Greater London · Air conditioning installation
Air con installers in Feltham
We cover Feltham for air conditioning. A look at the job first, a fixed-price quote and written records at the end.
- Old electric heaters you’d like to replace with something more efficient
- A loft room or top floor that bakes in summer
- Not knowing which system, size or brand to choose
Common questions in Feltham
Can you fit air conditioning in a London flat in Feltham?
Normally, yes, though leaseholders normally need the freeholder’s agreement. Permitted development rules for flats are tighter than for houses, so we check the outdoor unit position and give you the details to send to the freeholder or managing agent.
Is planning permission needed for air conditioning in Feltham?
There’s no single answer: the building and the outdoor unit position decide it. There’s a conservation area, the Feltham Town Centre Conservation Area, close to central Feltham. Permitted development only covers heat pumps that are not used solely for cooling, and not within the grounds of a listed building. Conservation areas add limits on outdoor units facing a road. Where needed, we check with the local planning authority (for Feltham, normally Hounslow council).
Why does F-Gas certification matter?
F-Gas certification shows a company is approved to work on equipment containing fluorinated gases, such as the refrigerant in air conditioning and heat pumps. That isn’t optional: it’s required by law, and we hold it.
What size air conditioning unit do I need?
We size each room on the survey, from its size, glazing, orientation and use. An undersized unit never catches up, and an oversized one cycles and wastes energy and we explain the output we recommend.
Who is responsible for leak checks?
Whoever operates the equipment, together with the technicians who service it. Larger systems need regular checks: at least every 12 months from 5 tCO2e and every 6 months from 50 tCO2e. We can tell you which band your system falls into.
Can you come out in an emergency?
Yes, day and night. Call the emergency line and tell us the make, the symptoms and any error code, and we’ll talk you through the next steps.
Do you work on all makes?
Mitsubishi Electric, Daikin, Fujitsu, Panasonic, Toshiba, LG, Samsung, Mitsubishi Heavy Industries, Hitachi and others. For new systems, we recommend a brand and model to suit the job and tell you why.
Air conditioning for homes and businesses in Feltham
We approach an installation much as a doctor approaches a patient: survey first, install second, commission and hand over last. The sign-off includes testing every mode, showing you the controls and handing over the F-Gas records. Every installation in Feltham begins with a look at the rooms, the walls and where the outdoor unit can go, then a fixed-price quote that names the make and model.
Top-floor flats and rooms with big south- or west-facing windows tend to be the first to overheat in London. A single wall-mounted unit in the worst room is often where people start, while a multi-split serves several rooms from one outdoor unit, which helps where outside space is limited.
If a fault appears while the equipment is under the manufacturer’s warranty, tell us the make, model and installation date. We’ll tell you how the manufacturer’s warranty is likely to apply before any chargeable work goes ahead.
- Where
- Feltham (TW14, TW13)
- Wider area
- Greater London
- Quote
- Fixed after a survey or pictures
- Replies
- Answered the same working day
- Credentials
- NICEIC approved, F-Gas certified
- Prices
- Single room from £1,200 + VAT
- Call
- 07833 053749
- Reviewed
- 30 October 2026
When to call us in Feltham
Loft rooms and top floors tend to suffer most. Heat comes in through the roof and rises from the rest of the building, which is why a loft bedroom can still be warm at bedtime.
If any of these sounds familiar, it’s worth a diagnosis:
- Too many options and no clear advice
- A study or office that overheats during the day
- Commercial rooms that are too warm for staff
Close to Feltham station? A small study or box room used for work can normally be cooled with a single indoor unit.
What to look for in a quote
- Whether the quote shows VAT clearly
- Whether you get F-Gas records where refrigerant is involved
- Whether they hold F-Gas company certification, not just individual qualifications
Why it’s worth doing now in Feltham
For a home or business in Feltham, booking the survey now gives time to plan. Installation takes anything from a day for one room to several days for a multi-room or ducted system, and we agree a date that suits you after you’ve accepted the fixed price. Allow time for any approvals your building in Feltham needs.
Putting several jobs into one visit often makes better use of the time. Tell us about everything you’d like looked at, and you’ll get one fixed price.
Why people in Feltham choose us
- A site survey and a fixed-price quote
- NICEIC approved electrical contractors
- Covering London and the South East
- An F-Gas certified company, as the law requires
Take a look at our cost guide and our accreditations and certificates.
How the visit works
Our engineers arrive at the time agreed with you and run through the plan before anything else. Floors and furniture near the work are covered with dust sheets, and anything electrical is made safe before work starts. The work itself takes a day for most single-room installations, with multi-split, ducted and cassette systems taking longer. A few pictures of the room, the outside wall and the fuse board help us plan a job in Feltham.
- You send pictures, or we visit and survey the rooms and outside.
- Output, positions and price are settled before anything is booked.
- Sheets go down first, then the indoor unit and the condenser are mounted.
- Pipework, cable and drain are run, the circuit is connected and the pipework is pressure tested and evacuated.
- The system is commissioned, the controls explained and the F-Gas records handed over.
Getting ready for the visit
- Let us know if the units are on a roof, a high wall or in a locked area
- Give us access to the outside wall, roof or yard where the outdoor unit sits
- Mention any managing agent or landlord rules we need to follow
Getting a price
Photos are the fastest route to a quote: the inside and outside of the property where the work is, plus the rating plate of any unit already there. Add the address and what you’d like done, and simple jobs can often be priced without a visit.
Related advice
What air conditioning will not do
In fairness, some problems need a different answer:
- Draughts and missing insulation
- Gas boiler or central heating faults (we don’t work on gas boilers)
- Work that needs permission from a landlord or the council
If you are not sure, just phone us on 07833 053749 or use the quote form and we’ll give you a straight answer before you book.
Parts of the system we cover
- Air-to-air heat pumps
- Ceiling cassettes
- Multi-split systems
- Wall-mounted split systems
- VRF systems
- Ducted systems
Air conditioning around Feltham
VOA council tax data show about 36% of homes across Feltham and its surrounding area date from 1919 to 1939. We check the wall construction on homes of that age, as it decides how the pipework goes through. For a London home, we plan the outdoor unit position, the pipe route and any approvals before the day.
Strawberry Hill House (roughly 3.5 miles east) shows the area has its share of heritage. A listed home needs consent before an outdoor unit or pipework goes on.
Feltham is about 6 miles south-west of Ealing, in Greater London. We cover Feltham for air conditioning, along with the rest of Greater London. In Greater London alone we list 764 places, and Feltham is one. You can also see our page for London, about 14 miles away.
The closest recent job we can point to from Feltham was on King Street, Twickenham (TW1), about 3 miles east: installing a Samsung VRF system serving the restaurant dining area, bar, private dining room and kitchen extraction area: seven indoor units in total. Read more
High Street, Railway Terrace and Sandycombe Road and the roads off them are all inside our area. Work in TW14 and TW13 follows the same survey, fixed-price quote and written records as everywhere else we cover. Places around Feltham that are also on our list: Bedfont (1 mile west), Hounslow (1 mile south-west), Hatton (1 mile north), Ashford Common (2 miles south-west) and Cranford (2 miles north). We also work in nearby towns such as London (14 miles east), City of Westminster (12 miles east), Marylebone (12 miles north-east) and Kensington (10 miles east).
Local landmarks in Feltham
Around Feltham, our work takes us to homes and businesses near Hounslow Heath, Moon On The Square pub and Rivers Academy West London and the streets around them. There’s a railway station in Feltham itself: Feltham station. Well-known places in the area include Hounslow Hospital (2.3 miles north-east) and Kempton Steam Museum (1.6 miles south). Not far away are Richmond Hill and Pevensey Road Nature Reserve.
Other services in Feltham
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