Surrey · Air conditioning installation
Air conditioning installation in Dorking
F-Gas certified and NICEIC approved, we cover Dorking for supply, installation and commissioning of air conditioning for homes and businesses, from one room to a whole building. Fixed-price quotes and a 24/7 emergency line.
- Old electric heaters you’d like to replace with something more efficient
- An old system that needs replacing
- Rooms that get too hot to sleep or work in
What happens if it’s left?
New systems now use lower-impact refrigerants. Since 2025, new single split systems with less than 3 kg of refrigerant cannot use F gases with a GWP above 750, which is why R32, with a GWP of 675, is now common. Older R410A systems have a GWP of 2088. Waiting rarely makes an air conditioning problem smaller.
No two properties are the same, so each one gets its own fixed-price quote. The equipment, how we reach it, the route between units and the work needed all play a part.
What you get with us
- Checkatrade member
- We reply to enquiries the same working day
- An F-Gas certified company, as the law requires
- MCS certified for heat pumps
See what air conditioning costs and how to check a contractor.
About our air conditioning in Dorking
Most modern split systems run as heat pumps, so they can heat as well as cool. The Energy Saving Trust makes the same point: an air-to-air heat pump is what many people simply call air conditioning, so a well-chosen unit can be useful in winter as well as summer. Modern air conditioning heats as well as cools: in heating mode they work as an air-to-air heat pump, which is why many owners use theirs all year.
Houses in a town like Dorking tend to have room for an outdoor unit on a side or rear wall, or on the ground. The position is chosen with the neighbours’ windows in mind, and the pipework is kept short and tidy, inside through a loft or outside in trunking.
Looking after a system is mostly common sense: clear space around the outdoor unit, the cleaning the manual describes and a service at the recommended interval. It also keeps you on the right side of any warranty terms that ask for servicing.
- Location
- Dorking (RH4, RH5)
- Wider area
- Surrey
- Credentials
- NICEIC and F-Gas
- Enquiries
- Answered the same working day
- Price guide
- One room: £1,200–£2,200 + VAT
- Quotes
- Fixed, in writing
- Telephone
- 07833 053749
- Checked
- 30 October 2026
When something else is needed
To be straight with you, there are a few things this work will not fix:
- Heat loss through very poor insulation (a system will heat the room, but insulation is a separate job)
- Central heating repairs
- Stuffy rooms that need fresh air rather than cooling
If you are not sure, just ring us on 07833 053749 or drop us a line and we’ll give you a straight answer before booking.
Where we work
- Multi-split systems
- Wall-mounted split systems
- VRF systems
- Ceiling cassettes
- Ducted systems
- Air-to-air heat pumps
FAQs for Dorking
Is air conditioning in Dorking permitted development?
It depends on the property. Central Dorking is a short walk from the Dorking Conservation Area. 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 Mole Valley council, usually the authority for Dorking.
Is Dorking in your area for air conditioning?
Yes. Dorking is one of the places we cover. Just phone 07833 053749, or email if that’s easier with a few details.
Can I do the refrigerant work myself?
No, not the refrigerant side. The F-gas rules require certified companies and qualified engineers for it, and a new electrical circuit is notifiable building work unless a registered competent person does it.
Which accreditations do you hold?
AirCon Doctor is an F-Gas certified company, with NICEIC approval for electrical work and MCS certification for heat pumps. We are also Checkatrade members.
Do you protect the property while you work?
Protection goes down first: dust sheets over floors and anything close to the work. Holes and fixings are agreed with you, and we clean up afterwards before we leave.
How much is air conditioning for one room?
Single-room systems start from £1,200 + VAT and are typically up to £2,200 + VAT. The price includes supply, installation, commissioning and F-Gas documentation and is fixed after a survey or from photos.
Will you need to do electrical work?
In most cases. We check your consumer unit on the survey and include any electrical work on the quote and we install and certify the circuit as NICEIC approved contractors.
How it works
If the system has to be off for part of the visit, we tell you before work begins, so you can plan around it. For businesses, we can usually work room by room or zone by zone. The work takes anything from a day for one room to several days for a multi-room or ducted system. Three things shape a visit in Dorking: parking, access to the outside of the building and when suits you.
- First comes a site survey, or photos and measurements for a straightforward job.
- The quote is fixed and shows the equipment, where each unit goes and what’s included.
- Brackets go on, the units are hung and the refrigerant lines, cable and drain are routed between them.
- We connect the supply, pressure test the pipework and evacuate it before the refrigerant is released.
- Last comes the run-up: every mode checked, the controls explained and the paperwork left with you.
Preparing for the visit
- Tell us about any building rules, permits or sign-in
- Keep pets out of the rooms we are working in
- Clear the space around the indoor unit, or where it will go
Getting a price
If you need air conditioning in Dorking, ring 07833 053749 or use the quote form. Let us know the type of property and what you need, and send a few photos if you can. Enquiries get a reply the same working day.
Advice
What you can do yourself, and what needs us
Leave the units and pipework where they are. Disconnecting a system means dealing with refrigerant, which only a qualified engineer can do, and the electrics need care too. If you need something moved, we can quote for it.
Owner care supports servicing; it doesn’t replace it. Simple care keeps the air moving through the system, but the refrigerant circuit, the electrics and the parts you cannot see still need an engineer at the interval the manufacturer recommends.
Air conditioning in Dorking: local notes
About 21 miles out from central London, Dorking is part of the South East area we work across.
Homes near Church of St Paul are a good example of where we look up the heritage status of the building before fixing anything to it. If you work from home near Dorking Deepdene station, a home office that overheats is one of the easiest rooms to cool.
Dorking is about 10 miles north-west of Crawley, in Surrey. Anywhere in RH4, we cover air conditioning. Across Surrey, we cover 395 places, and Dorking is one of them. Reigate, roughly 6 miles off, has its own page on this site.
One of our jobs in Dorking
South Street, Dorking (RH4)
- Property
- A Victorian townhouse converted to a physiotherapy clinic.
- Work carried out
- Installation of two Panasonic wall-mounted units: one in the main treatment room and one in the reception and waiting area. The Victorian building had solid brick walls and the installation required careful routing of pipework through the original fabric. The outdoor unit was positioned in the service yard to the rear of the property.
- Outcome
- The clinic owner reported that patient comfort during summer treatments had improved significantly. The heating function was also found to be useful for warming the treatment room quickly on winter mornings before the building’s central heating reached operating temperature.
All of RH4 and RH5 is within our area, from busy streets to back roads. If you need air conditioning at a property on High Street, Station Road and London Road or a nearby road, we can help. Places around Dorking that are also on our list: Pixham (1 mile north-east), North Holmwood (1 mile south), Westhumble (2 miles north), Westcott (2 miles west) and Blackbrook (2 miles south-east). We also work in nearby towns such as Guildford (11 miles west), Woking (12 miles north-west), Epsom (8 miles north) and Horley (8 miles south-east).
Around Dorking
Locally, jobs take us to houses, flats and workplaces close to The Wheatsheaf Public House, The Ashcombe School and Deepdene Terrace, among other places. Other local landmarks include The Ashcombe School (0.6 miles north) and Pippbrook House (0.5 miles north). The closest station to Dorking is Dorking Deepdene station, about 0.6 miles north. Other landmarks nearby include Mesolithic Museum (3.9 miles south-west) and Headley Court (4.8 miles north-east). Open spaces near Dorking include Reigate Heath and Box Hill.
What else we do in Dorking
A customer’s words
“Very professional from the initial survey through to installation. The engineer explained everything clearly and the quote was exactly what we paid. Would not hesitate to recommend AirCon Doctor.”
David W., Haywards Heath