Greater London · Air handling unit cleaning
AHU Cleaning in Harlington
AHU cleaning in Harlington, surveyed first and signed off with a written report and pictures. Call for a fixed quote.
- Drain trays holding standing water
- Fan sections that haven’t been cleaned in years
- Plant that has been serviced but not cleaned
How we handle AHU cleaning in Harlington
The fan pushes every bit of air in the system, so dirt on the impeller and housing gets spread around. We clean the fan section along with the rest of the unit, with the unit switched off and made safe first. If you have condensate trays that won’t empty and plant that needs cleaning after a refit, we can help, from drain trays, supply and extract fans and heating and cooling coils onwards.
London offices and flats often have ductwork added through successive refits, with old runs left behind that are hard to reach. In Harlington, as elsewhere, cleaning starts with an inspection of what’s there.
Our accreditations include CHAS, SafeContractor and ISO 9001, and we are fully insured. On top of that, we are a BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease, trading since 2009.
- Where
- Harlington (UB3, TW6, UB7)
- Wider area
- Greater London
- Paperwork
- Written report with photos
- Price
- A fixed quote up front
- Working hours
- Out of hours as standard, 24/7 emergency line
- Call
- 0345 646 2711
- Reviewed
- 30 October 2026
What staff can safely do
Good housekeeping makes our visits easier, not unnecessary. Regular in-house cleaning slows the build-up, but hidden parts of the system still need specialist attention.
Staff cleaning and specialist work are not the same thing. Wiping filters daily and washing them weekly keeps the visible parts in order, but they do not reach the grease that builds up further in. Reaching it takes a specialist with the right equipment.
What AHU cleaning cannot fix
A few issues sit outside what this work can do:
- A system that is undersized for the building
- The supply and extract ducts, quoted separately
- Building management system faults
If you are not sure, just call 0345 646 2711, or send details by email and we will give you a straight answer before booking.
Parts of the system we cover
- Supply and extract fans
- Internal panels
- Dampers and louvres
- Heating and cooling coils
- Filter sections
- Drain trays
AHU cleaning in Harlington: local notes
Food Standards Agency records list about 11 schools, colleges and universities, about 9 care, childcare and hospital premises and about 22 hotels, B&Bs and guest houses registered as food businesses within 1.5 miles or so of the middle of Harlington. Buildings like these often rely on mechanical ventilation, which TR19® Air covers. About 0.6 miles north-west of Harlington is Harlington, the nearest hospital. Clean air matters most where people are unwell, and that’s as true in a care home as in a hospital. In London, ventilation plant is often on the roof or below ground, so the work is usually done out of hours.
Healthcare ventilation, from large hospitals like Harlington (about 0.6 miles north-west) to small clinics, depends on clean filters, coils and ducts. Classrooms and halls at schools such as William Byrd Primary Academy are easiest to work in when pupils are away.
Harlington is about 2 miles south-east of West Drayton, in Greater London. Across the UB3 area, we cover AHU cleaning for commercial sites. Harlington is one of 764 places in Greater London where we work for commercial clients. There’s also a page for London, about 15 miles away.
AHU cleaning in UB3, TW6 and UB7 is surveyed, quoted and booked the same way as anywhere else. You will find streets such as New Road, Bath Road and Manor Lane, and we cover them all for AHU cleaning. Nearby, we also carry out AHU cleaning in Sipson (1 mile north-west), Hatton (1 mile south-east), Cranford (1 mile south-east), Heathrow (1 mile south-west) and Harmondsworth (2 miles west). Further out, we also cover London (15 miles east), City of Westminster (12 miles east), Marylebone (13 miles east), Kensington (10 miles east), St Pancras (14 miles east) and Hoxton (15 miles east).
Around Harlington
We work in commercial kitchens and buildings around The Red Lion pub, Harlington Community School and Lake Farm Country Park and the streets around them. The closest station to Harlington is Heathrow Terminals 2 & 3 Rail station, roughly 1.2 miles south-west. Well-known places in the area include Harlington (0.6 miles north-west) and Treaty Centre (3.4 miles east). Green spaces nearby include Staines Reservoirs and Crane Meadows.
Nearby places to Harlington
What else we do in Harlington
For landlords and multi-site operators
Keeping records across a portfolio is half the battle. Every visit ends with a dated report and pictures, ready to show insurers, fire officers or EHOs.
We also work for facilities teams across offices, schools and healthcare across Greater London. Larger estates can be phased building by building around the people who use them.
Harlington: your questions answered
Can parking be tricky for a job in Harlington?
A loading bay, a visitor permit or off-street space near the site in Harlington makes the visit easier to plan. Night visits tend to make loading easier on London streets.
Can you come to Harlington after we close?
Yes, evening, overnight and weekend work is normal for us. It means the site in Harlington keeps running as normal. Let us know the hours you’re closed and we’ll book within them.
What’s included in an AHU clean?
We clean the filter section, heating and cooling coils, drain trays, fan and internal casing. What happens to the filters is agreed when we quote.
What’s TR19?
A BESA specification in two main parts: TR19® Grease for kitchen extract systems and TR19® Air for general ventilation. It isn’t law, but it’s the benchmark.
Do you work in Harlington?
Yes. Our technicians work in Harlington, as part of our area across London and the South East.
What about areas you cannot get to?
The report shows them clearly. In ductwork, new access panels are often the answer, and we can fit those.
How much does AHU cleaning cost?
We don’t publish prices, because the cost depends on the job: how big it is, what state it’s in, how we reach it and the working hours. You get a fixed price before work begins.
Do you look at the system first?
Yes, always. We diagnose before we treat: the survey shows what needs doing and what access we need and the fixed quote is built on it.
Different parts, different methods
Internal casing and panels
Loose or damaged linings inside a unit can break up into the airstream. Anything like that is recorded with photos.
Heating and cooling coils
A dirty coil holds back the air and makes heating and cooling less effective. Cleaning restores the open path through the fins.
How we price AHU cleaning
The diagnosis comes before the price. The main factors are:
- One-off work versus a regular cycle
- The scale of the work
- The condition of the system
- Site requirements such as sign-in and permits
No two sites are the same, so each one gets its own fixed quote. Size, access, the condition of the system and when we can work all play a part.
What to send for a quote
To speed up the quote, please include:
- Any access panels or hatches you can see
- How we’d reach plant on a roof or in a plant room
- The paperwork from the last visit, if you have it
- The site address and the type of premises
Here’s what helps us quote: where the site is, what it is and its opening hours, pictures of the system and any previous report or certificate. Then give us a ring on 0345 646 2711 or drop us a line.
The process
When we arrive, we check the system against the survey or the photos you sent. Anything unexpected is raised with you before we go further. From there, it takes a single shift for a typical unit, longer for large or heavily soiled ones. Getting kit into a London building takes planning, so let us know where we can load and park in Harlington.
- We agree a shutdown window that suits the building.
- Before cleaning, each section is photographed.
- We work through the unit from the intake to the outlet.
- The fan and drain tray are cleaned and the drain checked.
- We take after photos and issue the certificate and report.
How to prepare
- Let us know how we reach the system, including roofs, risers and plant rooms
- Have your last certificate or report to hand
- Agree a time when the area can be out of use
Getting a quote
Some systems can be priced from photos; others need a survey. Big or complicated sites, and systems that are hard to see in pictures, get a survey first. Either way, you get a fixed price before we start.
Related advice
Why it’s worth doing now in Harlington
Facilities teams are often asked for evidence that the ventilation is looked after. A TR19® certificate and photo report give you that, ready to show anyone who asks. London buildings are shared, so a fire or failure in one system can reach the neighbours above and beside you.
The price reflects the work, not guesswork. That is why we survey first, from photos or on site, and why the quote is fixed before we start.
What you get with us
- A fixed price before any work starts
- Each visit written up, with pictures
- CHAS, SafeContractor and ISO 9001
- In business since 2009
Take a look at what affects the cost or our accreditations and certificates.