Greater London · Air conditioning repair

Air conditioning repair in Hounslow, Greater London

Air conditioning repair in and around Hounslow, from a site survey or diagnosis to sign-off and a fixed price agreed before we start.

  • Ice on the pipework or the coil
  • Drips from the indoor unit
  • A flashing light and a system that won’t run

Air conditioning repair near Hounslow

Air conditioning repair for homes and businesses in Hounslow

Think of it as a doctor’s appointment for your air conditioning: diagnose the cause, treat it properly and sign it off when it’s working. Guesswork costs money, and replacing a board when the fault is a sensor leaves the problem in place. We are often asked to deal with air conditioning running but not cooling and rattling, buzzing or grinding noises, on ducted systems, wall-mounted split systems and VRF systems.

London systems in Hounslow often run long hours in summer, and that is when faults show: weak cooling, water leaks, error codes or a unit that won’t start. The error code on the display, the make and the model are the most useful things to send us.

Whatever the visit, you get a written record: commissioning details for an installation, a fault and repair note for a repair, or a record of the service. Keep it with the system’s paperwork so it’s to hand next time.

Place
Hounslow (TW3, TW7, TW2)
Wider area
Greater London
Approvals
F-Gas certified, NICEIC approved
Enquiries
We reply the same working day
Guide price
Call-out from £75 + VAT
Quote
Fixed after a survey or photos
Call
07833 053749
Updated
30 October 2026

How we price air conditioning repair

Before we fix a price, we need to know a few things. We check:

  • The condition of any existing system
  • How far the pipework has to run, and where
  • Access, including height, roofs and ladders

Putting the work off seldom saves money. Faults and wear in a system tend to grow, and a system working harder than it should costs more to run. If you are unsure, ring 07833 053749 or email us and we’ll give you an honest view and a fixed price.

Asking for a quote

When you contact us, these details help:

  • Where the property is and what kind of building it is
  • Photos showing the indoor unit and the space around it
  • Your installation or service records

Here’s what helps us quote: where the property is and what kind of building it is, a few pictures, the make and model of any existing system and any symptoms, from error codes to drips. Then call 07833 053749 or email us.

Questions from Hounslow

What’s the best way to get a price for air conditioning repair in Hounslow?

The easiest way is to phone 07833 053749, or email if that’s easier with a few details and photos. Where pictures are not enough, a survey comes first and the fixed-price quote follows.

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

Yes: ring the emergency line, day or night, from anywhere in Hounslow. Tell us the make, model and any error code when you call; repair call-outs start from £75 + VAT.

Do you offer maintenance contracts?

Yes. Send details of the systems and how they’re used, and we’ll suggest a schedule with a fixed price. That can include the leak checks the F-gas rules require for larger systems.

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 tell you honestly whether a repair is worth it on an older system.

Will skipping a service affect the warranty?

It can, for some brands. Send us the make and model and we will tell you what the manufacturer expects and stick to the interval they set.

Can I do any of the installation myself?

Anything that involves the refrigerant needs an F-Gas qualified engineer from a certified company. That is the law, not just our preference, and it also matters for the manufacturer’s warranty. We can quote for the whole job, from supply to commissioning.

Do I get paperwork after the visit?

Yes, on every job. New installations come with commissioning details, F-Gas records and warranty information, and repairs and services get a record of the work.

Air conditioning repairs in Hounslow: local notes

About 30% of homes in Hounslow and the neighbourhoods around it have been built since 2000, according to VOA council tax data, and the last census (2021) found about 49% of households live in flats. Balcony, roof or high wall? Knowing where a flat’s outdoor unit is helps us bring the right access kit. In London, access to outdoor units on roofs and balconies can need planning, so tell us how to reach yours. Draw a one-mile circle round the middle of Hounslow and it takes in 3 conservation areas. About 6 listed entries lie within half a mile of central Hounslow, Worton Hall (grade II) among them. We keep it in mind in case a new outdoor unit is ever needed, as protected buildings can need consent for that.

For a home or office near Hounslow station, tell us the make, model and error code when you call, so we can plan the repair. If a system fails at a school such as Chatsworth Primary School, our 24/7 line takes the call, and planned repairs can wait for the holidays.

Hounslow is about 9 miles west of City of Westminster, in Greater London. We cover Hounslow for air conditioning repair and across the rest of Greater London. Hounslow is one of 764 places in Greater London we cover for homes and businesses. You can also see our page for London, roughly 11 miles from Hounslow.

The closest recent job we can point to from Hounslow was on King Street, Twickenham (TW1), about 1 mile south: installing a Samsung VRF system serving the restaurant dining area, bar, private dining room and kitchen extraction area: seven indoor units in total.

We work across TW3, TW7 and TW2 for air conditioning repair. Local streets include New Road, Ivy Road and Bell Road, all of which are in our area. Close to Hounslow, our area also takes in Woodlands (1 mile north-east), Ivybridge (1 mile south-east), Lampton (1 mile north-west), Isleworth (1 mile east) and Spring Grove (1 mile north). We also work in nearby towns such as London (11 miles east), City of Westminster (9 miles east), Marylebone (9 miles east) and Kensington (7 miles east).

What’s near Hounslow

Around Hounslow, our work takes us to homes and businesses near Moon Under Water pub, Kingsley Academy and Inwood Park and the streets around them. Hounslow’s nearest station is Hounslow station, about 0.6 miles south-west of the centre. Well-known places in the area include Museum of Army Music (0.8 miles south) and South Middlesex Hospital (0.9 miles south-east). Open spaces near Hounslow include Garden Lake and Richmond Hill.

Map of Hounslow © OpenStreetMap contributors

Owner checks or an engineer?

There are a few things you can safely do yourself: keep the outdoor unit clear of leaves, plants and clutter, check the settings and the remote, and follow the cleaning the manual describes. Anything inside the units, the electrics and the refrigerant is engineer’s work.

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 phone 07833 053749 or send an email.

What happens on the day

We book the visit for a day and time that suit you, and we keep you posted if anything changes. On arrival, the engineer compares the job with the survey, your pictures or the details you gave us. Anything unexpected is raised with you before we go further. After that, it takes as long as the fault needs, from a quick fix to a return visit for parts. If your building in Hounslow has a managing agent, a concierge or sign-in rules, mention them when you book.

  1. You tell us the symptoms, the make and any error code.
  2. The engineer diagnoses the fault on site, testing rather than guessing.
  3. You get the cause explained and a fixed price for the repair.
  4. Once you’re happy, the repair is done and any refrigerant work recorded.
  5. The system is run and checked, and you get a written note of the repair.

Preparing for the visit

  • Let us know if the building has a permit or sign-in process
  • Tell us about parking and loading
  • Make sure we can reach the consumer unit or fuse board

Ask for a quote

Quoting starts with a diagnosis, from a site survey or, where the job is straightforward, from photos and measurements. Then you get a fixed price before any work starts.

Ask for a quote

Read more

When something else is needed

An honest diagnosis matters more to us than a booking, so here’s what air conditioning repair won’t do:

  • A system that was undersized for the room in the first place (that needs a bigger system, not a repair)
  • No power to the building at all
  • A room that overheats because of the building, such as a lack of shading or ventilation (the system may need help, not a repair)

If in doubt, call 07833 053749 or drop us a line and we’ll say what we think before you book.

Parts of the system we cover

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

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

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