Air handling units in Hatfield
Air handling unit servicing and repairs in Hatfield, booked around your opening hours and priced up front.
- 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 Hatfield?
Guide price in Hatfield: £265–£645 per unit, per visit ex VAT, with a typical job (AHU service with filter change) at £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.
Hatfield and surrounding areas
Hatfield has a compact centre of shops, cafés and offices, with business units on its outskirts. Watford is about 17 km away.
Postcode districts we cover in Hatfield include AL10, DN7 and HR6. Nearby, we also cover Welwyn Garden City (about 4 km), St Albans (about 8 km) and Potters Bar (about 8 km). For air handling unit servicing and repairs in Hatfield, roof and high-level access is planned in advance, so the visit is not wasted waiting for a tower or a key.
What you get
- Filter changes to the specified grade
- Fan, belt and motor checks
- Coil and drip tray cleaning
- Damper and actuator checks
- Repairs, upgrades and full replacement
Prices in Hatfield
Guide prices for Hatfield, 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.
What happens on a visit in Hatfield
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.
Points to plan for in Hatfield
Filters
Filter grades should match the original design or current guidance for the building.
Working hours
Most Hatfield businesses prefer noisy work outside trading hours. Early starts, evenings and weekends can be arranged and are priced up front.
Energy
Fan upgrades and better controls can cut energy use significantly on older units.
Roof and height work
Flat roofs, high walls and atriums need the right access equipment and edge protection. We plan towers, MEWPs or scaffold before the job, not on the day.
Typical premises in Hatfield
- Warehouses and industrial: cooling for offices, mezzanines, control rooms and temperature-sensitive areas.
In England, systems holding 5 tonnes CO2 equivalent of refrigerant or more fall under GB F-gas rules, with regular leak checks and records; buildings with more than 12 kW of air conditioning in total also need a periodic energy inspection.
Questions about air handling units in Hatfield
How much does an air handling unit service cost in Hatfield?
In Hatfield, 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 Welwyn Garden City, St Albans and Potters Bar?
Yes. Alongside Hatfield, we also cover Welwyn Garden City, St Albans and Potters Bar. Each has its own page with local guide prices.
Which postcodes do you cover in Hatfield?
All of them, including AL10, DN7 and HR6. Give us your postcode when you enquire and we will confirm the visit details.
How long do air handling units last?
Commonly 20 years or more with good maintenance, though fans and controls may need replacing sooner.
Can you upgrade old AHU fans?
Yes. EC fan upgrades are a common way to cut energy use without replacing the whole unit.
Need air handling unit servicing and repairs in Hatfield?
The visit price is agreed before we book. We reply with a guide price or available dates.