Air handling units in West Sussex
Keep your systems in West Sussex running: air handling unit servicing and repairs, with any extra work explained and priced before it starts.
- 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 West Sussex?
In West Sussex, expect around £280–£685 per unit, per visit, plus VAT. A typical job (AHU service with filter change) is £280–£685 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 West Sussex
We cover all of West Sussex, including Crawley, Worthing, Bognor Regis, Littlehampton and Horsham. Each town below has its own page with local guide prices.
Postcode districts we cover include BN5, BN14, BN42, BN99, PO10, PO22, RH14 and RH77. For air handling unit servicing and repairs in West Sussex, roof and high-level access is planned in advance, so the visit is not wasted waiting for a tower or a key.
What we do
- 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 West Sussex
Prices below include our regional adjustment for the South East (15% above the UK guide).
| Item | Guide price (ex VAT) | Inc VAT | Basis |
|---|---|---|---|
| AHU service with filter change | £280–£685 | £336–£822 | per visit |
| Fan / motor replacement | £1,650–£5,695 | £1,980–£6,834 | per fan |
| Full AHU replacement | £17,195–£79,995 | £20,634–£95,994 | per unit |
Ex VAT. Filters are charged at cost for the grade specified.
How we handle air handling units in West Sussex
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 West Sussex
Energy
Fan upgrades and better controls can cut energy use significantly on older units.
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.
Filters
Filter grades should match the original design or current guidance for the building.
Conservation areas
Historic streets and listed buildings in and around West Sussex are more likely to need planning permission for outdoor units on visible elevations. We check with the local planning authority before work is booked.
Types of premises we cover in West Sussex
- 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 West Sussex
How much does an air handling unit service cost in West Sussex?
In West Sussex, expect about £280–£685 per unit, per visit, plus VAT. A typical job (AHU service with filter change) is £280–£685 plus VAT. Any parts or repairs are priced before we go ahead.
Do you also cover East Sussex, Surrey and Hampshire?
Yes. Alongside West Sussex, we also cover East Sussex, Surrey and Hampshire. Each has its own page with local guide prices.
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.
Talk to us about your premises in West Sussex
The visit price is agreed before we book. We reply with a guide price or available dates.