West Sussex · Air conditioning repair
Air con repairs in Highleigh
Fault finding and repair for split, multi-split, ducted, cassette and VRF air conditioning, whatever the brand, in Highleigh and nearby. Ask us for a fixed-price quote, and we’ll reply the same working day.
- A unit that will not start
- Weak airflow from the indoor unit
- A unit blowing warm air
Air conditioning repair in Highleigh
Older systems raise a fair question: repair or replace?. A fan fault on an older unit can be worth fixing, while a compressor failure may tip the balance. You get an honest view based on the fault, the parts, the refrigerant and the room. The work covers wall-mounted split systems, ducted systems and VRF systems, and the jobs we see most are water leaking from the unit or through the ceiling and air conditioning running but not cooling.
Around Highleigh, repairs tend to be home systems, garden rooms and a few businesses. Describe the fault and send a photo of the unit’s label so we can plan the visit.
Equipment warranty comes from the manufacturer, on its own terms, and we set them out on your quote. Each brand sets its own conditions, and we are happy to talk you through them.
- Where
- Highleigh (PO20)
- Wider area
- West Sussex
- Replies
- Answered the same working day
- Typical price
- £75 + VAT call-out, then a fixed repair price
- Quote
- Fixed-price quote after a site survey
- Credentials
- NICEIC and F-Gas
- Phone
- 07833 053749
- Updated
- 30 October 2026
What happens if it’s left?
For a faulty system in Highleigh, an early diagnosis is the sensible first step. The visit takes a single visit for many faults, while some repairs need a second visit once parts arrive, and the repair is priced before anything else happens, and our emergency line runs 24/7. Small faults tend to grow, so it’s worth dealing with them early.
Homes, offices, shops and public buildings are all priced the same way: what’s needed, how we reach it, the parts and the labour. Ask for a fixed-price quote and we will explain each part.
Why choose AirCon Doctor in Highleigh
- Members of Checkatrade
- One number for homes and businesses across London and the South East
- Electrical work covered by our NICEIC approval
- A reply the same working day
Take a look at how installs are priced and our accreditations and certificates.
Also near Highleigh
What else we do in Highleigh
FAQs for Highleigh
Will you come out to Highleigh?
Yes. Highleigh is within the area we cover across London and the South East. Visits to smaller places are planned so the engineer arrives with what the job needs.
Who do I call if my air conditioning fails in Highleigh out of hours?
Yes. Our 24/7 emergency line covers Highleigh. A diagnosis call-out starts from £75 + VAT, and knowing the brand and the symptoms helps us plan it.
Do you offer maintenance contracts?
Yes. We offer maintenance contracts, with visits at the interval your system and the manufacturer need. Each visit is written up and F-Gas records kept where they apply.
Is it legal to repair an R410A system?
Yes, repairs and recharges on existing R410A systems remain legal. R410A is getting scarcer and dearer to buy as the GB phase-down tightens and we talk through repair against replacement for older systems.
Is the equipment covered by a warranty?
Warranty comes from the manufacturer and depends on the brand and product. Daikin, for instance, gives a standard 2 years on split air conditioning and we explain the terms for your brand on the quote.
Which manufacturers do you install and repair?
We work with the leading brands, including Mitsubishi Electric, Daikin, Fujitsu, Panasonic, Toshiba, LG, Samsung, Mitsubishi Heavy Industries and Hitachi. Tell us the make and model and we will take it from there.
My system uses R22. Can it be repaired?
Most of the time, we recommend replacement. R22 can’t be topped up with new gas, and parts for old models are scarce, so a new system on a modern refrigerant is normally the better investment.
How the visit works
Anything involving refrigerant is handled by F-Gas qualified engineers, as the law requires, and electrical work is done by us as NICEIC approved contractors. On the day, both are in the same hands. On site, it takes an hour or two to diagnose most faults, with the repair time depending on what we find. A few photos help us make the most of a visit to Highleigh.
- Diagnosis comes first: codes, electrics, airflow, drain and refrigerant.
- Prescribe: tell you the cause and the fixed cost of the cure.
- If the repair isn’t worth doing, we say so and explain the options.
- The treatment: the repair itself, with any leak found and fixed before recharging.
- The sign-off: the system tested in operation and the work recorded.
Before we arrive
- Let us know where we can park and unload
- Give us access to the outside wall, roof or yard where the outdoor unit sits
- Tell us about any building rules, permits or sign-in
Getting a quote
To help us quote: where the property is and what kind of building it is, a few photos, the brand and model of anything already fitted and anything you’ve noticed, such as an error code or a noise. Once you have those, ring us on 07833 053749 or write to us at info@aircondoctor.co.uk.
Advice
What a repair looks like in Highleigh
Highleigh lies within about 2 miles of the sea. On a coastal repair, we look at the outdoor unit for corrosion as well as the fault you called about. On the National Heritage List, around 11 entries fall within 0.5 miles of the middle of Highleigh; Brook Cottage (grade II) is one. For most visits that makes no difference. It only comes up when an outdoor unit has to be replaced on a protected building. About 77% of households live in detached or semi-detached houses, according to the 2021 Census. A photo of the outdoor unit and its surroundings tells us what access the visit needs.
When cooling fails at a school like Sidlesham Primary School, we can time non-urgent repair work around lessons. If the display shows a code, write it down: it helps narrow down the fault.
Highleigh is about 3 miles north of Selsey, in West Sussex. Across the PO20 area, we cover air conditioning repair. Highleigh is one of 371 towns, villages and districts in West Sussex we cover. There’s also a page for Worthing, about 18 miles away.
Not far from Highleigh, a recent job of ours was on East Street, Chichester (PO19), about 4 miles north: installing a Daikin wall-mounted unit in the dining area and a second unit serving the kitchen pass area.
We cover homes and businesses on Critchel's Lane, Highleigh Road and Green Lane and nearby roads. All of PO20 is within our area, from the main roads to the quietest streets. Places around Highleigh that are also on our list: Almodington (1 mile west), Birdham (2 miles north-west), Somerley (2 miles west), Earnley (2 miles west) and Shipton Green (3 miles north-west). Further out, we also cover Bognor Regis (5 miles east), Chichester (4 miles north), Selsey (3 miles south) and Littlehampton (12 miles east).
Local landmarks in Highleigh
Highleigh’s nearest station is Chichester station, about 3.9 miles north of the centre. Other landmarks nearby include Chichester Castle (4.5 miles north) and Selsey Lifeboat Museum (3.5 miles south). Not far away are Pilsey Island.
Safe owner checks
Some faults have simple causes you can check first: is the system in the right mode, is the set temperature sensible, are the remote’s batteries working and has the breaker tripped. If a breaker trips again after you reset it, leave it off and call us on 07833 053749 or use the quote form.
Keep a note of anything odd: an error code, a new noise, a drip, a smell or a change in how well the system heats or cools. It helps us diagnose quickly, and a photo or a short video of the display is even better.
Landlords, agents and facilities managers
The F-gas rules share responsibility for leak checking between the equipment’s operator and the service technicians. Where a building is let or managed, the lease or contract should make clear who looks after the system and we’re happy to deal with whoever it is.
Where a tenant occupies the property but the landlord owns the system, the lease or tenancy agreement normally sets out who maintains what. We are happy to deal with either side and send the records to whoever needs them.
What a customer said
“Office air con broke down in the July heatwave. Called at 8am, engineer was here by noon and fixed within 2 hours. Brilliant emergency response. They now hold the service contract for the whole building.”
James T., Crawley, office manager