Air handling units in Hounslow
Air handling unit servicing and repairs in Hounslow, 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 Hounslow?
Guide price in Hounslow: £315–£760 per unit, per visit ex VAT, with a typical job (AHU service with filter change) at £315–£760 plus VAT. Any extra work is priced and approved before it starts.
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.
Working in Hounslow
Premises in Hounslow are often in mixed-use buildings with shared roofs and tight access, so outdoor unit positions are agreed early.
We cover every Hounslow postcode, including TW3, TW4 and TW6. Neighbouring towns we cover include Isleworth, Heston and Richmond. Before a visit in Hounslow we ask for the make, model and number of units so the engineer arrives with the right filters, parts and access equipment.
Included as standard
- 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 Hounslow
These guide prices are adjusted for London, where labour and access costs run about 28% above the UK guide.
| 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.
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.
Before you book in Hounslow
Energy
Fan upgrades and better controls can cut energy use significantly on older units.
Conservation areas
Historic streets and listed buildings in and around Hounslow are more likely to need planning permission for outdoor units on visible elevations. We check with the local planning authority before work is booked.
Filters
Filter grades should match the original design or current guidance for the building.
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.
Types of premises we cover in Hounslow
- 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 Hounslow
How much does an air handling unit service cost in Hounslow?
In Hounslow, 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 Isleworth, Heston and Richmond?
Yes. Alongside Hounslow, we also cover Isleworth, Heston and Richmond. Each has its own page with local guide prices.
Which postcodes do you cover in Hounslow?
All of them, including TW3, TW4 and TW6. Give us your postcode when you enquire and we will confirm the visit details.
Can you upgrade old AHU fans?
Yes. EC fan upgrades are a common way to cut energy use without replacing the whole unit.
How often should an AHU be serviced?
Typically every three to six months, depending on use and filter loading.
Talk to us about your premises in Hounslow
The visit price is agreed before we book. We reply with a guide price or available dates.