Slough · Air conditioning repair
Air conditioning repair in Longford, Slough
Our engineers work in Longford on fault finding and repair for split, multi-split, ducted, cassette and VRF air conditioning, whatever the brand. Diagnosis first, a fixed price and proper paperwork when we finish.
- Air conditioning running but not cooling
- Frost on the pipework
- A system that will not switch on
Air conditioning repair in Longford, done properly
A diagnosis call-out is from £75 + VAT. When the cause is found, the repair is priced before anything else is done and nothing goes ahead without your say-so. The work covers ducted systems, VRF systems and ceiling cassettes, and people most often call us about water dripping from the indoor unit and an error code or flashing light on the unit.
Outdoor units in a place like Longford can be near hedges and fields, so leaves, seeds and cobwebs on the coil are worth checking first.
We’re an F-Gas certified company, NICEIC approved for electrical work, with MCS certification for heat pumps and Checkatrade membership. Our engineers hold the F-gas qualifications needed to work on refrigerant.
- Location
- Longford (SL3, UB7, TW6)
- Wider area
- Slough
- Pricing
- Fixed-price quote after a site survey
- Price guide
- Call-out from £75 + VAT
- Certified
- NICEIC and F-Gas
- Call
- 07833 053749
- Checked
- 30 October 2026
Air conditioning repair in Longford: the local picture
At about 17 miles from central London, Longford sits inside the area we cover across London and the South East. The Longford Village Conservation Area lies close to the centre of Longford, within about a third of a mile. 2 conservation areas lie within a mile of central Longford. Historic England lists about 12 buildings and structures within half a mile of the centre of Longford, including Weekly House (grade II). Should a unit ever need replacing on a listed building or in a conservation area, ask us about consent first.
If your system near Heathrow Terminal 5 Rail station stops in a hot spell, our 24/7 line is open.
Longford is about 2 miles south-west of West Drayton, in Slough. Homes and businesses alike in Longford, we can help with air conditioning repair. You’ll hear back from us the same working day and our emergency line runs 24/7. In Slough alone we list 31 places and Longford is among them. There’s also a page for Guildford, about 16 miles away.
Not far from Longford, a recent job of ours was on Church Street, Staines-upon-Thames (TW18), about 3 miles south: installing two LG wall-mounted units in the main office area and a single unit in the client meeting room.
Being close to the A3044, Longford is simple for us to get to for visits of every kind. We cover every part of the SL3, UB7 and TW6 postcode area and the streets around it. If you are just outside Longford, we cover Harmondsworth (1 mile north-east), Stanwell (2 miles south-east), Heathrow (2 miles east), Sipson (2 miles north-east) and West Bedfont (2 miles south-east). We also work in nearby towns such as Slough (6 miles north-west), Cippenham (7 miles north-west), Chalvey (5 miles west) and Britwell (7 miles north-west).
Near you in Longford
Typical jobs here are in properties near The Kings Arms and Arthur Jacob Nature Reserve, among other places. Longford’s nearest station is Heathrow Terminal 5 Rail station, about 0.5 miles south-east of the centre. Well-known places in the area include Windsor Castle (4.8 miles west) and Harlington (2.1 miles north-east). Green spaces nearby include Crane Meadows and Staines Reservoirs.
Towns and villages near Longford
More services for Longford
Common questions in Longford
Do you cover smaller places like Longford?
Yes, and the size of the place makes no difference to how we work. Send a few details and photos, and we reply the same working day.
Can you do air conditioning repair in Longford?
Yes, Longford is within the area we cover. Tell us a little about the job and we will take it from there.
Do you work on systems someone else installed?
Yes. We start with a proper look and tell you honestly what we find, including anything about the original installation that needs putting right. Any work is priced before it goes ahead.
Which manufacturers do you install and repair?
We work with the leading brands, from Mitsubishi Electric, Daikin and Fujitsu to Panasonic, Toshiba, LG, Samsung, Mitsubishi Heavy Industries and Hitachi. Tell us the make and model and we will take it from there.
Is it legal to repair an R410A system?
Yes. We find and fix the leak, then recharge with R410A and record it in the F-Gas records and we’ll give you an honest view on whether it’s worth it.
What causes ice on the indoor coil?
Ice is a symptom of low airflow or low refrigerant. A clogged filter, a fan problem or a leak are typical. Turn it off, let the ice melt and call us on 07833 053749 or drop us a line.
Can I do the refrigerant work myself?
Not the refrigerant work. Under the F-gas rules, it must be done by qualified engineers from a certified company, and a new circuit is notifiable under Part P unless a registered electrician, such as a NICEIC approved contractor, does it.
What happens if it’s left?
If your system uses R22, the options are narrower. R22 is an ozone-depleting refrigerant and new R22 cannot be used for servicing, which usually makes replacement the sensible route after a refrigerant fault. We explain why and quote for a new system if that’s the right answer. Small faults tend to grow, so it’s worth dealing with them early.
Typical ranges are on our prices page, but your price depends on the job in front of us. Call for a fixed-price quote, and we’ll talk you through it.
Why people in Longford choose us
- Every job looked at before it’s priced
- One number for homes and businesses across London and the South East
- MCS certification for heat pump work
- We reply to enquiries the same working day
Read our cost guide or how to check a contractor.
What we do, step by step
Anything involving refrigerant is handled by F-Gas qualified engineers, as the law requires, while the electrical side is covered by our NICEIC approval. On the day, both are in the same hands. The work takes a single visit for many faults, while some repairs need a second visit once parts arrive. A few photos help us make the most of a visit to Longford.
- You describe the fault, the make and any error code, ideally with a photo.
- At the property, readings and tests narrow the problem down to its cause.
- Nothing is repaired until you’ve heard what’s wrong and agreed a fixed price.
- With your agreement the part is replaced or the fault put right, and refrigerant work goes in the F-Gas log.
- Finally the system is tested in operation and you get a note of the fault and the fix.
Preparing for the visit
- Clear the space around the indoor unit, or where it will go
- Let us know if the building has a permit or sign-in process
- Arrange for someone to be there to let us in
Ask for a quote
Getting a quote is straightforward. Send a few details and photos, and we reply the same working day. If we need to see the property first, we book a survey at a time that works for you.
Advice
When something else is needed
We’d rather tell you now than sell you work that won’t help, so here are the limits:
- A unit that was never big enough for the room
- A discontinued model with no parts available
- Heat gains the system was never designed for
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.
Where we work
- Ducted systems
- Wall-mounted split systems
- Multi-split systems
- VRF systems
- Ceiling cassettes
- Heat pumps
Signs you need air conditioning repair in Longford
Leaks tend to start where pipes are joined: joints, valves and sections of pipe worn by vibration or damage. Coils can corrode and leak too and many leaks are slow enough to go unnoticed for a while.
The things we are asked about most are:
- A unit blowing warm air
- Water leaking from the unit or through the ceiling
- Ice forming on the indoor unit or pipes
For a school like Pippins School, urgent repairs can be booked right away and bigger work in the holidays.
What to look for in a quote
- Who does the electrical work, and whether they can certify it
- Whether the manufacturer’s warranty depends on regular servicing
- Whether you get F-Gas records where refrigerant is involved
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