Commercial air conditioning installation in County Londonderry
From a single room to a whole floor: commercial air conditioning installation in County Londonderry, planned around your trading hours.
- 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 commercial air conditioning installation cost in County Londonderry?
In County Londonderry, guide prices run from about £1,795 to £4,350 per indoor unit (zone), plus VAT. A typical job (small shop or office, 2–4 indoor units) usually comes to £4,550–£15,195 plus VAT. You get a fixed written quote after the free survey.
Commercial air conditioning installation is the design, supply, fitting and commissioning of a cooling (and usually heating) system for a business premises.
Where we work around County Londonderry
We cover all of County Londonderry, including Derry, Coleraine, Limavady and Magherafelt. Each town below has its own page with local guide prices.
Postcode districts we cover include BT28, BT45, BT46, BT47, BT48, BT49, BT51 and BT52. We plan installations in County Londonderry so the noisy work — core drilling, ceiling access, lifting plant — happens when it disturbs your business least.
Included as standard
- System and unit selection with a clear written specification
- Refrigerant pipework, insulation and condensate drainage (with pumps where needed)
- Electrical supply and isolators by a qualified electrician
- Commissioning, controls set-up and a handover walk-through
- F-gas records, labelling and commissioning certificates
AC installation prices in County Londonderry
These guide prices are adjusted for Northern Ireland, where labour and access costs run about 8% below the UK guide.
| Item | Guide price (ex VAT) | Inc VAT | Basis |
|---|---|---|---|
| Single wall-mounted split (2.5–7 kW) | £1,350–£2,695 | £1,620–£3,234 | per system |
| Ceiling cassette | £1,995–£4,550 | £2,394–£5,460 | per unit |
| Multi-split, 2–4 indoor units | £3,150–£9,150 | £3,780–£10,980 | per system |
| Ducted indoor unit with grilles | £3,150–£7,295 | £3,780–£8,754 | per unit |
| Electrical supply and isolator | £225–£730 | £270–£876 | per system |
Ex VAT, supply and install, standard access and up to about 5 m of pipework per unit.
How it works in County Londonderry
Survey
We measure the space, check the ceiling void, wall construction, glazing and occupancy, and agree where indoor and outdoor units can go.
Design and quote
You get a written specification with unit sizes, positions, pipe routes and a fixed price — plus any planning, landlord or noise points to resolve first.
First fix
Pipework, cabling and condensate runs go in, usually above ceilings or in neat trunking, before the units are hung. We keep work areas in County Londonderry screened and tidy at the end of each day.
Install and test
Indoor and outdoor units are fitted, the system is pressure tested with nitrogen, evacuated and charged with refrigerant.
Commission and hand over
We set up controls, check air flows and temperatures, show your team how to use it and hand over the F-gas and commissioning paperwork.
Points to plan for in County Londonderry
Planning and noise
Outdoor units on commercial buildings often need planning permission — particularly on a front elevation, in a conservation area or on a listed building — and councils may ask for a noise assessment.
Conservation areas
Historic streets and listed buildings in and around County Londonderry are more likely to need planning permission for outdoor units on visible elevations. We check with the council's planning service before work is booked.
Power
Larger systems need a dedicated supply from the distribution board. We check capacity at survey so there are no surprises on install day.
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.
Types of premises we cover in County Londonderry
- Retail and shops: comfortable shop floors, stockrooms and entrances, even with the door open.
Two rules matter for most businesses in Northern Ireland: EU F-gas rules that apply in Northern Ireland (leak checks from 5 tonnes CO2e) and the periodic energy inspection for more than 12 kW of air conditioning.
Questions about AC installation in County Londonderry
How much does commercial air conditioning installation cost in County Londonderry?
Guide prices in County Londonderry run from about £1,795 to £4,350 per indoor unit (zone), plus VAT. A typical job (small shop or office, 2–4 indoor units) costs £4,550–£15,195 plus VAT. We fix the price in writing after a free survey.
Do you also cover County Tyrone, County Antrim and County Armagh?
Yes. Alongside County Londonderry, we also cover County Tyrone, County Antrim and County Armagh. Each has its own page with local guide prices.
Do I need planning permission?
It depends on where the outdoor unit goes and the building. Units on a rear flat roof are often straightforward; front elevations, conservation areas and listed buildings usually need consent. We flag this at survey.
How long does a commercial air conditioning installation take?
A single split system is usually fitted in a day. A small office or shop with three or four units typically takes two to four days, and a VRF system for a whole floor can take several weeks. We confirm the programme in the quote.
Talk to us about your premises in County Londonderry
Free survey and fixed written quote. We reply with a guide price or to book the survey.