Windsor and Maidenhead · Air conditioning installation
Air conditioning installation in Dedworth
Air conditioning across Dedworth and nearby, from a site survey or diagnosis to sign-off with the price fixed before work begins.
- An old system that needs replacing
- Commercial rooms that are too warm for staff
- Uncertainty over the right type and size of system
The process
Protection comes first: dust sheets over floors and furniture near the work and nothing is moved without asking you. Then the electrics are made safe and the work begins. The work on site takes a day or more, depending on the number of rooms, the pipe routes and the access, and we tidy up before we leave. A few pictures let us plan a visit to a place like Dedworth.
- Diagnosis comes first, with a survey of the rooms, outside space and fuse board.
- Next, a recommendation for each room and a fixed price.
- The treatment: units fitted, pipework and drain routed, and the electrics installed.
- Testing: the circuit is pressure tested and evacuated before the refrigerant is released.
- Finally, the clean bill of health: commissioning, the controls explained and your paperwork handed over.
Preparing for the visit
- Make sure we can reach the consumer unit or fuse board
- Unlock any gate, garage or side passage we need
- Let us know if the building has a permit or sign-in process
Getting a quote
Every quote starts with a look at the job, either on a site survey or, for simple jobs, from your photos and details. Then you get a fixed price so you know the cost before we begin.
Related advice
Air conditioning for homes and businesses in Dedworth
Think of it as diagnose, treat and sign off: the survey diagnoses what the rooms need, the installation is the treatment and commissioning is the sign-off. The sign-off includes testing every mode, showing you the controls and handing over the F-Gas records. Looking for air con installers near Dedworth? We are based in East Grinstead and cover London and the South East, with a fixed-price quote before any work starts.
Most single-room installs in Dedworth are done in a day, with multi-room systems taking longer depending on pipe routes.
Around Dedworth, older cottages and newer houses can be very different to work on. Thick walls, low ceilings and beams need care with pipe routes, and a listed home needs consent before anything is fixed to it.
For a fault on a system that may still be under warranty, send us the make, model and installation date. We will tell you how the manufacturer’s warranty is likely to apply before anything chargeable is done.
- Place
- Dedworth (SL4)
- Region
- Windsor and Maidenhead
- Response
- We reply the same working day
- Credentials
- NICEIC approved, F-Gas certified
- Typical price
- From £1,200 + VAT
- Price
- Fixed, in writing
- Telephone
- 07833 053749
- Last updated
- 30 October 2026
Also near Dedworth
Other services in Dedworth
Your questions about air conditioning in Dedworth
Can I fit air conditioning in Dedworth without planning permission?
The answer turns on the property and where the outdoor unit would sit. A conservation area takes in the middle of Dedworth. Put simply: reversible systems on houses can be permitted development, cooling-only ones can’t, listed buildings need consent, and conservation areas limit outdoor units facing a road. When your property needs a decision, we contact the planning department at Windsor and Maidenhead council, normally the authority for Dedworth.
Do you cover smaller places like Dedworth?
Yes, smaller places are covered as well as towns. A few photos and the postcode are enough to get things started.
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. Send us the make and model if you have it.
Can you fit air conditioning in a leasehold flat?
That depends on the lease, the building and where the outdoor unit could go. Balconies, flat roofs and rear walls can all work, subject to consent, and we check the options on the survey. This is general information, not legal advice.
Why does F-Gas certification matter?
For refrigerant work, both the engineer and the company need the right F-gas credentials. Ask to see proof before booking anyone, and we’re happy to show ours.
Do you protect the property while you work?
We put dust sheets over floors and furniture near the work first, and we tidy up as we go. Before we leave, we clear up and run through the work with you.
How does the warranty work?
It’s the manufacturer’s, and the terms are theirs. Some brands make regular servicing a condition, so keep your service records.
Honest limits
Some problems need a different service or another trade:
- Heat loss through very poor insulation (a system will heat the room, but insulation is a separate job)
- Problems with a gas boiler or the radiators
- Damp or condensation caused by leaks or poor ventilation in the building (that needs the cause fixing)
If in doubt, give us a ring on 07833 053749 or use the quote form and we will say what we think.
What we work on in Dedworth
- Air-to-air heat pumps
- Ducted systems
- Wall-mounted split systems
- Multi-split systems
- Ceiling cassettes
- VRF systems
Landlords, agents and facilities managers
From a single flat to a whole estate, you get the same standard: diagnosis, a fixed price, access agreed with the people on site and paperwork at the end.
Larger air conditioning systems in buildings need more than servicing: systems with an effective rated output over 12 kW need a TM44 inspection by an accredited energy assessor at least every 5 years. We can arrange it, prepare the system for it and fix what it finds.
What we’re called out for in Dedworth
Bedrooms that are too warm at night are a frequent reason for a call. An open window does not always cool a bedroom that has warmed up all day, particularly when there’s no breeze.
What we are most often called about:
- A study or office that overheats during the day
- A system on old refrigerant that’s due for replacement
- Too many options and no clear advice
If your home is in one of the older streets near All Saints Church, it’s worth checking whether it’s listed or in a conservation area before an install.
Before booking anyone
- Whether the price is fixed or an estimate
- Whose warranty applies, and on what terms
- Why the equipment they’re quoting suits the job
Air conditioning in Dedworth: local notes
The Valuation Office Agency’s council tax figures date about 56% of homes across Dedworth and its surrounding area to the post-war years, 1945 to 1972. Homes of that age usually have cavity or solid brick walls, and we check which before planning the pipe route.
St Leonard's Hill (roughly 0.6 miles south) shows the area has its share of heritage. A listed home needs consent before an outdoor unit or pipework goes on.
Dedworth is about 1 mile west of Windsor, in Windsor and Maidenhead. Anywhere in SL4, we cover air conditioning. Dedworth is one of 57 places in Windsor and Maidenhead where we work for homes and businesses. The nearest of our city pages is Guildford, around 16 miles from Dedworth.
The closest recent job we can point to from Dedworth was on Church Street, Staines-upon-Thames (TW18), about 7 miles south-east: installing two LG wall-mounted units in the main office area and a single unit in the client meeting room. More about it
Whether you are on Ash Lane, Wolf Lane and Roses Lane or anywhere close by, we can help. Work in SL4 follows the same survey, fixed-price quote and written records as everywhere else we cover. Neighbouring places we cover include Windsor (1 mile east), Oakley Green (1 mile west), Boveney (1 mile north), Clewer (1 mile north-east) and Water Oakley (1 mile north-west). We also work in nearby towns such as Maidenhead (5 miles north-west), Boyn Hill (5 miles north-west), North Ascot (5 miles south-west) and Cookham (7 miles north-west).
Landmarks near Dedworth
Typical jobs here are in properties near Windsor Girls' School, Windsor Girls' School and The Greene Oak pub, among other places. The nearest railway station is Windsor & Eton Central station, roughly 1.7 miles east of the centre. A little further out are Windsor Castle (1.9 miles east) and King Edward VII Hospital (1.5 miles east). The countryside around Dedworth includes Bray Pit and Taplow Lake.
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