Surrey · Air handling unit cleaning
Air handling unit cleaning in Bentley, Surrey
Air handling unit cleaning for commercial sites in Bentley and across Surrey. CHAS, SafeContractor and ISO 9001, and fully insured.
- Filters that are clogged or overdue
- Intake sections clogged with outdoor debris
- Plant that has been serviced but not cleaned
Looking after it afterwards
Aftercare is simple, and it helps at the next visit:
- Keep inspection doors on the unit in good order
- File each AHU report in the maintenance log
- Keep the area around the fresh air intake clear
- Look at the condensate drain whenever the unit is serviced
If the ductwork hasn’t been cleaned, consider it next. Cleaning the unit and ducts together gives the best result, and we can survey both.
Change or clean filters on time. Once filters clog, dirt starts getting past them.
About our AHU cleaning in Bentley
An AHU clean is a thorough examination and treatment of the unit. Every section is opened, cleaned and photographed, so you can see the unit’s condition for yourself. Typical jobs include rooms that smell stuffy when the system runs and fan sections that haven’t been cleaned in years, on dampers and louvres, drain trays and filter sections.
For a building in or near Bentley, access is agreed in advance and the visit is planned around the journey.
The sign-off is always in writing: a dated report with photos of the work, and for TR19® Grease cleans, a certificate issued through the BESCA VHE portal. Any parts we couldn’t reach are recorded on it too.
- Location
- Bentley (GU10, GU34)
- Region
- Surrey
- Reporting
- Photo report after each visit
- Quote
- A fixed quote up front
- Working hours
- After hours by arrangement; emergencies any time
- Call
- 0345 646 2711
- Reviewed
- 30 October 2026
When to call us in Bentley
Planned maintenance often covers belts, motors and filters but not cleaning. So a unit can be well maintained and still dirty.
These are the problems we see most often:
- Dirty fans and fan housings
- Dirty filters cutting the airflow
- Units needing a clean before a new tenant or handover
- Intake sections clogged with outdoor debris
Hospitals such as Chase Community Hospital (about 5.9 miles south) show how much a building can rely on clean ventilation, and smaller healthcare sites near Bentley are no different.
What your quote should include
- Whether the whole system is included, or only the parts that are easy to reach
- When the next visit should be, and why
- When they can work, and whether that’s outside your opening hours
- Whether VAT is included
Your questions about AHU cleaning in Bentley
Is Bentley within the area you cover?
Yes, Bentley is part of our area, however small the site. Let us know about access, parking and anything unusual about getting there when you book.
Do you work at weekends in Bentley?
Yes, out-of-hours work is a big part of what we do. Your customers, staff or residents in Bentley needn’t be disturbed. Your opening times are the first thing we ask for.
What does TR19 mean?
It’s the industry benchmark for cleaning ventilation and kitchen extract systems, written by BESA. It sets out inspection, cleaning and record keeping, and it takes a risk-based approach.
Do you have insurance?
Yes, we’re fully insured. We also hold CHAS and SafeContractor, for sites that check contractor safety.
How much does AHU cleaning cost?
We don’t publish prices, because the cost depends on the job: the size of the system, its condition, access and when we can work. We fix the price before any work starts.
Can one contract cover all our sites?
Yes. Our area covers London and the South East, so sites at different addresses can be planned together as one programme. Each site gets its own report and photos.
How do you keep the site clean during the work?
With sheeting and covers, before anything else happens. The work is kept contained and leave the area clean.
Do you need to switch the unit off?
Yes, while the clean is under way. We can work evenings, overnight or at weekends so the building isn’t left without ventilation when it’s busy.
What affects the cost of AHU cleaning
There’s no set price list, because sites vary so much. The quote depends on:
- Parking and loading at the site
- Access, including roofs, risers and ceiling voids
- One-off work versus a regular cycle
- The condition we find in the survey
Leaving it longer rarely makes the work cheaper. Build-up, wear and faults tend to get worse, not better, and a neglected system can mean more work. If you’re not sure what’s needed, call 0345 646 2711 or send us an email and we will give you an honest view and a fixed quote.
What we need to know
The more you tell us, the more accurate the quote. When you get in touch, it helps to send:
- Any access panels or hatches you can see
- Anything you’ve noticed, such as smells, noise, drips or poor airflow
- A few general shots of the system
- When the site is open and when it’s quiet
Need a price for AHU cleaning? Please ring 0345 646 2711 or email us and tell us about the site. We will explain what we’d do and send a fixed quote before anything is booked.
What staff can safely do
Day-to-day cleaning is something your team can do: wiping canopies, washing grease filters and recording it in a log. Inside the ducts, risers and fan is specialist work, which is where we come in.
Some jobs should never be done in-house: opening up ductwork, cleaning fans, drop testing fire dampers and measuring grease need training, the right equipment and safe access. That is our job.
Why deal with it now?
If people in a building in Bentley complain about stuffy or smelly air, the AHU is worth looking at. A clean tackles the source instead of masking it. Somewhere as small as Bentley, losing a kitchen or building to a fault is felt by everyone who uses it.
A single site or a whole portfolio, the quote is built the same way: the work involved, the access and the timing. The price is fixed before any work starts.
Why book with us
- Every job surveyed first
- BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease
- In business since 2009
- Fixed quotes from a survey or photos
Take a look at our cost guide and our accreditations.
Also near Bentley
More services for Bentley
AHU cleaning in Bentley: local notes
We cover Bentley, about 40 miles from central London, as part of our work across London and the South East. We work evenings, overnight and at weekends, so the visit fits around the site. For Bentley, the closest hospital is Chase Community Hospital, roughly 5.9 miles south. If you run a surgery, clinic or care home, your ventilation deserves the same care as a hospital’s, on a smaller scale.
Workplaces around Bentley (Hampshire) station with an air handling unit need the filters, coils and drain tray looked at, as well as the ducts. For schools like Bentley Church of England Primary School, the holidays are the usual time to inspect and clean ventilation.
Bentley is about 4 miles west of Farnham, in Surrey. Anywhere in GU10, we can carry out AHU cleaning at your premises. We cover 395 places across Surrey, from busy centres to quieter spots. Guildford is in our area too, around 14 miles away.
We cover every part of the GU10 and GU34 postcode area for AHU cleaning and the roads nearby. Local streets include Station Road, Broadlands Close and Eggars Field, and we cover them all for AHU cleaning. Nearby, we also carry out AHU cleaning in Isington (1 mile south-west), Blacknest (1 mile south-east), Bucks Horn Oak (2 miles south-east), Holt Pound (2 miles east) and Binsted (2 miles south). We also work in nearby towns such as Guildford (14 miles east), Camberley (12 miles north-east), Farnham (4 miles east), Frimley (11 miles north-east), Haslemere (10 miles south-east) and Ash (8 miles north-east).
Landmarks near Bentley
We work in commercial kitchens and buildings around The Star Inn, among other places. Bentley’s nearest station is Bentley (Hampshire) station, roughly 0.8 miles south-east. A little further out are Barley Pound (1.7 miles north-east) and Chase Community Hospital (5.9 miles south). Open spaces near Bentley include Farnham Park and Holybourne Hill.
How the job changes from site to site
Internal casing and panels
We open each section through its doors and close them securely when we are done, and check every one is shut.
Drain trays
The drain tray collects water from the cooling coil. We clear standing water, clean out slime and check the outlet is draining.
The process
On the day, we arrive at the time agreed with you, often in the evening, overnight or at the weekend so the site keeps working. Anything that needs to be off for the work is switched off and left to cool before we start, and floors and nearby surfaces are sheeted. The work itself takes anything from half a day for one small unit to several shifts for a plant room full of them. If the van will struggle with a lane or gateway near Bentley, let us know and we will plan around it.
- We agree a shutdown window that suits the building.
- We take before photos of each section of the unit.
- 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 pictures and issue the certificate and report.
Before we arrive
- Make sure equipment near the work can be switched off and left to cool
- Mention any sign-in, permit or induction we need
- Let us know about parking and loading
How to get a quote
Some systems can be priced from pictures; others need a survey. Larger sites, and anything hidden behind walls, ceilings or floors, are normally surveyed first. Either way, the quote is fixed before any work is booked.