Greater London · Air conditioning servicing
Air Conditioning Servicing in Harlington
Need air conditioning servicing in Harlington? We look at the job first, give you a fixed-price quote and do the work at a time that suits you, finishing with proper records.
- No service record for the last year or more
- Smells coming from the indoor unit
- Condensate leaking into the room
How we handle air conditioning servicing in Harlington
Maintenance contracts suit anyone who would rather not have to remember when the next service is due. We agree the visits, what each one covers and the price with your quote, and the servicing happens on schedule. The work covers multi-split systems, ceiling cassettes and air-to-air heat pumps, and the jobs we see most are ice forming on the pipework or outdoor unit and a service that’s overdue.
For a flat or office in Harlington, tell us where the outdoor unit is and how we reach it, so let us know how to get to it. If the building has a managing agent, we can book in with them.
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
- Harlington (UB3, TW6, UB7)
- Region
- Greater London
- Approvals
- F-Gas certified company, NICEIC approved
- Response
- Answered the same working day
- Prices
- Yearly service from £95 + VAT
- Quote
- Fixed after a survey or photos
- Telephone
- 07833 053749
- Last updated
- 30 October 2026
The process
The first job on site is protection: dust sheets over floors and furniture near the work, and we ask before moving anything. Then the electrics are made safe and the work begins. It takes anything from an hour for a simple split system to most of a day for a larger installation, and we clear up before we go. For a job in Harlington, tell us about parking, permits and access to the building when you get in touch.
- You tell us the brand, the number of indoor units and any symptoms.
- Inside, the filters, coil and drain tray of each indoor unit are cleaned.
- The outdoor unit gets its own clean, with leaves and debris cleared away.
- Electrical connections, controls and refrigerant performance are tested.
- Anything we find is explained, with a fixed price if it needs a repair.
Preparing for the visit
- Let us know if the units are on a roof, a high wall or in a locked area
- Tell us about parking and loading
- Make sure we can reach the outdoor unit, or where it will go
How to get a quote
Every quote starts with a look at the job, from a site survey or, where the job is straightforward, from photos and measurements. Then you get a fixed price before any work starts.
Read more
System by system
Wall-mounted, ducted and cassette units
Cassette units are set into the ceiling and blow air in several directions. The grille drops down for the filters, and the drain and pump are checked inside.
Indoor and outdoor coils
Bent or damaged fins restrict the airflow across a coil. We note any damage and tell you if it’s affecting performance.
Also near Harlington
More services for Harlington
Questions from Harlington
How often should air conditioning in Harlington be serviced?
A yearly visit is right for most households. Check your manufacturer’s warranty terms too, as some of them make regular servicing a condition.
Can you do air conditioning servicing in Harlington?
Yes. We work across London and the South East from our base in East Grinstead, and Harlington is part of that. Get in touch with the details and we reply the same working day.
Why use an F-Gas certified company?
The law says any company working on equipment containing F gas has to be certified, and the engineers need their own qualifications. It’s how you know the refrigerant is being handled legally and safely.
Do you offer air conditioning maintenance contracts?
Yes, with visits planned to suit how hard the system works. We agree the cost up front and you get a record after every visit.
Do you offer maintenance contracts?
Yes. Send details of the systems and how they’re used, and we will suggest a schedule with a fixed price. That can include the leak checks the F-gas rules require for larger systems.
How soon will you get back to me?
On the same working day you contact us. Then we agree a date that works for you, and you get a fixed price before any work goes ahead.
Are you F-Gas certified?
F-Gas company certification, NICEIC approval for electrical work and MCS certification for heat pumps, plus Checkatrade membership. Our engineers also hold the individual F-gas qualifications needed to work on refrigerant.
Air conditioning servicing around Harlington
Roughly a third of a mile or less from central Harlington, you reach the Harlington Village Conservation Area. Church of St Peter and St Paul, listed at grade I, is one of roughly 13 protected buildings and structures in the half-mile around Harlington’s centre. Should a unit ever need replacing on a listed building or in a conservation area, ask us about consent first. The Valuation Office Agency’s council tax figures date about 49% of homes in and around Harlington to the post-war years, 1945 to 1972. Tell us where your outdoor unit is and how to reach it, so we can plan the visit. In London, a yearly clean of the outdoor coil makes a real difference to how well a system cools.
Most homes book one service a year; busy offices and shops may want more.
Harlington is about 2 miles south-east of West Drayton, in Greater London. Harlington gets the same approach as every job we take on: diagnosis first, a fixed price and proper paperwork when we’ve finished. Count every place we list in Greater London and you reach 764, with Harlington on the list. You can also see our page for London, about 15 miles away.
Not far from Harlington, a recent job of ours was on Church Street, Staines-upon-Thames (TW18), about 5 miles south-west: installing two LG wall-mounted units in the main office area and a single unit in the client meeting room.
Postcode districts we cover here: UB3, TW6 and UB7. If you need air conditioning servicing at a property on New Road, Bath Road and Manor Lane or a nearby road, our engineers can take on the work. Neighbouring places we cover include Sipson (1 mile north-west), Hatton (1 mile south-east), Cranford (1 mile south-east), Heathrow (1 mile south-west) and Harmondsworth (2 miles west). Larger places within reach include London (15 miles east), City of Westminster (12 miles east), Marylebone (13 miles east) and Kensington (10 miles east).
Landmarks near Harlington
Typical jobs here are in properties near The Red Lion pub, Harlington Community School and Lake Farm Country Park, among other places. Harlington’s nearest station is Heathrow Terminals 2 & 3 Rail station, roughly 1.2 miles south-west. Nearby you’ll also find Harlington (0.6 miles north-west) and Treaty Centre (3.4 miles east). Not far away are Staines Reservoirs and Crane Meadows.
Common problems we fix in Harlington
Condensate has to drain away from every indoor unit. Sludge and debris can block the tray, the pipe or the pump and the result is drips from the indoor unit.
These are the situations we see most often:
- A service that is overdue
- Error codes or flashing lights on the indoor unit
- Iced-up coils or pipework
For a school like William Byrd Primary Academy, maintenance visits can be booked out of term.
Questions to ask before booking
- Whether testing, commissioning and paperwork are included
- Whether the company is F-Gas certified, and whether you can check it
- The make and model of any parts or equipment being quoted
Aftercare tips
Here’s the after-treatment advice, short and simple:
- Shut doors to the room so the system isn’t cooling the whole house
- Leave space around the outdoor unit for air to flow
- Make sure the condensate outlet can drain
After the service, you get a record of what was done, with the checks carried out and anything we’d recommend. File it with the system’s manual and warranty documents so the service history is in one place.
Keep the area around the outdoor unit clear. Leaves, garden waste, bins and climbing plants all restrict the airflow and should be moved away.
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