Repairs in and around the East Midlands

Air Conditioning Repairs Nottingham, Derby & Leicester

When an air conditioning unit breaks down, getting it back up and running quickly matters, whether it is a single domestic unit or a system serving a commercial premises.

Lee Jackson Air Conditioning provides air conditioning repairs across Nottingham, Derby and Leicester. Our repairs are carried out by experienced, F-Gas registered engineers.

We can diagnose the fault, give you a clear quote and get the work done with minimal disruption.

In Search Of An Air Conditioning Repair? We’re At Your Service!

Whether you need a repair on a domestic unit or a larger commercial system, Lee Jackson’s engineers bring hands-on experience across a wide range of makes and models. The team works across Nottingham, Derby and Leicester, attending site promptly and carrying out repairs with minimal disruption to your home or business.

Our engineers are experienced with all the leading manufacturers, including Mitsubishi, Fujitsu, Panasonic, Samsung and Daikin, covering domestic, commercial and industrial installations. Each manufacturer has its own diagnostic requirements and fault patterns, and our team has the training and equipment to work across all of them accurately.

To discuss a repair or arrange a site visit, please get in touch with our team.

The Air Conditioning Faults We Repair

✅ – Blocked or dirty filters restricting airflow and reducing efficiency

✅ – Capacitor failures preventing the unit from starting

✅ – Compressor faults causing the unit to run but fail to cool or heat effectively

✅ – Drainage blockages leading to water leaks or moisture around the unit

✅ – Electrical faults affecting startup, operation or remote control response

✅ – Fan motor failures resulting in poor airflow or unusual noise during operation

✅ – Faulty thermostats preventing the system from reaching or maintaining the correct temperature

✅ – Ice build-up on the evaporator coil, typically caused by low refrigerant or restricted airflow

✅ – Refrigerant leaks causing the unit to blow warm air or lose cooling capacity

✅ – Sensor errors and error code faults across Mitsubishi, Daikin, Fujitsu, Panasonic and Samsung systems

Remember, it’s also important to schedule regular maintenance of your air conditioning unit. Doing so will help prevent the above issues, plus ensure your system is operating efficiently.

Commercial Air Conditioning Repair

With access to the UK’s best manufacturers including Mitsubishi and Panasonic, also means we have the devices and resources to repair modern, high-tech units which may need technical work or a part replacement. Our commercial repair service offers solutions for any commercial air conditioning unit, whether that be a wall-mounted or floor-mounted system.

Our team of engineers have experience in a range of industries including open warehouses, offices and car showrooms, all operating different unit types in different shapes and sizes. So, if you’re a business owner looking for a commercial air conditioning repair solution, get in touch by phone or email and our team will be happy to help or find out more about our big-name partners below.

Book an air conditioning repair check-up today

Fill out the form below and one of our team will be in touch to book your air conditioning check-up.

Air Conditioning Repairs For Commercial And Domestic Properties

Give us a call and let’s get your unit looking brand new!

0800 949 9070

Air Conditioning Repair Service FAQs

Do you have any questions about getting your air conditioning system repaired? We’ve answered some of the most popular queries below.

For anything else, please give our friendly technicians a call on 0800 949 9070.

How Much Does Air Conditioning Repair Cost?

The cost of an air conditioning repair depends on the nature of the fault. Minor issues such as a blocked filter or a faulty thermostat are typically straightforward to resolve, while more involved work such as a refrigerant recharge or compressor repair will sit at the higher end of the scale.

At Lee Jackson, we assess each unit individually and provide a clear quote before any work begins. Please get in touch for a free estimate.

Is It Worth Repairing An Air Conditioning Unit?

In most cases, yes, it is worth repairing an air conditioning unit. This is so long as the unit is less than ten years old and the fault is mechanical rather than a fundamental failure of the compressor or heat exchanger.

Repairing a well-maintained unit is almost always more cost-effective than a full replacement. Our engineers will give you an honest assessment of whether repair or replacement makes more sense for your system, with no pressure either way.

How Long Does An Air Conditioning Repair Take?

Most standard repairs can be completed within a single visit, typically lasting two to four hours depending on the fault and the type of unit. Where a part needs to be ordered, a follow-up visit will be arranged as quickly as possible. We cover Nottingham, Derby and Leicester and aim to respond to repair enquiries promptly.

What Are The Most Common Air Conditioning Faults?

The faults we deal with most frequently include refrigerant leaks, which cause the unit to blow warm air. Also, blocked or dirty filters reduce airflow and efficiency, as well as faulty thermostats that prevent the unit from reaching the correct temperature; and electrical issues affecting startup or operation.

Compressor faults are less common but do occur in older systems. If your unit is making unusual noises, struggling to cool or heat effectively or displaying an error code, get in touch, and we can diagnose the problem.

When Should I Replace Rather Than Repair My Air Conditioning Unit?

Replacement tends to make more sense when the unit is over ten to fifteen years old. Also, when repair costs approach or exceed half the value of a new system or when the same fault is recurring despite previous repairs.

Older units may also use refrigerants that are now being phased out under F-Gas regulations, which can make ongoing repairs both costly and impractical.

Our engineers will advise you honestly on which option makes better long term sense.

Do You Repair All Brands Of Air Conditioning Units?

Yes. Our engineers have experience across the full range of leading manufacturers, including Mitsubishi, Daikin, Fujitsu, Panasonic and Samsung. Whether you have a wall-mounted, floor-mounted or ducted system, domestic or commercial, we can diagnose and repair it.