Air handling units in Purley
Air handling unit servicing and repairs in Purley, 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 Purley?
Typical prices in Purley run from £315 to £760 per unit, per visit before VAT; a typical job (AHU service with filter change) is usually £315–£760 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.
Where we work around Purley
Purley sits within London's dense commercial fabric: shopfronts, offices above, studios and venues, where outdoor unit positions and access need careful planning.
We cover every Purley postcode, including CR8. Nearby, we also cover Coulsdon (about 3 km), Wallington (about 4 km) and Carshalton (about 5 km). For air handling unit servicing and repairs in Purley, roof and high-level access is planned in advance, so the visit is not wasted waiting for a tower or a key.
What the job covers
- Filter changes to the specified grade
- Fan, belt and motor checks
- Coil and drip tray cleaning
- Damper and actuator checks
- Heat recovery device checks
Air handling units prices in Purley
Guide prices for Purley, set for London. Your fixed price comes in writing.
| Item | Guide price (ex VAT) | Inc VAT | Basis |
|---|---|---|---|
| AHU service with filter change | £315–£760 | £378–£912 | per visit |
| Fan / motor replacement | £1,850–£6,350 | £2,220–£7,620 | per fan |
| Full AHU replacement | £19,150–£88,995 | £22,980–£106,794 | per unit |
Ex VAT. Filters are charged at cost for the grade specified.
How a visit in Purley works
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.
What to think about in Purley
Hygiene
Drip trays and coils must be kept clean to avoid biological growth.
Conservation areas
Historic streets and listed buildings in and around Purley are more likely to need planning permission for outdoor units on visible elevations. We check with the local planning authority before work is booked.
Replacement logistics
Large AHU replacements need craneage, road closures and careful programming.
Leased premises
If your Purley 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.
Premises we work in around Purley
- 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 Purley
How much does an air handling unit service cost in Purley?
In Purley, expect about £315–£760 per unit, per visit, plus VAT. A typical job (AHU service with filter change) is £315–£760 plus VAT. Any parts or repairs are priced before we go ahead.
Do you also cover Coulsdon, Wallington and Carshalton?
Yes. Alongside Purley, we also cover Coulsdon, Wallington and Carshalton. Each has its own page with local guide prices.
Which postcodes do you cover in Purley?
All of them, including CR8. 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.
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 Purley?
The visit price is agreed before we book. We reply with a guide price or available dates.