Commercial air conditioning in Welwyn Garden City
Air conditioning and ventilation for offices, shops, restaurants and technical rooms in Welwyn Garden City.
- Free survey for new installations
- Local guide prices for 22 services
- Unit sizes, refrigerant and price set out in writing
Commercial air conditioning in Welwyn Garden City
For businesses in Welwyn Garden City we cover the full job: survey, design, installation, servicing, repairs and the compliance paperwork that goes with them.
Guide prices in Welwyn Garden City start from about £1,550 for a single wall-mounted split, installed, and £190 for a service visit covering the first indoor unit, plus VAT.
Covering Welwyn Garden City and nearby
Businesses in Welwyn Garden City range from independent shops and restaurants to offices, clinics and warehouses. Luton is about 17 km away.
We cover every Welwyn Garden City postcode, including AL8. Nearby, we also cover Hatfield (about 4 km), Hertford (about 9 km) and St Albans (about 10 km).
Commercial air conditioning in Welwyn Garden City is priced from a written specification: unit sizes, positions, pipe routes, condensate, electrics, controls and commissioning are all listed.
Before a visit in Welwyn Garden City we ask for the make, model and number of units so the engineer arrives with the right filters, parts and access equipment.
What businesses in Welwyn Garden City ask us for
HVAC design and heat load surveys
Heat load calculations, system design and specifications before you buy.
From £535 per project, ex VAT
Planned maintenance contracts
Scheduled PPM visits, F-gas leak checks and records for your whole estate.
From £210 per indoor unit, per year, ex VAT
Air conditioning servicing
Routine servicing that keeps systems efficient, clean and within warranty.
From £190 per visit, first indoor unit, ex VAT
Ducted air conditioning
Hidden units above the ceiling, with only slim grilles on show.
From £3,750 per ducted zone, ex VAT
Office air conditioning
Quiet, efficient cooling and heating for offices, meeting rooms and co-working space.
From £2,295 per zone, ex VAT
Split and multi-split systems
Wall-mounted and multi-room systems for smaller premises.
From £1,550 per system, ex VAT
All services and local guide prices
Air conditioning installation
| Service | From (ex VAT) | Basis |
|---|---|---|
| Commercial air conditioning installation | £2,095 | per indoor unit (zone) |
| Office air conditioning | £2,295 | per zone |
| VRF and VRV systems | £2,650 | per indoor unit (whole system) |
| Ceiling cassette air conditioning | £2,295 | per cassette |
| Ducted air conditioning | £3,750 | per ducted zone |
| Split and multi-split systems | £1,550 | per system |
| Air-to-air heat pumps | £1,795 | per zone |
| Server room and comms room cooling | £4,250 | per room (duty/standby pair) |
Servicing, repairs and replacement
| Service | From (ex VAT) | Basis |
|---|---|---|
| Air conditioning servicing | £190 | per visit, first indoor unit |
| Planned maintenance contracts | £210 | per indoor unit, per year |
| Air conditioning repairs | £155 | per repair visit |
| Air conditioning cleaning | £105 | per indoor unit |
| Air conditioning replacement and upgrades | £1,795 | per indoor unit |
F-gas and TM44 compliance
| Service | From (ex VAT) | Basis |
|---|---|---|
| F-gas leak checks and records | £155 | per visit, first system |
| TM44 air conditioning inspections | £425 | per building |
| Decommissioning and refrigerant recovery | £265 | per system |
Ventilation and air quality
| Service | From (ex VAT) | Basis |
|---|---|---|
| Commercial ventilation | £3,195 | per system |
| Heat recovery ventilation (MVHR) | £5,350 | per unit installed |
| Fan coil units | £70 | per fan coil serviced |
| Air handling units | £265 | per unit, per visit |
Design and specialist systems
| Service | From (ex VAT) | Basis |
|---|---|---|
| HVAC design and heat load surveys | £535 | per project |
| Air curtains | £1,550 | per doorway |
Before you book in Welwyn Garden City
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.
Leased premises
If your Welwyn Garden City 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.
Access and parking
Town-centre jobs in Welwyn Garden City 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.
Working hours
Most Welwyn Garden City businesses prefer noisy work outside trading hours. Early starts, evenings and weekends can be arranged and are priced up front.
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 in Welwyn Garden City
How much does commercial air conditioning cost in Welwyn Garden City?
A single wall-mounted split typically costs £1,550–£2,650 plus VAT installed in Welwyn Garden City, and a ceiling cassette £2,295–£5,350 per unit. A small shop or office with two to four indoor units usually comes to £5,350–£17,795 plus VAT.
Do you also cover Hatfield, Hertford and St Albans?
Yes. Alongside Welwyn Garden City, we also cover Hatfield, Hertford and St Albans. Each has its own page with local guide prices.
Do you handle landlord consent?
We supply the drawings, unit data sheets and method of fixing your landlord or managing agent will ask for.
Do you service systems you did not install?
Yes. We service most commercial makes and models; tell us the make and model if you know them.
Which refrigerant do new systems use?
Most new small split systems use R32, because new single splits under 3 kg in Great Britain cannot use refrigerants with a GWP of 750 or more. Larger systems vary by equipment.
Nearby towns
Get a guide price for Welwyn Garden City
Send a few details and we will arrange a survey or call you back with a guide price.