a dedicated team of qualified and certified plumbers who install ground source heat, air source heat and biomass boiler heating systems. Whether we fitted your system or not, we are available to service, maintain and repair ground source heating and other renewable installations throughout the UK.

Geothermique Ltd

Stowe Castle Business Park, Stowe, Buckingham, Buckinghamshire MK18 5AB
01280 830001
Geothermique design and install ground source heat pumps, air source heat pumps and water source heat pumps for the domestic and commercial markets. Investigation and reporting of heat pump performance and design appraisal. Heat pump performance monitoring and data collection. Assistance with commercial RHI applications.

Hex Energy

Unit 5, Hope & Aldridge Business Centre, Weddington Road, Nuneaton, Warwickshire CV10 0HF
02476 999382
HexEnergy design supply and install GSHPs with Ground Source Consult Ltd. We are able to offer full forensic investigation of heat pump performance, control issues and design evaluation. We would then action if required remedial works identified to arrive at a heat pump system that is fit for purpose and works well. We operate in the commercial and residential markets and offer expert witness services.

isoenergy Ltd

The Stables, Meath Green Lane, Horley RH6 8JA
012 93 821345 - Jackie Box

isoenergy offers the following technical support services throughout the UK:

Matrix Energy Systems Ltd

Unit 7 Highgrounds Industrial Estate, Worksop, Notts S80 3AF
0114 399 7960
Paul Leedham
Matrix Energy Systems provides accurate thermal modelling for building heat loading and cooling patterns as well as full M&E services for optimal system design and performance. We design, install, commission, handover and maintain all of our projects. We have intervened on the behalf of manufacturers and end users to rectify poorly installed systems carried out by others for over 10 years. Please include a detailed description of the problems you are having along with the make and model of your installed equipment.

Nicholls Countryside Construction t/a Nicholls Boreholes

Brownings Barn, Glasshouse Lane, Kirdford, West Sussex RH14 0LW
01403 820750
Ben Nicholls
Nicholls Boreholes is an experienced borehole drilling company that supplies, fits and looks after water boreholes, vertical ground source heat pump boreholes, GSHP systems and deep bore soakaways for houses and businesses and cathodic protection boreholes. We deliver a comprehensive service with our own in house team undertaking every aspect of your project from site survey to final checks and aftercare service. Our borehole drilling equipment is designed to access sites of all sizes with minimum impact and disruption.

Orangehouse Renewables Ltd

Unit 7, Meadow View, Uffington Road, Stamford PE9 4SZ
01780 490095
Alex Driver
Orangehouse Renewables offer annual service agreements and have successfully identified faults and repaired heat pumps from a wide range of manufacturers.

The Fuel Effect

5 Exeter Close, Tonbridge, Kent, TN10 4NS
01732 354205 / 07821 428193
Peter Wickens
We have been installing and maintaining ground source heat pumps for over fifteen years and have experience of many types of systems in a wide variety of locations. We work as service partners for a number of manufacturers and so have access to spares and technical information that can facilitate faster diagnosis and repair of systems.

Consultants on Ground Source Energy

Click on names to link to websites

Ground Source Consult Ltd

Unit 5, Hope & Aldridge Business Park, 183 Weddington Road, Nuneaton, Warwickshire CV10 0HF
02476 629762
Andy Howley
Ground Source Consult Ltd has been diagnosing and rectifying poor performing GSHPs over many years. With our design experience we are able to reverse design all manner of heat pump systems to enable us to understand the system performance and compare this to the original design and evaluate remedial requirements to bring the systems up to client expectations.

Infinitas Design Ltd

Junction Studios, 87 Uttoxeter Old Road, Derby DE1 1NG
01332 854639 / 07813 069940
Laura Bishop (Director)
Infinitas Design Ltd is a heat pump systems design and development company. Our experience of designing systems means that we can quickly assess and give practical advice on systems that are not working as expected. We are not affiliated with any installer or heat pump manufacturer and can offer a fully independent assessment. We are registered with RECC as an independent assessor of MCS accredited heat pump installations. We cover commercial and industrial heat pump systems as well as domestic units.

Lùths Services Ltd

0845 468 0015
Dan Gates 07449 706 583
Dan Gates is an independent building services engineer who runs a Glasgow based engineering consultancy which specialises in low energy and renewable design and implementation, including heat pump consultancy. Independent service engineer - suitable for due diligence; disputes and trouble shooting.