Air handling units in Harpenden
Air handling unit servicing and repairs in Harpenden, with the visit price agreed before we come and a written report after.
- Visit price agreed before we book
- Written report after every visit
- F-gas records updated where required
How much does an air handling unit service cost in Harpenden?
Typical prices in Harpenden run from £265 to £645 per unit, per visit before VAT; a typical job (AHU service with filter change) is usually £265–£645 plus VAT. Nothing beyond the agreed visit goes ahead without your say-so.
An air handling unit (AHU) is a large central unit that filters, heats, cools and moves air through a building's ductwork, often with heat recovery.
Covering Harpenden and nearby
Businesses in Harpenden range from independent shops and restaurants to offices, clinics and warehouses. Luton is about 8 km away.
Postcode districts we cover in Harpenden include AL5. Nearby, we also cover St Albans (about 8 km), Luton (about 8 km) and Hemel Hempstead (about 9 km). If a system in Harpenden is old and keeps failing, we will tell you honestly whether repair or replacement makes more sense.
Included as standard
- Fan, belt and motor checks
- Coil and drip tray cleaning
- Damper and actuator checks
- Heat recovery device checks
- Repairs, upgrades and full replacement
Air handling units prices in Harpenden
Guide prices for Harpenden, set for the East of England. Your fixed price comes in writing.
| Item | Guide price (ex VAT) | Inc VAT | Basis |
|---|---|---|---|
| AHU service with filter change | £265–£645 | £318–£774 | per visit |
| Fan / motor replacement | £1,550–£5,350 | £1,860–£6,420 | per fan |
| Full AHU replacement | £16,150–£74,995 | £19,380–£89,994 | per unit |
Ex VAT. Filters are charged at cost for the grade specified.
How we handle air handling units in Harpenden
Inspect
We record the AHU type, condition, filter grades and controls.
Service
Filters are changed and components cleaned and checked.
Report
Readings and recommendations are reported.
Upgrade or replace
Where needed, we quote for fan upgrades or replacement.
Before you book in Harpenden
Hygiene
Drip trays and coils must be kept clean to avoid biological growth.
Working hours
Most Harpenden businesses prefer noisy work outside trading hours. Early starts, evenings and weekends can be arranged and are priced up front.
Replacement logistics
Large AHU replacements need craneage, road closures and careful programming.
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 Harpenden
- Warehouses and industrial: cooling for offices, mezzanines, control rooms and temperature-sensitive areas.
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.
Questions about air handling units in Harpenden
How much does an air handling unit service cost in Harpenden?
In Harpenden, expect about £265–£645 per unit, per visit, plus VAT. A typical job (AHU service with filter change) is £265–£645 plus VAT. Any parts or repairs are priced before we go ahead.
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.
Which postcodes do you cover in Harpenden?
All of them, including AL5. Give us your postcode when you enquire and we will confirm the visit details.
Do you handle crane lifts?
Yes, we plan craneage, permits and lifting for replacements.
How long do air handling units last?
Commonly 20 years or more with good maintenance, though fans and controls may need replacing sooner.
Need air handling unit servicing and repairs in Harpenden?
The visit price is agreed before we book. We reply with a guide price or available dates.