VRF and VRV systems in County Londonderry
From a single room to a whole floor: VRF and VRV air conditioning 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 a VRF system cost in County Londonderry?
In County Londonderry, guide prices run from about £2,250 to £4,550 per indoor unit (whole system), plus VAT. A typical job (office floor of 10–16 indoor units) usually comes to £22,500–£72,995 plus VAT. The fixed price follows a free survey.
VRF (variable refrigerant flow) — called VRV by some manufacturers — is a commercial air conditioning system where one outdoor unit, or a bank of them, serves many indoor units through a shared refrigerant network.
Our coverage in County Londonderry
We cover all of County Londonderry, including Derry, Coleraine, Limavady and Magherafelt. We quote for premises right across County Londonderry, including rural and edge-of-town sites.
Postcode districts we cover include BT28, BT45, BT46, BT47, BT48, BT49, BT51 and BT52. In County Londonderry we work with offices, shops and hospitality premises, from a single room to a whole floor; each job starts with a heat load check rather than a guess from the floor area.
What you get
- Heat load and diversity calculations for every zone
- Two-pipe (heat pump) or three-pipe / two-pipe heat recovery system design
- Leak detection where the refrigerant concentration limits require it
- Central controls, scheduling and BMS integration
- Phased installation, pressure testing, commissioning and full F-gas records
Local guide prices for 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 |
|---|---|---|---|
| Heat pump VRF, per indoor unit | £2,250–£4,095 | £2,700–£4,914 | per unit |
| Heat recovery VRF, per indoor unit | £2,695–£4,550 | £3,234–£5,460 | per unit |
| Central controller and BMS interface | £870–£3,650 | £1,044–£4,380 | per system |
| Refrigerant leak detection (per alarmed room) | £365–£825 | £438–£990 | per room |
| Crane lift for roof plant | £870–£2,695 | £1,044–£3,234 | per lift |
Ex VAT, installed system prices including outdoor plant shared across indoor units.
How a job in County Londonderry works
Survey and loads
We calculate loads zone by zone and check roof or plant space, risers and ceiling voids. For sites in County Londonderry we confirm access and parking beforehand.
System design
Outdoor units, indoor units, branch boxes and pipe sizes are designed together, including the refrigerant charge and any leak detection.
Phased first fix
Pipework and controls cabling go in floor by floor, often out of hours in occupied buildings.
Pressure test and charge
The network is pressure tested, evacuated and charged with the calculated refrigerant quantity.
Commissioning
Each indoor unit is commissioned and the controls set up, with as-fitted drawings and F-gas records handed over.
What to think about in County Londonderry
Leak checks
Larger VRF systems usually exceed 5 tonnes CO2 equivalent, so they need at least annual F-gas leak checks — more often at 50 tonnes and above.
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.
Refrigerant in occupied rooms
Because one network carries a large refrigerant charge, small rooms on the system are checked against the safety limits in BS EN 378 and may need leak detection.
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.
Premises we work in around County Londonderry
- Hotels and hospitality: quiet bedroom units, public-area cooling and heat recovery for hotels.
- Offices: zoned cooling and heating for open-plan floors, meeting rooms and comms rooms.
Compliance in Northern Ireland: refrigerant work falls under EU F-gas rules that apply in Northern Ireland, and buildings with more than 12 kW of air conditioning in total need a periodic energy inspection (often called TM44).
FAQs for County Londonderry
How much does a VRF system cost in County Londonderry?
Guide prices in County Londonderry run from about £2,250 to £4,550 per indoor unit (whole system), plus VAT. A typical job (office floor of 10–16 indoor units) costs £22,500–£72,995 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.
Does a VRF system need F-gas leak checks?
Usually yes. Most VRF systems hold enough refrigerant to exceed 5 tonnes CO2 equivalent, which triggers at least annual leak checks and record keeping.
What is the difference between VRF and VRV?
None in practice. VRV is one manufacturer's trademark; VRF is the generic name for the same type of system.
Get a guide price for County Londonderry
Free survey and fixed written quote. We reply with a guide price or to book the survey.