How much does an AC repair cost?

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Price guide

£12 - £3,500







Low, median and high bar chart distribuiton

British summers can be quite brutal, especially if you don't have air conditioning to fight the heatwave. But if you have an AC, it’s best to check and repair it before hot days come around. Nowadays, AC repair costs typically range between £60 to £690. But this can still go up or down, depending on your AC's brand, age, horsepower, and more. 

If you've been Googling how much it costs to fix an AC refrigerant leak or AC tune-up, you've come to the right place. Keep scrolling and read through this price guide to help you learn more about the factors influencing aircon repair costs.

Average AC repair cost based on service type

Wondering how much an AC leak repair costs or what an AC condenser repair costs? Check out this table for the prices for each aircon service:  

AC tune-up


AC freon or refrigerant leak repair


AC capacitor replacement


AC condenser replacement


AC compressor replacement


Average AC repair cost based on unit type

Different air conditioners (from window type to inverter) are made up of distinct parts, so the price to repair them will vary, too.

Various home AC system repairs (Window, Inverter, Split, or Multi-Split)


VRV system repairs


HVAC replacement

£3,500+, varies per system

a technician repairing an AC unit

Factors that affect air conditioning repair costs

Not all air conditioners that need repairing will cost the same. The following variables will give you an idea of what might dictate the total costs.


Some AC brands will cost more to repair if they need more expensive parts. For instance, less popular aircon brands and the latest aircon models may have fewer parts available. Likewise, popular air conditioners from well-known brands may cost cheaper to repair if they use generic parts. 

Size and power

Larger air conditioners, including those with more horsepower, may require more time to repair. Hence, increased labour costs and more expensive replacement parts. Smaller air conditing systems tend to be less pricey since parts replacements are smaller and, thus, cheaper. 

Unit type

Got both a window-type aircon and a split inverter type? Both units may cool your house, but they'll cost differently to repair since they require different parts to be tuned up or fixed. The repair specialist may also charge a little extra if the aircon unit requires components that aren't easily accessible. 

Warranty coverage

If your AC unit suddenly breaks and needs parts replaced or fixed, check its warranty to see if it covers it (as some do). But if the warranty period is over, prepare to shell out a couple more quids to buy the necessary parts.


Aircon leak repair costs, aircon gas leak repair costs, and more can be cheaper during spring since not many people buy or maintain an AC system or unit. Booking a service during spring may also be easier and more affordable, as businesses won't be as fully booked as they tend to be during summer.


Aircon specialists or professional HVAC technicians who travel hours to get to your house will charge a different rate than if you hired someone closer. Moreover, aircon repair costs in urban areas are more expensive compared to locations outside the city. 

an AC repair specialist unscrewing the compressor unit of a split-type air conditioner for repair

Signs your air conditioning system needs repair

Air conditioners provide more than cool your home. But it can run into trouble when used constantly for some time. That’s why it’s important to spot the problems before it’s too late.  Look out for these signs so you can get your air conditioner cleaned and repaired as soon as possible.

It blows warm air

This indicates there could be a problem with the compressor or refrigerant. The good thing is it’s easy to fix this, so you’ll have cold air in no time.

Weird odours 

Does the aircon emit air that smells pungent or musty? A wire could be burnt and needs replacement, or there could be mould in the unit, which could affect your health.

Loud noises

Air conditioners run fairly quietly. If you suddenly hear squealing, grinding, or other loud sounds, it's better to have it checked soon to rectify any internal issues and prevent them from worsening.

Leaks around the unit

Leaks or unusual moisture around your aircon could mean something's blocking the drain that's supposed to channel condensation away from the unit. While this isn't a big emergency, you'll want to repair your AC soon to prevent mould from growing.

High humidity levels

Air conditioners are supposed to pull humidity from a room. If you notice the air feels sticky in your room or water pooling around your windows while the aircon is on, it's time to check it for possible problems.

Related read: How much does air conditioner installation cost?

Post a task to get your aircon repaired!

Are you currently experiencing AC problems? Find your ideal aircon repair technician by posting on Airtasker, reviewing the offers, choosing someone, and arranging a time and date to schedule the repairs and replacements. Don’t forget to include these in your listing:

  • Air conditioner brand and model
  • Your location 
  • Major or minor repairs?
  • Issues noticed
  • Equipment provided, if any
  • Additional services required
  • Warranty coverage, if any

Remember, the more detailed your listing is, the easier it will be for the repairman to send a quote! 

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If your air conditioning system is over ten years old, it may not be worth repairing anymore as it might not run as efficiently as it did when it was new. If it's under ten years old, it's better to have it repaired than to buy a new one. Consider the severity of the issue and your needs to make an informed decision. 

Generally, they perform a full physical, and electrical inspection test of the air conditioning unit—from the thermostat, electrical connections, condensate drain line, and system controls down to the air filters.

Air conditioners can last an average of 12 to 15 years if maintained properly. To ensure it doesn't break down in the middle of a heat wave, have it serviced once a year, so it's ready for summer. This will also prevent any headaches or additional expenses if parts need to suddenly be replaced because they weren't properly maintained. 

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