Air handling units in Hemel Hempstead
Air handling unit servicing and repairs in Hemel Hempstead, 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 Hemel Hempstead?
In Hemel Hempstead, expect around £265–£645 per unit, per visit, plus VAT. A typical job (AHU service with filter change) is £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.
Our coverage in Hemel Hempstead
In Hemel Hempstead, typical commercial premises include town-centre shops and offices, surgeries, gyms and units on business parks. Watford is about 12 km away.
Postcode districts we cover in Hemel Hempstead include HP3. Nearby, we also cover Berkhamsted (about 8 km), St Albans (about 8 km) and Harpenden (about 9 km). If a system in Hemel Hempstead is old and keeps failing, we will tell you honestly whether repair or replacement makes more sense.
What you get
- Filter changes to the specified grade
- Fan, belt and motor checks
- Coil and drip tray cleaning
- Damper and actuator checks
- Heat recovery device checks
Local guide prices for Hemel Hempstead
Guide prices for Hemel Hempstead, 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.
The visit, step by step
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.
Local points to consider
Energy
Fan upgrades and better controls can cut energy use significantly on older units.
Working hours
Most Hemel Hempstead businesses prefer noisy work outside trading hours. Early starts, evenings and weekends can be arranged and are priced up front.
Hygiene
Drip trays and coils must be kept clean to avoid biological growth.
Conservation areas
Historic streets and listed buildings in and around Hemel Hempstead are more likely to need planning permission for outdoor units on visible elevations. We check with the local planning authority before work is booked.
Premises we work in around Hemel Hempstead
- 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.
FAQs for Hemel Hempstead
How much does an air handling unit service cost in Hemel Hempstead?
In Hemel Hempstead, 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 Berkhamsted, St Albans and Harpenden?
Yes. Alongside Hemel Hempstead, we also cover Berkhamsted, St Albans and Harpenden. Each has its own page with local guide prices.
Which postcodes do you cover in Hemel Hempstead?
All of them, including HP3. Give us your postcode when you enquire and we will confirm the visit details.
How often should an AHU be serviced?
Typically every three to six months, depending on use and filter loading.
Can you upgrade old AHU fans?
Yes. EC fan upgrades are a common way to cut energy use without replacing the whole unit.
Get a guide price for Hemel Hempstead
The visit price is agreed before we book. We reply with a guide price or available dates.