West Sussex · Air conditioning installation
Air con installers in Ellen's Green
We cover Ellen's Green for supply, installation and commissioning of air conditioning for homes and businesses, from one room to a whole building. Diagnosis first, a fixed price and proper paperwork when we finish.
- Not knowing which system, size or brand to choose
- Rooms that get too hot to sleep or work in
- Expensive direct electric heating
Homes in Ellen's Green and air conditioning
Census 2021 figures found about 81% of households in detached or semi-detached houses. A side passage or back wall normally gives the outdoor unit a home, and more than one bedroom can be cooled through a multi-split.
Many split systems run in heating mode too, which makes them useful outside summer.
Ellen's Green is about 5 miles north-west of Horsham, in West Sussex. Whether you’re in the middle of Ellen's Green or further out, we cover air conditioning, from small jobs to large ones. Our area takes in 371 places across West Sussex, from busy centres to quieter spots.
The closest recent job we can point to from Ellen's Green was on High Street, Cranleigh (GU6), about 4 miles north-west: installing two Daikin wall-mounted units in the main working hall and a third unit in the meeting room. Read more
Postcode districts we cover here: RH12. Close to Ellen's Green, our area also takes in Walliswood (2 miles north-east), Mayes Green (2 miles north), Ewhurst Green (3 miles north), Ewhurst (3 miles north) and Cranleigh (4 miles north-west). Within a short drive, we also cover Crawley (10 miles east), Horsham (5 miles south-east), Broadfield (9 miles east) and Storrington (13 miles south).
Landmarks near Ellen's Green
The nearest railway station is Warnham station, about 4 miles east. A little further out are Horsham Hospital (4.8 miles south-east). For a walk, there’s Warnham LNR and Vann Lake.
Air conditioning for homes and businesses in Ellen's Green
Across Ellen's Green, every installation follows the same steps: a site survey, or photos for simple jobs, then a fixed-price quote, the installation, commissioning and F-Gas records. You know the price before any work starts and the paperwork is in your hands when we finish. Air conditioning installation in Ellen's Green starts with a site survey, then a fixed-price quote that names the make and model.
Homes around Ellen's Green typically have room outside for an outdoor unit. More often it’s the walls, the electrics and the length of the pipe run that need thinking about.
Aftercare is simple, and most of it is in the manual: keep the outdoor unit clear, follow the manufacturer’s guidance on cleaning and book a service at the interval they recommend. That also helps where the warranty terms ask for regular servicing.
- Where
- Ellen's Green (RH12)
- Wider area
- West Sussex
- Pricing
- Fixed, in writing
- Guide price
- One room: £1,200–£2,200 + VAT
- Approvals
- NICEIC approved, F-Gas certified
- Phone
- 07833 053749
- Last updated
- 30 October 2026
What affects the quote in Ellen's Green
The diagnosis comes before the price. The main factors are:
- A single visit or a regular plan
- Whether we need access equipment for high-level work
- What kind of system it is
No two properties are the same, so each one gets its own fixed-price quote. The system, the access, the pipe routes and the parts involved all play a part.
What to send for a quote
When you contact us, it’s useful to have:
- Your installation or service records
- Where the property is and what kind of building it is
- The outdoor side of the property, including any roof or flat area
The quickest way to a quote is to send pictures: the room or the existing unit, the outside wall or roof where the outdoor unit sits or would go, and the label on any existing unit. Tell us the address and what you need, and simple jobs can often be priced without a visit.
Do you need air conditioning in Ellen's Green?
Many people try a portable unit first. Portables push their warm air out through a hose in the window, so the window cannot close properly and the noisy part of the unit is in the room. With a split system, the compressor lives outside.
Any of these is worth a proper look:
- An office, shop or restaurant that is uncomfortable for staff and customers
- Old electric heaters you’d like to replace with something more efficient
- Rooms that get too hot to sleep or work in
A loft bedroom or a glazed extension is often the room that prompts the first call.
Before booking anyone
- Whether a new circuit is included and who certifies it
- What’s in the price and what isn’t
- The make and model of any parts or equipment being quoted
How the job changes from property to property
Outdoor unit positions
The outdoor unit can go on a wall bracket, on the ground or on a flat roof, whatever suits the building and the route. It needs space around it to breathe and for an engineer to work on it.
Wall-mounted split systems
Wall-mounted units suit bedrooms, living rooms, home offices and small commercial rooms. We choose the position for even airflow and easy filter access, and away from where the air would blow straight onto people.
Questions from Ellen's Green
Will you come out to Ellen's Green?
Yes, smaller places are covered as well as towns. Send a few details and pictures, and we reply the same working day.
Can I fit air conditioning in Ellen's Green without planning permission?
It depends on the property. The half-mile around the middle of Ellen's Green holds about 6 listed buildings and structures. Permitted development only covers heat pumps that aren’t 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 Horsham council, which is typically the planning authority for Ellen's Green.
Will I get records for the system?
Yes, on every job. A new system comes with commissioning details, F-Gas records and the manufacturer’s warranty information, and repairs and services get a record of the work.
Do you offer maintenance contracts?
Yes. We offer maintenance contracts, set at the interval the system and the manufacturer’s terms need. Each visit is written up, with F-Gas records where refrigerant work is involved.
Does servicing affect my warranty?
It can, for some brands. Send us the make and model and we will tell you what the manufacturer expects, and book the service at the interval they recommend.
How do I know what size unit to get?
It depends on the room, not only its floor area. Glazing, orientation, the roof and what goes on in the room all affect it, and we take them all into account on the survey.
Does air conditioning need its own electrical supply?
Most of the time, yes: a dedicated circuit is needed. Under Part P, a new circuit has to be notified unless a registered competent person does it, and we are NICEIC approved, so we can install and certify it.
Places near Ellen's Green
Other services in Ellen's Green
How the visit works
We book the visit for a day and time that suit you, and we let you know if plans need to move. On arrival, the engineer compares the job with the survey, your pictures or the details you gave us. If something is different, we talk it through with you before carrying on. After that, it takes anything from a day for one room to several days for a multi-room or ducted system. A few pictures help us make the most of a visit to Ellen's Green.
- Diagnosis comes first, with a survey of the rooms, outside space and fuse board.
- Next, a recommendation for each room and a fixed price.
- Then the work: units up, pipes and drain run, and a new circuit where needed.
- Testing: the circuit is pressure tested and evacuated before the refrigerant is released.
- The sign-off: commissioning, a walk through the controls, and the F-Gas records and warranty details.
Preparing for the visit
- Keep pets and children away from the work area
- Make sure we can reach the outdoor unit, or where it will go
- Find the manual or the paperwork for the system, if you have it
Ask for a quote
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 anything you’ve noticed, such as an error code or a noise. Once you have those, phone us on 07833 053749, or email if that’s easier.
Related advice
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