Oxfordshire · Air conditioning repair
Mongewell air conditioning repair
Need air conditioning repair in Mongewell? We diagnose first, fix the price and book the work around you, then sign it off with written records.
- Water dripping from the indoor unit
- A suspected refrigerant leak
- A system that will not switch on
Owner checks or an engineer?
Leave the units and pipework where they are. Moving a unit involves the refrigerant circuit, so it needs an F-Gas qualified engineer, and the electrical side needs a competent person. If you need something moved, we can quote for it.
Write down what you notice: 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 of the display helps even more.
How we handle air conditioning repair in Mongewell
A diagnosis call-out is from £75 + VAT. Once we know the cause, you get a fixed price for the repair before any work goes ahead, so you can decide with the facts in front of you. The work covers wall-mounted split systems, ducted systems and heat pumps, and people most often call us about a unit that has lost refrigerant and a system that won’t switch on.
A visit to Mongewell is planned so we can usually finish in one go, unless a part has to come from the manufacturer.
Each manufacturer sets its own warranty period. Daikin, for instance, gives a standard 2 years on split air conditioning, with longer extensions only on its air-to-water heat pumps. Whatever the brand, the manufacturer’s terms are explained on your quote.
- Place
- Mongewell (OX10)
- Wider area
- Oxfordshire
- Guide price
- £75 + VAT call-out, then a fixed repair price
- Quotes
- A fixed-price quote up front
- Accreditations
- NICEIC and F-Gas
- Telephone
- 07833 053749
- Reviewed
- 30 October 2026
What the work involves, system by system
Condensate drains and pumps
We clear the drain, test the pump and check the fall, so the water goes where it should. If a pump has failed, we replace it and tested before we go.
VRF systems
In a VRF system, many indoor units share outdoor plant. We use the system’s fault history and codes, then test to confirm and the repair is priced before work begins.
What a repair looks like in Mongewell
In the mile around Mongewell’s centre, 2 conservation areas have been designated. Listed buildings are part of the picture here: about 18 within half a mile of the centre, such as Church of St Mary (grade II*). Swapping an outdoor unit on a listed building or in a conservation area may need consent, so we will flag it if a replacement is needed. Mongewell is about 44 miles from central London, well within the area we cover from our base in East Grinstead.
For a school like Crowmarsh Gifford Church of England School, urgent repairs can be booked straight away and bigger work in the holidays.
Mongewell is about 6 miles east of Didcot, in Oxfordshire. We cover Mongewell for air conditioning repair, along with the rest of Oxfordshire. Across Oxfordshire, we cover 443 places, Mongewell among them. There’s also a page for Guildford, about 33 miles away.
If you need air conditioning repair at a property on Hasthorpe Road, Shuttleworth Close and Elizabeth Road or anywhere close by, we can help. Every address in OX10 is within our area, from the main roads to the quietest streets. Nearby, we also cover air conditioning repair in Newnham Murren (1 mile north), Crowmarsh Gifford (1 mile north-east), Winterbrook (1 mile south-west), North Stoke (1 mile south) and Cholsey (2 miles south-west). We also work in nearby towns such as Oxford (12 miles north-west), Didcot (6 miles west), Abingdon-on-Thames (9 miles north-west) and Thame (12 miles north-east).
Local landmarks in Mongewell
Typical jobs here are in properties near Wallingford School, Wallingford School and The Old Nags Head pub, among other places. The nearest railway station is Cholsey station, about 2.2 miles south-west of the centre. A little further out are Wallingford Castle (0.9 miles north). Not far away are Wittenham Clumps and Cholsey Marsh.
Questions from Mongewell
Is Mongewell within the area you cover?
Yes. Mongewell is within the area we cover across London and the South East. We’re based in East Grinstead and plan each visit so the job can be finished in one trip where possible.
Do you cover Mongewell for air conditioning repair?
Yes, Mongewell is within the area we cover. Just ring us on 07833 053749 with a few details.
What causes ice on the indoor coil?
It usually points to poor airflow or a refrigerant leak. Blocked filters, a failing fan or a leak are the common causes. Turn it off, let the ice melt and ring 07833 053749 or use the quote form.
Can you come out for an emergency air conditioning repair?
Yes. We have a 24/7 emergency line for urgent breakdowns. Ring 07833 053749 with the make, what’s happening and any code and we’ll talk you through what happens next.
Will you make a mess?
We put dust sheets over floors and furniture near the work first, and the area is kept tidy throughout. Before we leave, we clear up and run through the work with you.
Whose job is it to check the system for leaks?
The operator of the equipment, working with qualified engineers. Larger systems need regular checks: at least every 12 months from 5 tCO2e and every 6 months from 50 tCO2e. We will work out which band applies to yours.
How much does an air conditioning repair cost?
It starts with a diagnosis call-out from £75 + VAT, followed by a fixed price for the repair. Nothing goes ahead without your agreement.
Towns and villages near Mongewell
Also in Mongewell
What we do, step by step
The work area is kept tidy throughout, with sheets down and mess cleared as we go. Any holes, fixings or cable routes are agreed with you before we drill. The visit takes anything from an hour or so to a full day, depending on the fault and the parts. A note on how to find the property and where to park makes a visit to Mongewell easier.
- Diagnosis comes first: codes, electrics, airflow, drain and refrigerant.
- Prescribe: tell you the cause and the fixed cost of the cure.
- Where a repair does not make sense, you will hear it from us, with the alternatives.
- The treatment: the repair itself, with any leak found and fixed before recharging.
- Finally, a check that it’s working and a record of what we did.
Preparing for the visit
- Make sure we can reach the outdoor unit, or where it will go
- Clear a path to the units and the space around them
- Let us know if the building has a permit or sign-in process
Getting a price
Here’s what helps us quote: where the property is and what kind of building it is, photos of the rooms or units, the make and model of any existing system and any symptoms, from error codes to drips. Then phone us on 07833 053749 or use the quote form.
Related advice
When to call us in Mongewell
A unit that runs but doesn’t cool has a few usual suspects: a blocked filter, the wrong mode or set temperature, an outdoor unit that cannot breathe, a failed sensor or board, or low refrigerant from a leak. Diagnosis narrows it down.
Common reasons people call us are:
- Drips from the indoor unit
- A unit that has lost refrigerant
- A system that keeps cutting out
The rating label on the unit gives the model number, which helps us bring the right parts.
Comparing quotes
- Proof of F-Gas company certification
- Whether testing, commissioning and paperwork are included
- What paperwork you will receive afterwards
What a customer said
“Excellent service from start to finish. Two wall-mounted units installed in our home. Clean, tidy work: they protected all the floors and left no mess. The systems work brilliantly. Would highly recommend.”
Sarah M., East Grinstead