Commercial air conditioning in Harpenden
Air conditioning and ventilation for offices, shops, restaurants and technical rooms in Harpenden.
- Free survey for new installations
- Local guide prices for 22 services
- Unit sizes, refrigerant and price set out in writing
Commercial air conditioning in Harpenden
We design, install, service and repair commercial air conditioning and ventilation across Harpenden, and handle the F-gas leak checks and TM44 inspections larger systems need.
Typical prices in Harpenden: a single split from £1,550 installed and a service visit from £190 for the first indoor unit, both plus VAT.
Covering Harpenden and nearby
Harpenden has a compact centre of shops, cafés and offices, with business units on its outskirts. Luton is about 8 km away.
We cover every Harpenden postcode, including AL5. We also work in nearby St Albans, Luton and Hemel Hempstead.
We plan installations in Harpenden so the noisy work — core drilling, ceiling access, lifting plant — happens when it disturbs your business least.
Service and repair visits in Harpenden are booked around your opening hours, with the price agreed before we come.
What businesses in Harpenden ask us for
F-gas leak checks and records
Mandatory leak checks, labelling and records for systems above the threshold.
From £155 per visit, first system, ex VAT
Ceiling cassette air conditioning
Four-way and compact cassettes that sit flush in a suspended ceiling.
From £2,295 per cassette, ex VAT
Air conditioning cleaning
Deep cleaning of coils, fans, trays and drains for fresher, more efficient units.
From £105 per 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
Air curtains
Over-door air curtains that keep heat in and cold out at open entrances.
From £1,550 per doorway, ex VAT
Commercial air conditioning installation
Design, supply and installation of cooling and heating systems for business premises.
From £2,095 per indoor unit (zone), 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 |
Points to plan for in Harpenden
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.
Working hours
Most Harpenden businesses prefer noisy work outside trading hours. Early starts, evenings and weekends can be arranged and are priced up front.
Leased premises
If your Harpenden 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.
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.
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 Harpenden
How much does commercial air conditioning cost in Harpenden?
A single wall-mounted split typically costs £1,550–£2,650 plus VAT installed in Harpenden, 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 St Albans, Luton and Hemel Hempstead?
Yes. Alongside Harpenden, we also cover St Albans, Luton and Hemel Hempstead. Each has its own page with local guide prices.
Can you work outside our opening hours?
Yes. Early starts, evenings and weekends can be arranged, and any extra cost is shown in the quote.
Is the survey free?
Yes, for new installations and replacements on the UK mainland. Service, repair and inspection visits are priced before we book them.
Do you handle landlord consent?
We supply the drawings, unit data sheets and method of fixing your landlord or managing agent will ask for.
Nearby towns
Get a guide price for Harpenden
Send a few details and we will arrange a survey or call you back with a guide price.