Commercial air conditioning service & repairs

Commercial air conditioning faults, diagnosed and repaired.

When your air conditioning develops a fault, you need to know what's wrong and what's required to put it right. We provide professional fault finding and repairs for commercial air conditioning systems across Manchester and the North West.

  • Fault finding
  • Diagnostics
  • Repairs
Coletrup Cooling engineer testing a commercial rooftop air conditioning unit with refrigerant gauges

What we do

Commercial fault finding and repairs.

  • Fault finding

    Thorough diagnostics to identify the cause of the fault, not just the symptoms.

  • System diagnostics

    Testing system operation and components to pinpoint performance and operational issues.

  • Repairs

    Professional repairs carried out to restore your system to correct operation.

  • Parts replacement

    Replacement of faulty components where required to get your system back up and running.

Common issues

Signs your air conditioning needs attention.

  • Not heating or cooling properly

    System running but struggling to reach or maintain the required temperature.

  • Uneven temperatures

    Some areas heating or cooling effectively while others remain uncomfortable.

  • Water leaks

    Water dripping or leaking from the indoor unit.

  • Unusual noises

    Rattling, buzzing, clicking or other unusual sounds during operation.

  • Error codes

    Fault codes, warning lights or error messages showing on the controller.

  • Electrical faults

    Systems tripping, cutting out, failing to start or losing power.

How can we help?

Request a quote in a few quick steps, or message us on WhatsApp — whichever suits you.

On the job

Real work, carried out properly.

A ceiling cassette unit being deep cleaned during a service visit, with a cover fitted to catch the water.

Ceiling cassette air conditioning unit being deep cleaned, with a cleaning cover fitted and draining into a bucket
Ceiling cassette deep clean

Beyond the repair

Keep your systems running reliably.

Once your system is back up and running, regular servicing can help identify developing issues early, maintain performance and reduce the risk of unexpected breakdowns.

For businesses requiring ongoing support, we can provide planned maintenance tailored to your systems, premises and servicing requirements.

Common questions

Commercial air conditioning repair FAQs

Answers to common questions about commercial air conditioning fault finding and repairs.

Can't find what you're looking for? Ask us on WhatsApp or request a quote and we'll come back to you.

Do you diagnose the fault before carrying out repairs?

Yes. We carry out fault finding and system diagnostics to identify the cause of the problem before recommending the appropriate repair. We'll explain what we've found and what work is required.

Do you repair systems in offices, shops and hospitality venues?

Yes. We provide fault finding and repairs for commercial air conditioning across offices, retail, hospitality and other commercial premises. We work on a wide range of systems such as split, multi-split and VRV/VRF systems.

Can regular maintenance help reduce breakdowns?

Yes. Regular servicing can help identify developing issues before they lead to more serious faults. While not every breakdown can be prevented, planned maintenance can help improve system reliability and reduce the risk of unexpected problems.

Related services

Get a quote

Request a commercial quote.

Four quick steps. No long forms, no photo uploads — just what we need to help.

  1. 1 What you need
  2. 2 Home or business
  3. 3 Your postcode
  4. 4 Your details

Prefer to talk? WhatsApp us or call 07367 751704.

What do you need? Choosing an option moves you to the next step.
Residential or commercial? Choosing an option moves you to the next step.
Where are you located?

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Your details

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Having problems with your air conditioning?

Tell us what's happening and we'll help identify the fault and get your system back up and running.

Accreditations & qualifications