Slough · Air handling unit cleaning
Air handling unit cleaning in Upton, Slough
Air handling unit cleaning in Upton, surveyed first and signed off with a written report and photos. Ask us for a fixed quote.
- Air handling units never cleaned inside
- Dirty filters cutting the airflow
- Condensate trays that won’t empty
How we handle AHU cleaning in Upton
An AHU clean is a thorough examination and treatment of the unit. We look inside each section, clean what we find and record it with pictures, so you can see the unit’s condition for yourself. If you have filters that are clogged or overdue and dirty fans and fan housings, we can help, from filter sections, drain trays and dampers and louvres onwards.
In a place like Upton, air handling units are often tucked into roof spaces or small plant rooms, out of sight and easy to overlook. Every unit, large or small, has filters, coils and a drain tray to keep clean.
The sign-off is always in writing: a written report, dated and illustrated with pictures, plus a certificate through the BESCA Vent Hygiene Elite portal when the work is a TR19® Grease clean. It shows what was done and what, if anything, couldn’t be reached.
- Place
- Upton (SL1, SL3, SL2)
- Region
- Slough
- Paperwork
- Written report with pictures
- Price
- A fixed quote up front
- When we work
- After hours by arrangement; emergencies any time
- Call
- 0345 646 2711
- Updated
- 30 October 2026

Between visits
So the system stays in good health:
- File each AHU report in the maintenance log
- Diary the inspection date recommended in the report
- Keep inspection doors on the unit in good order
- Keep filter changes on time and recorded
You receive a TR19® certificate and a photo report after the clean. They belong in the plant or maintenance log.
Change or clean filters on time. Once filters clog, dirt starts getting past them.
What else we do in Upton
When something else is needed
AHU cleaning can’t fix everything, and we’ll tell you before any work starts. It will not put right:
- Coils that are corroded or leaking and need replacing
- Airflow problems caused by the system’s design
- Problems with the unit’s controls or sensors
Not sure which it is? You can ring 0345 646 2711 or email us and we’ll tell you honestly.
Where we work
- Supply and extract fans
- Dampers and louvres
- Drain trays
- Filter sections
- Heating and cooling coils
- Internal panels
AHU cleaning in Upton: local notes
Food Standards Agency records list about 45 schools, colleges and universities, about 22 care, childcare and hospital premises and about 10 hotels, B&Bs and guest houses registered as food businesses within about 1.5 miles of central Upton. Busy, occupied buildings like these are where clean supply air matters most. At about 21 miles from central London, Upton sits well inside the area we cover. The visit is fixed around your opening hours, not ours. The nearest hospital to Upton is Upton Hospital, about under half a mile north-west. Clean air matters most where people are unwell, and that is as true in a care home as in a hospital.
If you manage shops or offices close to Slough station, a TR19® Air inspection shows whether the ductwork needs cleaning. Hospitals such as Upton Hospital (about within half a mile north-west) show how much a building can rely on clean ventilation, and smaller healthcare sites near Upton are no different. Classrooms and halls at schools such as St Mary's Church of England Primary School are easiest to work in when pupils are away.
Upton is about 1 mile south-east of Slough, in Slough. Wherever you are in the SL1 postcode area, we can take on AHU cleaning. We cover 31 places across Slough, from busy centres to quieter spots. You can also see our page for Reading, roughly 17 miles from Upton.
Every address in SL1, SL3 and SL2 is covered for AHU cleaning, from the main roads to the quietest streets. If you need AHU cleaning at premises on Mere Road, Upton Road and High Street or anywhere close by, we can help. You will find Upton on the M4 and A332, so it’s easy for us to get to for out-of-hours visits. Close by, we work in Middlegreen (2 miles east), Langley (2 miles east), George Green (2 miles north-east), Wexham Court (2 miles north) and Wexham Street (3 miles north). We also work in nearby towns such as Britwell (3 miles north-west), Burnham (3 miles north-west), Stoke Poges (3 miles north), Huntercombe (3 miles north-west), Farnham Common (4 miles north) and Farnham Royal (3 miles north-west). Upton is one of the larger places we cover in Slough for AHU cleaning.
Local landmarks in Upton
Typical jobs here are in premises near The Red Cow Public House, Upton Court Grammar School and Long Close School. For rail, the closest station is Slough station, about 0.6 miles north of the centre. A little further out are Windsor Castle (1.5 miles south-west) and Museum of Eton Life (1.2 miles south-west). Green spaces nearby include Stoke Common and Taplow Lake.
Why it’s worth doing now in Upton
Standing water in a drain tray does not clear itself. Leave it and you risk overflows, leaks into the space below and odours carried round the building. Dealing with it early keeps the clean straightforward. A site near Upton that has to close at short notice is hard to cover for.
What you pay reflects the actual work. That’s why every job is surveyed first, and why the quote is fixed before we start.
Why book with us
- A single point of contact for sites across the South East and London
- CHAS, SafeContractor and ISO 9001
- In business since 2009
- Member of BESCA Vent Hygiene Elite, cleaning to BESA TR19® Grease
Read our cost guide or our accreditations.
What the work involves, part by part
Heating and cooling coils
Dirt on a coil slows the air and makes it harder for the coil to heat or cool. A clean gets air moving through the coil properly again.
Rooftop and plant room units
Ceiling-mounted and compact units are cleaned too. The space underneath is protected with sheeting first.
Common questions in Upton
Do you cover smaller places like Upton?
Yes. Villages and rural sites across the South East are part of our work, Upton included. Photos of the system and directions to the site help us plan the visit.
Can the work in Upton be done at night or at weekends?
Yes, we can come after you close and finish before you open. Your customers, staff or residents in Upton needn’t be disturbed. When you give us a ring on 0345 646 2711 or email us, mention when the site is quiet.
What does TR19 mean?
TR19® is BESA’s specification for ventilation hygiene. Since 2019, TR19® Grease has been a standalone specification for grease in kitchen extract systems, while TR19® Air covers other supply and extract ductwork.
When should our AHU next be cleaned?
That’s set by inspection, in line with TR19® Air. A hard-working unit, or one serving a hospital or care home, may need cleaning more often.
What do you need from me for a quote?
The site address, the type of premises and your opening hours, plus photos of the system and your last certificate or report if you have one.
How much does AHU cleaning cost in Upton?
It depends on the site, so we quote each one individually. For a quote, phone us on 0345 646 2711, or email photos and tell us about the site and its opening hours.
Do you have a 24/7 line?
Yes. There’s a 24/7 emergency line for anything that cannot wait until a planned visit. Ring any time and tell us what’s happened.
What do you clean inside the unit?
The main parts are the filters, coils, drain tray, fan and inside of the casing. We confirm the scope after looking at the unit.
The process
The first job on site is protection: floors, worktops and anything near the work are covered. Then we make the system safe and start. The work on site takes half a day to a full day per unit, with large plant planned over several shifts, and the area is cleaned down before we leave. For a site near Upton, the work is booked around your opening hours, evenings and weekends included.
- First the unit is surveyed, from photos or a visit, and the scope agreed.
- With your site team, the unit is switched off and isolated, then the area around it protected.
- Filters are dealt with as agreed, and the coils, fan and casing cleaned.
- Standing water and slime come out of the tray and the drain is checked.
- We close up the unit and send the certificate and before and after photos.
How to prepare
- Name a contact who can let us in at the agreed time
- Tell us about site rules, permits or sign-in
- Plan for cooking equipment or plant to be off before we arrive
Get a fixed quote
For a fixed quote, call 0345 646 2711 or drop us a line with the site type, your trading hours and a short description of the system. Photos and the last report, if you have one, make the quote quicker. We normally come back within one working day.
Advice
Staff cleaning versus specialist work
Away from the kitchen, the in-house job is mainly checking: keeping grilles clear, noting unusual noise or smells and logging filter changes. Cleaning inside ducts and units is specialist work.
When your team notices a problem between visits, such as dripping grease, a noisy fan, a smell or a filter that won’t come clean, they should report it rather than try to fix it. We can diagnose it and quote.
Managing agents and facilities teams in Upton
When the building owner and the occupier are different, the lease normally sets out who maintains what. We are happy to deal with either side and send the paperwork to whoever needs it.
The Fire Safety Order 2005 puts the duty to manage fire risk on the responsible person, which may be the employer, owner, landlord, FM or managing agent. With shared responsibility, good records help everyone.