Split and multi-split systems in Heston
Split and multi-split air conditioning for businesses in Heston — surveyed, designed and priced in writing before any work starts.
- 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 a split air conditioning system cost in Heston?
In Heston, guide prices run from about £1,850 to £3,795 per system, plus VAT. A typical job (two-room multi-split) usually comes to £4,395–£7,595 plus VAT. Your exact price is fixed in writing once we have surveyed.
A split air conditioning system has an indoor unit and an outdoor unit joined by refrigerant pipework.
Where we work around Heston
In Heston, commercial premises range from street-level shops and restaurants to offices in converted and modern buildings, many with managing agents and landlord consents to work through.
We cover every Heston postcode, including TW5. We also cover Hounslow, Isleworth and Southall, all within easy reach of Heston. For split and multi-split air conditioning in Heston, the survey looks at where the outdoor unit can go, how pipework will reach the indoor units and whether the electrical supply has capacity.
What is included
- Wall-mounted, floor-standing or under-ceiling indoor units
- Outdoor unit on wall brackets, a flat roof frame or ground mounts
- Pipework in neat trunking or concealed routes
- Condensate drainage
- Commissioning, remote or wired controls and F-gas records
Prices in Heston
Prices below include our regional adjustment for London (28% above the UK guide).
| Item | Guide price (ex VAT) | Inc VAT | Basis |
|---|---|---|---|
| Single split 2.5–3.5 kW | £1,850–£3,150 | £2,220–£3,780 | per system |
| Single split 5–7 kW | £2,500–£3,795 | £3,000–£4,554 | per system |
| Multi-split, 2 indoor units | £4,395–£7,595 | £5,274–£9,114 | per system |
| Multi-split, 3–4 indoor units | £6,350–£12,750 | £7,620–£15,300 | per system |
| Extra pipework beyond 5 m | £45–£85 | £54–£102 | per metre |
Ex VAT, supply and install with standard access.
How a job in Heston works
Survey
We size the unit to the room and agree indoor and outdoor positions and the pipe route. For sites in Heston we confirm access and parking beforehand.
Mount the units
Indoor unit on a mounting plate, outdoor unit on brackets or a frame with anti-vibration mounts.
Pipe and wire
Pipework, interconnecting cable and condensate are run and made off neatly.
Test and commission
Pressure test, evacuation, any extra refrigerant charge, then commissioning and handover.
Local points to consider
Pipe routes
Shorter, simpler pipe routes are cheaper and more reliable. We plan routes before quoting.
Access and parking
Town-centre jobs in Heston often come down to access — loading restrictions, parking for the van and getting equipment onto a roof. We check this at survey and plan deliveries around it.
Refrigerant rules
Since 1 January 2025, new single split systems holding under 3 kg of refrigerant in Great Britain cannot use refrigerant with a GWP of 750 or more — in practice, R32 or lower.
Working hours
Most Heston businesses prefer noisy work outside trading hours. Early starts, evenings and weekends can be arranged and are priced up front.
Typical premises in Heston
- Retail and shops: comfortable shop floors, stockrooms and entrances, even with the door open.
- 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.
- Salons and spas: comfortable salons and treatment rooms despite dryers, lamps and steam.
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.
Questions about split systems in Heston
How much does a split air conditioning system cost in Heston?
Guide prices in Heston run from about £1,850 to £3,795 per system, plus VAT. A typical job (two-room multi-split) costs £4,395–£7,595 plus VAT. We fix the price in writing after a free survey.
Do you also cover Hounslow, Isleworth and Southall?
Yes. Alongside Heston, we also cover Hounslow, Isleworth and Southall. Each has its own page with local guide prices.
Which postcodes do you cover in Heston?
All of them, including TW5. Give us your postcode when you enquire and we will confirm the visit details.
Single split or multi-split?
Separate singles are more resilient and can be cheaper for two rooms; a multi-split saves outdoor space. We price both where it is close.
Does a small split need F-gas leak checks?
It depends on the refrigerant charge and type. Many small R32 splits fall below the 5 tonnes CO2 equivalent threshold for mandatory leak checks, but they still need installing and servicing by F-gas certified engineers.
Need split and multi-split air conditioning in Heston?
Free survey and fixed written quote. We reply with a guide price or to book the survey.