VRF and VRV systems in Welling
Cooling and heating for offices, shops and hospitality venues in Welling, with a free site survey and a fixed written quote.
- 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 Welling?
Our guide range in Welling is £3,150–£6,350 per indoor unit (whole system) before VAT; a typical job (office floor of 10–16 indoor units) is £31,500–£101,995 plus VAT. You get a fixed written quote after the 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.
Where we work around Welling
Premises in Welling are often in mixed-use buildings with shared roofs and tight access, so outdoor unit positions are agreed early.
That includes premises in DA16 and the surrounding districts. Neighbouring towns we cover include Bexley, Eltham and Thamesmead. We plan installations in Welling so the noisy work — core drilling, ceiling access, lifting plant — happens when it disturbs your business least.
What is included
- 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
Prices in Welling
These guide prices are adjusted for London, where labour and access costs run about 28% above the UK guide.
| Item | Guide price (ex VAT) | Inc VAT | Basis |
|---|---|---|---|
| Heat pump VRF, per indoor unit | £3,150–£5,695 | £3,780–£6,834 | per unit |
| Heat recovery VRF, per indoor unit | £3,795–£6,350 | £4,554–£7,620 | per unit |
| Central controller and BMS interface | £1,195–£5,050 | £1,434–£6,060 | per system |
| Refrigerant leak detection (per alarmed room) | £505–£1,150 | £606–£1,380 | per room |
| Crane lift for roof plant | £1,195–£3,795 | £1,434–£4,554 | per lift |
Ex VAT, installed system prices including outdoor plant shared across indoor units.
How it works in Welling
Survey and loads
We calculate loads zone by zone and check roof or plant space, risers and ceiling voids.
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. We keep work areas in Welling screened and tidy at the end of each day.
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.
Points to plan for in Welling
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.
Plant space
Outdoor units need clear air flow, structural support and safe access for servicing.
Leased premises
If your Welling premises are leased, the landlord's written consent is usually needed for external units, wall penetrations and roof access. We provide drawings and data sheets for the request.
Premises we work in around Welling
- 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.
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.
Common questions from businesses in Welling
How much does a VRF system cost in Welling?
Guide prices in Welling run from about £3,150 to £6,350 per indoor unit (whole system), plus VAT. A typical job (office floor of 10–16 indoor units) costs £31,500–£101,995 plus VAT. We fix the price in writing after a free survey.
Do you also cover Bexley, Eltham and Thamesmead?
Yes. Alongside Welling, we also cover Bexley, Eltham and Thamesmead. Each has its own page with local guide prices.
Which postcodes do you cover in Welling?
All of them, including DA16. Give us your postcode when you enquire and we will confirm the visit details.
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.
Talk to us about your premises in Welling
Free survey and fixed written quote. We reply with a guide price or to book the survey.