Air conditioning replacement and upgrades in West Sussex
A free survey, a clear specification and a fixed price for air conditioning replacement in West Sussex.
- Free site survey and fixed written quote
- Unit sizes, refrigerant and price set out in writing
- Work planned around your opening hours
How much does it cost to replace air conditioning in West Sussex?
In West Sussex, guide prices run from about £1,895 to £5,095 per indoor unit, plus VAT. A typical job (replacing a 3–4 unit system, re-using sound pipework) usually comes to £6,850–£16,695 plus VAT. You get a fixed written quote after the free survey.
Air conditioning replacement is removing an old system — often one using R22 or R410A refrigerant — and installing new, more efficient equipment, re-using pipework where it is safe and compatible.
Where we work around West Sussex
We cover all of West Sussex, including Crawley, Worthing, Bognor Regis, Littlehampton and Horsham. Each town below has its own page with local guide prices.
Postcode districts we cover include BN5, BN14, BN42, BN99, PO10, PO22, RH14 and RH77. We plan installations in West Sussex so the noisy work — core drilling, ceiling access, lifting plant — happens when it disturbs your business least.
What is included
- Condition survey of the existing system
- Pipework re-use assessment, flushing where suitable
- Refrigerant recovery with waste transfer documentation
- Removal and disposal of old equipment
- Installation of new efficient units
Guide prices in West Sussex
Prices below include our regional adjustment for the South East (15% above the UK guide).
| Item | Guide price (ex VAT) | Inc VAT | Basis |
|---|---|---|---|
| Like-for-like split replacement | £1,895–£3,950 | £2,274–£4,740 | per system |
| Cassette replacement | £2,450–£5,095 | £2,940–£6,114 | per unit |
| Refrigerant recovery and disposal | £225–£685 | £270–£822 | per system |
| Pipework flush and test (re-use) | £225–£685 | £270–£822 | per circuit |
Ex VAT, supply and install.
The steps for a project in West Sussex
Survey
We record what is installed, its condition and refrigerant, and what can be re-used.
Plan the swap
Removal and installation are scheduled to keep downtime short.
Recover and remove
Refrigerant is recovered into certified cylinders and the old units removed. In West Sussex we agree timings around your opening hours.
Install and commission
New units are fitted, tested and commissioned with fresh records.
Before you book in West Sussex
Disposal
Old refrigerant must be recovered by certified engineers and the units disposed of as waste electrical equipment.
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.
Downtime
We schedule the swap to keep the space usable, often over a weekend.
Conservation areas
Historic streets and listed buildings in and around West Sussex are more likely to need planning permission for outdoor units on visible elevations. We check with the local planning authority before work is booked.
Premises we work in around West Sussex
- Restaurants and cafés: dining rooms that stay comfortable next to a hot kitchen and a busy service.
- Pubs and bars: cooling for busy bars, function rooms and cellars, sited with neighbours in mind.
- Gyms and leisure: high-capacity cooling and fresh air for gym floors, studios and changing rooms.
- Hotels and hospitality: quiet bedroom units, public-area cooling and heat recovery for hotels.
In England, systems holding 5 tonnes CO2 equivalent of refrigerant or more fall under GB F-gas rules, with regular leak checks and records; buildings with more than 12 kW of air conditioning in total also need a periodic energy inspection.
Your questions answered
How much does it cost to replace air conditioning in West Sussex?
Guide prices in West Sussex run from about £1,895 to £5,095 per indoor unit, plus VAT. A typical job (replacing a 3–4 unit system, re-using sound pipework) costs £6,850–£16,695 plus VAT. We fix the price in writing after a free survey.
Do you also cover East Sussex, Surrey and Hampshire?
Yes. Alongside West Sussex, we also cover East Sussex, Surrey and Hampshire. Each has its own page with local guide prices.
What happens to the old refrigerant?
It is recovered into certified cylinders and sent for reclamation or destruction, with the paperwork kept on your records.
Will a new system be cheaper to run?
Usually. Modern inverter systems are considerably more efficient than equipment from 15–20 years ago, though savings depend on use.
Need air conditioning replacement in West Sussex?
Free survey and fixed written quote. We reply with a guide price or to book the survey.