Share the pattern
Describe the symptom, any message and whether the concern is constant or intermittent.
Availability confirmed from postcode and system details
Repair enquiries should state whether the system starts, heats, cycles, displays an error, leaks, or makes unusual noise, together with the exact controller message and whether the issue affects heating, hot water, or both. Do not dismantle refrigerant, electrical, or pressurised components; isolate the system only as described by its manufacturer, and use qualified personnel for safety-critical work.
Repair enquiries should state whether the system starts, heats, cycles, displays an error, leaks, or makes unusual noise, together with the exact controller message and whether the issue affects heating, hot water, or both. Do not dismantle refrigerant, electrical, or pressurised components; isolate the system only as described by its manufacturer, and use qualified personnel for safety-critical work.
Describe the symptom, any message and whether the concern is constant or intermittent.
Use your postcode, system details and requested support to confirm the appropriate availability and appointment route.
A repair or diagnostic visit is shaped around the reported fault and the system behaviour that can be assessed.
Use the booking form to provide your postcode and choose the support you need. That information is used to confirm the right next step.
These public sources inform the guide. They do not establish service availability or describe work by Heat Pumps Service.
Provide the full postcode, system type and make/model, the controller's exact message or code, a description of what is not working, and any recent changes or service records. Photographs of the outdoor unit, indoor controls, and labels can help establish the system details.
They may matter where the work changes building services, fittings, equipment, or associated construction. Middlesbrough Council says Building Control oversees building regulations and advises on conservation of fuel and power; its guidance links to the Planning Portal tool for checking whether approval is needed.