Commercial air conditioning in Sunbury-on-Thames
Surveyed, specified and priced in writing: commercial air conditioning across Sunbury-on-Thames.
- Free survey for new installations
- Local guide prices for 22 services
- Unit sizes, refrigerant and price set out in writing
Commercial air conditioning in Sunbury-on-Thames
We design, install, service and repair commercial air conditioning and ventilation across Sunbury-on-Thames, and handle the F-gas leak checks and TM44 inspections larger systems need.
In Sunbury-on-Thames, a single split system typically costs £1,650–£2,795 plus VAT installed; a ceiling cassette is priced per unit.
Working in Sunbury-on-Thames
Businesses in Sunbury-on-Thames range from independent shops and restaurants to offices, clinics and warehouses. Woking is about 14 km away.
Postcode districts we cover in Sunbury-on-Thames include KT8, KT12, TW12, TW13, TW16 and TW17. Nearby, we also cover Walton-on-Thames (about 2 km), West Molesey (about 3 km) and Hampton (about 4 km).
We plan installations in Sunbury-on-Thames so the noisy work — core drilling, ceiling access, lifting plant — happens when it disturbs your business least.
Before a visit in Sunbury-on-Thames we ask for the make, model and number of units so the engineer arrives with the right filters, parts and access equipment.
Popular services in Sunbury-on-Thames

Heat recovery ventilation (MVHR)
Fresh air with most of the heat kept in, for offices, classrooms and studios.
From £5,695 per unit installed, ex VAT

Air conditioning servicing
Routine servicing that keeps systems efficient, clean and within warranty.
From £195 per visit, first indoor unit, ex VAT

Office air conditioning
Quiet, efficient cooling and heating for offices, meeting rooms and co-working space.
From £2,450 per zone, ex VAT

Planned maintenance contracts
Scheduled PPM visits, F-gas leak checks and records for your whole estate.
From £225 per indoor unit, per year, ex VAT

Server room and comms room cooling
Dedicated 24/7 cooling with back-up for IT, comms and plant rooms.
From £4,550 per room (duty/standby pair), ex VAT

Ceiling cassette air conditioning
Four-way and compact cassettes that sit flush in a suspended ceiling.
From £2,450 per cassette, ex VAT
All services and local guide prices
Air conditioning installation
| Service | From (ex VAT) | Basis |
|---|---|---|
| Commercial air conditioning installation | £2,250 | per indoor unit (zone) |
| Office air conditioning | £2,450 | per zone |
| VRF and VRV systems | £2,795 | per indoor unit (whole system) |
| Ceiling cassette air conditioning | £2,450 | per cassette |
| Ducted air conditioning | £3,950 | per ducted zone |
| Split and multi-split systems | £1,650 | per system |
| Air-to-air heat pumps | £1,895 | per zone |
| Server room and comms room cooling | £4,550 | per room (duty/standby pair) |
Servicing, repairs and replacement
| Service | From (ex VAT) | Basis |
|---|---|---|
| Air conditioning servicing | £195 | per visit, first indoor unit |
| Planned maintenance contracts | £225 | per indoor unit, per year |
| Air conditioning repairs | £165 | per repair visit |
| Air conditioning cleaning | £110 | per indoor unit |
| Air conditioning replacement and upgrades | £1,895 | per indoor unit |
F-gas and TM44 compliance
| Service | From (ex VAT) | Basis |
|---|---|---|
| F-gas leak checks and records | £165 | per visit, first system |
| TM44 air conditioning inspections | £455 | per building |
| Decommissioning and refrigerant recovery | £280 | per system |
Ventilation and air quality
| Service | From (ex VAT) | Basis |
|---|---|---|
| Commercial ventilation | £3,395 | per system |
| Heat recovery ventilation (MVHR) | £5,695 | per unit installed |
| Fan coil units | £75 | per fan coil serviced |
| Air handling units | £280 | per unit, per visit |
Design and specialist systems
| Service | From (ex VAT) | Basis |
|---|---|---|
| HVAC design and heat load surveys | £570 | per project |
| Air curtains | £1,650 | per doorway |
What to think about in Sunbury-on-Thames
Conservation areas
Historic streets and listed buildings in and around Sunbury-on-Thames are more likely to need planning permission for outdoor units on visible elevations. We check with the local planning authority before work is booked.
Neighbours and noise
Outdoor units near flats — common above shops — need careful siting so noise at neighbours' windows stays low. We choose positions and quieter units with that in mind.
Roof and height work
Flat roofs, high walls and atriums need the right access equipment and edge protection. We plan towers, MEWPs or scaffold before the job, not on the day.
Shared buildings
In multi-let buildings, roof space, risers and plant areas are often controlled by a managing agent. We work to their permits and method-statement requirements.
Two rules matter for most businesses in England: GB F-gas rules (leak checks from 5 tonnes CO2e) and the periodic energy inspection for more than 12 kW of air conditioning.
FAQs for Sunbury-on-Thames
How much does commercial air conditioning cost in Sunbury-on-Thames?
A single wall-mounted split typically costs £1,650–£2,795 plus VAT installed in Sunbury-on-Thames, and a ceiling cassette £2,450–£5,695 per unit. A small shop or office with two to four indoor units usually comes to £5,695–£18,995 plus VAT.
Do you also cover Walton-on-Thames, West Molesey and Hampton?
Yes. Alongside Sunbury-on-Thames, we also cover Walton-on-Thames, West Molesey and Hampton. Each has its own page with local guide prices.
Is the survey free?
Yes, for new installations and replacements on the UK mainland. Service, repair and inspection visits are priced before we book them.
Which refrigerant do new systems use?
Most new small split systems use R32, because new single splits under 3 kg in Great Britain cannot use refrigerants with a GWP of 750 or more. Larger systems vary by equipment.
Do you service systems you did not install?
Yes. We service most commercial makes and models; tell us the make and model if you know them.
Nearby towns
Air conditioning for your premises in Sunbury-on-Thames
Send a few details and we will arrange a survey or call you back with a guide price.