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    Heating and Cooling Faults

    Heating & Cooling Faults — Diagnosis & Repair

    System not heating or cooling properly? Our HVAC engineers diagnose and fix temperature control faults in heat pumps, AC units, and combined heating/cooling systems.

    1hr Emergency Response Nationwide Coverage Qualified Engineers No Hidden Charges

    About Our Heating and Cooling Faults Service

    When your heating or cooling system isn't maintaining the right temperature, it could be a refrigerant issue, a compressor fault, a thermostat problem, or a control system failure. Our HVAC engineers systematically diagnose the cause and carry out the repair.

    We work on all types of heating and cooling systems including air-source heat pumps, ground-source heat pumps, VRF/VRV systems, split AC units, ducted systems, and fan coil units. Our engineers are F-Gas certified and trained on all major brands.

    Common Heating and Cooling Faults Issues

    Heat pump not heating
    AC not cooling sufficiently
    Temperature fluctuations
    Thermostat fault
    Compressor failure
    Control system error
    Heating and Cooling Faults engineer at work

    Why Choose Us for Heating and Cooling Faults

    F-Gas certified engineers
    Reactive and planned maintenance
    All major HVAC brands serviced
    Energy efficiency assessments
    Commercial and domestic coverage
    Emergency breakdown response

    Heating and Cooling Faults — Frequently Asked Questions

    Why is my heat pump not heating?
    Common causes include low refrigerant, a faulty compressor, defrost cycle issues, or an external thermostat fault. Our engineers test the system to identify the root cause.

    Need Heating and Cooling Faults Services?

    Get a fast quote now. Available 24/7 for domestic and commercial properties across the UK.