(Based on UK market averages)
wondering about an air conditioning service cost? The regular servicing of your air conditioning system will increase its efficiency and lifespan, reduce running costs, and help to keep your energy bills low.
There are several different types of installation, ranging from single split systems to complex VRF or VRV, and each have their individual service requirements.
Here we discuss the different service costs attributed to each type of installation and answer the most asked frequently asked questions on air conditioning service and maintenance.
Domestic air conditioners service costs…
These are commonly split or multi-split type systems. Most air conditioning companies will charge the same for all varieties of units. As a rule of thumb, a domestic air conditioning unit should be serviced once a year and will cost anywhere between £70-£120 per indoor unit. We offer price packages tailored to your needs.
Commercial air conditioners call-outs…
These are commonly VRV or VRF type systems. Our expert engineers are available for call-outs whenever you need us – whether it’s during working hours, after hours, or on weekends. We pride ourselves on providing a fast, reliable response to keep your air conditioning systems running smoothly with minimal disruption.
Planned Maintenance for Complete Peace of Mind
Regular air conditioning maintenance is essential to keep your system performing efficiently and prevent unexpected breakdowns. At Evergreen, we offer tailored planned maintenance packages designed around your specific needs. Our engineers ensure your systems are inspected, cleaned, and serviced on schedule, helping you save energy and extend equipment lifespan, all with transparent agreements and reliable service you can trust.
What is factored into the cost of my air conditioning service and maintenance?
When you request a quotation for air conditioning servicing or maintenance, several key elements are taken into account to ensure accurate pricing and a thorough service. These include:
Labour and engineer time – for inspection, cleaning, and testing.
Travel and site access – depending on your property’s location and setup.
Refrigerant checks and re-gassing – ensuring your system runs efficiently.
Replacement parts – if any worn or damaged components need attention.
System pressure testing – using OFN to confirm your system is leak-free and safe.
Reclaim cylinders – for safely collecting and disposing of refrigerant no longer required.
At Evergreen, every quote is transparent and tailored to your specific system, so you always know exactly what’s included and why.
How much does it cost to repair an air conditioning unit?
Repair costs can vary depending on the type of system, the nature of the fault, and the parts required. Below are some typical price ranges to give you a general idea of what to expect.
All prices include both parts and labour.
Indoor PCB between £300-£1000
Solenoid valves between £200-£800
Thermostat between £100-£250
Outdoor PCB between £300-£2000 dependant on the size of the system and manufacturer.
Fan motor between £200-£500
Leaks between £300-£2000 (may require re-gassing and pressure testing)
Compressor between £1000-5000 for commercial systems, or £1,000 – £2,000 for domestic units
These are indicative figures only, your final cost will depend on the fault, system type, and accessibility. At Evergreen, we always provide clear, itemised quotes before any work begins, ensuring there are no surprises and your system is restored to full efficiency as quickly as possible.
Air conditioning servicing and maintenance FAQ’s …
Here we answer some of the most frequently asked questions, however if you have any additional questions or concerns your expert AC installer will be happy to help you.
How often should I have my air conditioner serviced?
Domestic: Minimum once a year
Commercial: Minimum twice a year
F-Gas legislation states that if a building has over 500 tonnes of gas, then you must have a professional service carried out at least four times a year. For anything under that, most contractors would recommend a routine service at least twice a year.
How do I clean my air conditioner?
You may be able to carry out a basic clean yourself and can follow these steps https://www.doityourself.com/stry/do-it-yourself-air-conditioner-service. However, we would recommend a thorough service by a qualified AC engineer to keep your unit healthy and happy.
What does an air conditioning service include?
Thorough clean of the systems components such as the filters, coil, fan and drain pan plus a full health check!
Can I service my air conditioner myself?
We advise against attempting to service your air conditioner yourself, as doing so could lead to accidental damage or void your system’s warranty. Air conditioning units contain pressurised gas, electrical components, and delicate parts that should only be handled by qualified engineers.
At Evergreen, our experienced team is fully trained to service and maintain all types of systems safely and efficiently, ensuring your unit runs smoothly, lasts longer, and performs at its best all year round.
Should I repair or replace my air conditioner?
The decision to repair or replace your air conditioner largely depends on its age, usage, and how well it has been maintained. Most systems last around 10 years with proper care and regular servicing.
If your unit is approaching this age, struggling to cool efficiently, or requiring frequent repairs, it may be more cost-effective to consider a replacement. Booking a survey with a qualified Evergreen engineer will give you a clear, expert assessment of your system’s condition and honest advice on the best next step.
How do I know if my air conditioner needs to be serviced?
There are several signs your air conditioner may need attention. If you experience unpleasant odours from your air conditioner, reduced airflow, unusual noises, leaks, or increased humidity, it’s time to book a service. These issues often indicate that filters need cleaning, refrigerant levels are low, or internal components require maintenance.
A quick visit from one of our qualified engineers will restore your system’s performance and ensure it’s running efficiently again.
How long should my air conditioner last?
The lifespan of an air conditioner depends on several key factors:
Quality of installation
Regularity of maintenance
Environmental conditions (e.g. coastal exposure to salt erosion)
Frequency of use
With proper care and routine servicing, a well-maintained system can last 10–15 years or even longer. Regular maintenance not only extends your system’s life but also keeps it energy-efficient and reliable throughout the year.
What does a commercial planned maintenance visit include?
Our commercial air conditioning maintenance visits are designed to keep your systems running smoothly, safely, and efficiently. A typical service includes:
Thorough vacuuming of fan coil units (internal and external)
Anti-bacterial chemical cleaning of indoor coils
Cleaning of unit casings and filters
Visual inspection of all internal components (indoor and outdoor units)
Tightening of accessible electrical connections
Full system functionality tests
Brushing and clearing of outdoor condensers from dirt and debris
F-Gas checks and record updates
Detailed system performance report provided after every visit
Hoovering of ceiling-mounted supply and extract grilles to remove surface dust
Evergreen Air Conditioning have a dedicated in-house service and maintenance team. We offer emergency call outs, domestic and commercial servicing, and planned maintenance. Call 08081781678 or email enquiries@evergreenac.co.uk for free quotations and advice.








