West Sussex · Air conditioning repair
Merston air conditioning repair
Expert air conditioning repair for Merston: a survey or diagnosis, a fixed price, careful work and proper paperwork. Ask us for a fixed-price quote.
- A suspected refrigerant leak
- Rattling, buzzing or grinding noises
- Frost on the pipework
Air conditioning repair for homes and businesses in Merston
Wondering whether the fault is something simple? A quick check of the filter, settings and remote can rule out the simple causes, and if that does not fix it, ring 07833 053749 or fill in the contact form. We reply to enquiries the same working day. The work covers ducted systems, heat pumps and multi-split systems, and people most often call us about water leaking from the unit or through the ceiling and a system that needs topping up again.
Around Merston, outdoor units often sit close to gardens and hedges, so leaves, seeds and cobwebs on the coil are worth checking first.
If a fault appears while the equipment is under the manufacturer’s warranty, tell us the make, model and installation date. We’ll explain how the manufacturer’s terms are likely to apply before any chargeable work goes ahead.
- Where
- Merston (PO20)
- Region
- West Sussex
- Accreditations
- NICEIC and F-Gas
- Price guide
- Call-out from £75 + VAT
- Quotes
- Fixed after a survey or pictures
- Call
- 07833 053749
- Page updated
- 30 October 2026
The process
Our engineers arrive at the time agreed with you and run through the plan before anything else. Dust sheets go down over floors and anything close to the work, and the electrics are made safe before any panel comes off. On site, it takes a single visit for many faults, while some repairs need a second visit once parts arrive. We plan the trip to Merston around you.
- First the diagnosis: fault codes read, electrics and airflow checked, drain and refrigerant tested.
- Prescribe: tell you the cause and the fixed cost of the cure.
- If the repair is not worth doing, we say so and explain the options.
- Treat: carry out the repair, sealing any leak before refrigerant goes back in.
- Sign off: prove it works and record the visit.
Before we arrive
- Unlock any gate, garage or side passage we need
- Mention any roof access, ladders or high-level work
- Have the make and model of any existing unit to hand
How to get a quote
Photos are enough for some jobs; others need a visit first. Multi-room systems, commercial buildings and anything with a long or hidden pipe route are normally surveyed first. Either way, the quote is fixed before anything goes ahead.
Advice
Nearby places to Merston
Also in Merston
Signs you need air conditioning repair in Merston
Ice on the pipework or the indoor coil is a symptom, not the fault. Low airflow from blocked filters or a failing fan, or low refrigerant from a leak, are the common causes. Switch the system off and let it thaw before calling us.
What we’re most often called about:
- A system that runs but doesn’t cool the room
- Water dripping from the indoor unit
- A fault code on the display
The make, model and error code are the most useful things to tell us.
Before you book anyone
- Why the equipment they’re quoting suits the job
- Whether the price is fixed or an estimate
- Whether the company is F-Gas certified, and whether you can check it
What happens if it’s left?
Refrigerant supply is changing. Repairing and recharging existing R410A systems is still legal, but R410A is getting scarcer and dearer to buy as the GB phase-down tightens, so for older systems we compare the cost of a repair with a replacement. Dealing with it now is usually simpler than a breakdown later.
Several rooms, units or sites on one quote can make for a more efficient booking. Tell us about everything you’d like looked at and we’ll price it together.
Why us?
- One number for homes and businesses across London and the South East
- Members of Checkatrade
- Electrical work covered by our NICEIC approval
- An F-Gas certified company, as the law requires
How the job changes from property to property
Circuit boards and sensors
Circuit boards and temperature sensors control how the system runs. Sensor faults can stop the system or confuse it and boards can fail with age or after electrical problems.
Condensate drains and pumps
Most water leaks from indoor units come back to the condensate system. Drains block with dirt and growth, pipes get kinked and pumps fail, and a unit that isn’t level can spill water too.
What a repair looks like in Merston
On the National Heritage List, around 4 entries fall within 0.5 miles of the middle of Merston; Church of St Giles (grade I) is one. We keep it in mind in case a new outdoor unit is ever needed, as protected buildings can need consent for that. The Valuation Office Agency’s council tax figures show about 34% of homes in Merston and the neighbourhoods around it were built in 2000 or later. If the outdoor unit is high up or behind a locked gate, mention it when you book.
Schools such as North Mundham Primary School can report a fault on the 24/7 line and have non-urgent work done out of term.
Merston is about 3 miles south-east of Chichester, in West Sussex. From the centre of Merston to the outskirts, we cover air conditioning repair, from a single room to a whole building. Merston is one of 371 towns, villages and districts in West Sussex we cover for homes and businesses. We also work in Worthing, around 15 miles away.
Our nearest recent job to Merston was on East Street, Chichester (PO19), about 3 miles north-west: installing a Daikin wall-mounted unit in the dining area and a second unit serving the kitchen pass area.
If your postcode is in PO20, you are inside the area we cover. Close to Merston, our area also takes in Runcton (1 mile south-west), Colworth (1 mile east), Oving (1 mile north), North Mundham (1 mile west) and Lagness (1 mile south). Within a short drive, we also cover Worthing (15 miles east), Bognor Regis (3 miles south-east), Chichester (3 miles north-west) and Selsey (6 miles south).
Near you in Merston
Locally, jobs take us to houses, flats and workplaces close to Chichester High School For Girls. The nearest railway station is Chichester station, roughly 2.3 miles west of the centre. A little further out are The Chichester City Museum (2.3 miles north-west) and St Richard's Hospital (2.3 miles north-west).
Common questions in Merston
Is there an emergency air con repair line for Merston?
The emergency line is open around the clock, and Merston is one of the places it covers. A diagnosis call-out starts from £75 + VAT, and knowing the brand and the symptoms helps us plan it.
Do you cover smaller places like Merston?
Yes. Merston 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.
Can I do any of the installation myself?
Not the refrigerant work. The F-gas rules require certified companies and qualified engineers for it, and a new electrical circuit is notifiable building work unless a registered competent person does it.
Why is there ice on my air conditioning pipes?
The coil gets too cold when air can’t move across it or when the refrigerant charge is low. Check the filter first and if that is not it, we’ll find the cause.
Do I need to service the system to keep the warranty?
It can, for some brands. Read the manufacturer’s terms, or send us the make and model and we’ll explain them, and book the service at the interval they recommend.
How much is an air conditioning call-out?
It starts with a diagnosis call-out from £75 + VAT, and then you get a fixed price for the repair. Nothing goes ahead without your agreement.
Why is my air conditioning leaking water?
Most leaks come from a blocked drain, a failed pump or a unit that has dropped out of level. Ice that forms on the coil and melts can cause drips too. Turn it off and phone us on 07833 053749 or email us.
A customer’s words
“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