Oxfordshire · Air conditioning repair

Air conditioning repair in New Marston, Oxfordshire

Air conditioning repair in and around New Marston, from a site survey or diagnosis to sign-off with the price fixed before work begins.

  • A unit blowing warm air
  • Weak airflow from the indoor unit
  • Rattling, buzzing or grinding noises

Air conditioning repair for New Marston

How we handle air conditioning repair in New Marston

Faults on all the leading makes are part of our everyday work, including Mitsubishi Electric, Daikin, Fujitsu, Panasonic, Toshiba, LG, Samsung, Mitsubishi Heavy Industries and Hitachi. Systems fitted by other installers are fine too and the make and model help us prepare. Typical jobs include drips from the indoor unit and rattling, buzzing or grinding noises, across ceiling cassettes, multi-split systems and ducted systems.

For a repair near New Marston, we bring the common parts and tools for the make you have, and if a part has to be ordered, we tell you the price before we fit it.

Any work on the refrigerant circuit is recorded: the work carried out, the refrigerant involved and the quantities. Keep the records with the manual and the warranty documents, ready for the next service or a warranty query.

Where
New Marston (OX3, OX1, OX4)
Wider area
Oxfordshire
Credentials
F-Gas certified, NICEIC approved
Pricing
Fixed-price quote after a site survey
Price guide
£75 + VAT call-out, then a fixed repair price
Phone
07833 053749
Last updated
30 October 2026

Why deal with it now?

If your air conditioning in New Marston has developed a fault, it’s worth booking a diagnosis now. The visit takes a single visit for many faults, while some repairs need a second visit once parts arrive, and you get a fixed price for the repair before any work goes ahead, and our emergency line runs 24/7. A dirty or faulty system works harder and costs more to run.

Height, access and the distance between the indoor and outdoor units can all change the price. We take each of them into account, and the price is fixed before we start.

What you get with us

  • We work on all the leading brands
  • Listed on Checkatrade
  • An F-Gas certified company, as the law requires
  • Enquiries answered the same working day

See what air conditioning costs and our accreditations.

The process

Where something has to be switched off during the work, we agree it with you first so it does not catch you out. In a business, work can often be done one area at a time. The work takes anything from an hour or so to a full day, depending on the fault and the parts. Everything the job in New Marston needs is worked out beforehand.

  1. Tell us the make, the symptoms and any error code, and send a photo of the display if you can.
  2. At the property, readings and tests narrow the problem down to its cause.
  3. You get a plain explanation of the fault and a fixed price for putting it right.
  4. The fix goes in, with any refrigerant work tested and written into the F-Gas records.
  5. We run the system, check it’s working properly and note anything else that needs attention.

How to prepare

  • Mention any roof access, ladders or high-level work
  • Make sure someone can let us in at the agreed time
  • Clear the space around the indoor unit, or where it will go

Getting a price

To help us quote: where the property is and what kind of building it is, pictures of the rooms or units, the make and model of any existing system and any symptoms, from error codes to drips. Then ring us on 07833 053749 or send an email.

Get a price

Advice

Fixed-price quotes for air conditioning repair in New Marston

Jobs vary more than people expect. The main factors:

  • The electrical supply and whether a new circuit is needed
  • The type of system, from a single split to a larger system
  • The distance and route between the indoor and outdoor units

No two properties are the same, so each one gets its own fixed-price quote. The system, the access, the pipe routes and the parts involved all make a difference.

What we need to know

Before you ask for a quote, gather:

  • Where the property is and what kind of building it is
  • The fuse board and where it is in the property
  • The outside wall, roof or yard where the outdoor unit sits or would go

If you need air conditioning repair in New Marston, ring us on 07833 053749 or drop us a line. Tell us what kind of property it is and what you’d like done, and send a few pictures if you can. Enquiries get a reply the same working day.

When something else is needed

We’d rather tell you now than sell you work that will not help, so these are the things it will not cover:

  • A room that overheats because of the building, such as a lack of shading or ventilation (the system may need help, not a repair)
  • A supply fault outside the property
  • An R22 system that has lost its refrigerant

Not sure which it is? You can ring us on 07833 053749 or write to us at info@aircondoctor.co.uk and we will tell you honestly before booking.

What we work on in New Marston

  • Ducted systems
  • Wall-mounted split systems
  • Heat pumps
  • VRF systems
  • Ceiling cassettes
  • Multi-split systems

Your questions about air conditioning repair in New Marston

Can you do air conditioning repair in New Marston?

Yes. We work across London and the South East from our base in East Grinstead, and New Marston is part of that. Tell us a little about the job and we’ll take it from there.

Who do I call if my air conditioning fails in New Marston out of hours?

New Marston is within our area, and the emergency line is open 24/7. Say what the system is doing and whether it shows a code, and we’ll advise on the next step.

What does the error code on my air conditioning mean?

The code is the system’s own clue to the fault, but testing confirms the cause. Write down the code and turn the unit off if it has stopped, then ring 07833 053749, or email if that’s easier.

Which accreditations do you hold?

F-Gas certified, NICEIC approved and MCS certified for heat pumps, and we’re Checkatrade members. Our engineers also hold the individual F-gas qualifications needed to work on refrigerant.

What warranty do I get?

It’s the manufacturer’s, and the terms are theirs. Some brands make regular servicing a condition, so keep your service records.

Which manufacturers do you install and repair?

The main ones, including Mitsubishi Electric, Daikin, Fujitsu, Panasonic, Toshiba, LG, Samsung, Mitsubishi Heavy Industries and Hitachi. For new systems, we recommend a brand and model to suit the job and explain why.

Can we book visits on a schedule?

Yes. We offer maintenance contracts, with visits at the interval your system and the manufacturer need. Every visit is recorded, with F-Gas records where refrigerant work is involved.

When air con fails in New Marston

At about 52 miles from central London, New Marston sits inside the area we cover across London and the South East. Roughly a third of a mile or less from central New Marston, you reach the Headington Hill Conservation Area. In the mile around New Marston’s centre, 4 conservation areas have been designated. Historic England lists about 3 buildings and structures within half a mile of the centre of New Marston, including Kings Mill (grade II). For most visits that makes no difference. It only comes up when an outdoor unit has to be replaced on a protected building.

If the display shows a code, write it down: it helps narrow down the fault. When cooling fails at a school like St Michael's CofE Primary School, we can time non-urgent repair work around lessons.

New Marston is about 1 mile north of Oxford, in Oxfordshire. Anywhere in OX3, we can help with air conditioning repair. Our list for Oxfordshire has 443 entries, and New Marston is one. Guildford, roughly 46 miles off, has its own page on this site.

Whether you’re on Ferry Road, Croft Road and Copse Lane or a nearby road, we can help. All of OX3, OX1 and OX4 is covered, from busy streets to back roads. We also cover Headington Hill (1 mile south-east), Northway (1 mile north-east), Oxford (1 mile south), St Clement's (1 mile south) and Norham Manor (1 mile west). Larger places within reach include Didcot (11 miles south), Bicester (10 miles north), Abingdon-on-Thames (6 miles south) and Witney (11 miles west).

Near you in New Marston

In New Marston, that means homes and buildings near English Faculty Library, Cheney School and Headington Hill Park, among other places. Nearby too are Rye St Antony School (0.5 miles south-east) and White Horse pub (0.8 miles south-east). The nearest railway station is Oxford station, roughly 1.6 miles south-west. Other landmarks nearby include Clarendon Shopping Centre (1.2 miles south-west) and Churchill Hospital (0.7 miles east). For a walk, there’s Headington Hill and CS Lewis Nature Reserve.

Map of New Marston © OpenStreetMap contributors

A customer’s words

“Very professional from the initial survey through to installation. The engineer explained everything clearly and the quote was exactly what we paid. Would not hesitate to recommend AirCon Doctor.”

David W., Haywards Heath

F-Gas certified companyRefrigerant work done and recorded properly
NICEIC approvedElectrical work certified
MCS certifiedHeat pump installations
Checkatrade memberVetted trade directory
24/7 emergency lineBased in East Grinstead