West Sussex · Commercial air conditioning
Commercial air conditioning in Horsham, West Sussex
One call covers commercial air conditioning in Horsham: diagnosis, fixed price, work and sign-off. An F-Gas certified company, NICEIC approved, on Checkatrade.
- Older systems on refrigerants that are getting scarcer
- Comms rooms without enough cooling
- Offices that get too hot in summer
Different systems, different jobs
Shops and restaurants
Shops and restaurants need comfortable customers and staff. Work can be scheduled out of hours so the doors can stay open.
Server and comms rooms
IT equipment produces heat around the clock and the cooling must keep up all year. The design is based on the equipment’s heat output.
How we handle commercial air conditioning in Horsham
We design, install and look after air conditioning for businesses in Horsham and across West Sussex. That includes offices, shops, restaurants, hotels, schools and server rooms and we choose the system to suit the space and the way it’s used. The work covers VRF systems, server and comms room cooling and multi-split systems, and the jobs we see most are new tenancies needing cooling and heating and systems over 12 kW due a TM44 inspection.
A comms room in Horsham needs cooling every day of the year, and many businesses add a second unit so cooling carries on if one fails.
Warranty on the equipment is the manufacturer’s own, on the manufacturer’s terms, and we explain those terms on your quote. Terms differ from brand to brand, so we go through them with you rather than leave you to find the small print.
- Place
- Horsham (RH12, RH13, RH20, BN44)
- Wider area
- West Sussex
- Approvals
- NICEIC approved, F-Gas certified
- Pricing
- A fixed price before work begins
- Costs
- Priced once we’ve surveyed
- Phone
- 07833 053749
- Reviewed
- 30 October 2026
Towns and villages near Horsham
Also in Horsham
Safe owner checks
Keep a note of anything odd: an error code, a new noise, a drip, a smell or a change in how well the system heats or cools. It makes our diagnosis quicker, and a photo or a short video of the display is even better.
Refrigerant is off limits for anyone without the right qualifications. The law requires anyone working on equipment containing F gas to hold the right qualifications, and the company to be certified, and refrigerant lines can cause cold burns. If you suspect a leak, switch the system off and call us.
FAQs for Horsham
Do you cover Horsham for commercial air conditioning?
Yes. Horsham is one of the places we cover. Tell us a little about the job and we will take it from there.
Can I get a fixed-price quote for commercial air conditioning in Horsham?
Use the quote form, or email, with a description of the job. Simple jobs can be priced from pictures; otherwise we arrange a site survey and then give you a fixed-price quote.
Do you work on commercial properties?
Yes. From a single let flat to offices, shops and public buildings, the approach is the same: a look first, a fixed-price quote and written records.
Are you TM44 assessors?
We are not accredited energy assessors, so we don’t inspect. We can prepare for the inspection and put right what it finds.
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.
Do you offer emergency call-outs?
Yes, day and night. Call the emergency line and tell us the make, the symptoms and any error code, and we will advise on what to do next.
Can you look at a system you didn’t fit?
Yes. We look at it first and tell you what we find, including any issues with how it was fitted. Any work is priced before it goes ahead.
Keeping the system healthy
So the system stays in good health:
- Don’t let servicing slip
- Call about warning signs right away
- Tell us early about fit-outs or changes of use
Should anything seem off after handover, call us on 07833 053749 or write to us at info@aircondoctor.co.uk and we will come back to it. There’s a 24/7 emergency line for breakdowns.
Train staff to use the controls sensibly. Units heating and cooling the same space at once is a common problem, and we can help set them up.
Business air conditioning in Horsham
There are about 60 restaurants, cafés and canteens, about 4 hotels and guest houses and about 7 schools and colleges in and around Horsham, up to about a mile and a half out, according to the Food Standards Agency’s register. Restaurants, hotels, schools and care settings each need cooling designed for their hours and heat loads. There are 3 conservation areas within a mile of the centre of Horsham. North Chapel, listed at grade II*, is one of roughly 72 protected buildings and structures in the half-mile around Horsham’s centre. Before any outdoor unit is fixed here, we find out whether the building is protected. Where it is, the planning team at Horsham council, which usually handles Horsham has the final say on what’s allowed.
Churches and halls such as Hope Chapel are often used a few hours at a time, which suits a system that heats or cools a space quickly, once consents are in place. Around Horsham station, an office brief might cover an open-plan floor, meeting rooms and a comms cupboard, each with its own needs.
Horsham is about 31 miles south of London, in West Sussex. Our engineers cover Horsham for commercial air conditioning and across the rest of West Sussex. Our West Sussex coverage runs to 371 places, and Horsham is one of them.
A recent job of ours in Horsham was on Hurst Road (RH12): installing two LG wall-mounted split systems: one serving the main treatment room and one serving the reception and waiting area.
From Station Road, London Road and Market Square to the smaller roads in between, the whole area is covered. Work in RH12, RH13, RH20 and BN44 follows the same survey, fixed-price quote and written records as everywhere else we cover. Neighbouring places we cover include Tower Hill (1 mile south-west), Broadbridge Heath (2 miles west), Holbrook (2 miles north), Warnham (2 miles north-west) and Southwater (3 miles south). We also work in nearby towns such as Crawley (7 miles north-east), Haywards Heath (11 miles south-east), Burgess Hill (11 miles south-east) and East Grinstead (14 miles east).
Local landmarks in Horsham
Around Horsham, our work takes us to homes and businesses near Millais School, Warnham Park and Kingslea Primary School, among other places. Horsham has its own railway station: Horsham station. Well-known places in the area include Christs Hospital School Museum (2.4 miles south-west) and Horsham Hospital (within half a mile north-west). The countryside around Horsham includes Warnham LNR.
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 photos or the details you gave us. Anything unexpected is raised with you before we go further. After that, it takes as long as the site and the system need, from a short install to a phased project planned around opening hours. In the busier parts of Horsham, parking near the property is worth planning.
- We start with the details of the building and the problem.
- A site survey confirms the heat load, the layout and the access.
- We set out the options, the price and the programme.
- Installation goes ahead around the business.
- The system is commissioned and maintenance can be arranged.
Preparing for the visit
- Find the manual or the paperwork for the system, if you have it
- Tell us about any building rules, permits or sign-in
- Let us know where we can park and unload
Ask for a quote
Photos are enough for some jobs; others need a visit first. Multi-room systems, commercial buildings and anything with a long or hidden pipe route are normally surveyed first. Either way, you get a fixed price before any work is booked.
Advice
What a customer said
“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