Kent · Air handling unit cleaning
AHU Cleaning in Bethersden
Air handling unit cleaning for commercial sites in Bethersden and across Kent. BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease.
- Units needing a clean before a new tenant or handover
- Air handling units with blocked filters
- Units that have only ever had filter changes
How we handle AHU cleaning in Bethersden
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. If you have odours coming through the supply air and dust built up on fan impellers, we can help.
In rural areas, ventilation units are often in roof voids or outbuildings, which makes them easy to overlook.
Nothing is signed off by word of mouth: a dated report with pictures 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.
- Where
- Bethersden (TN26)
- Wider area
- Kent
- Paperwork
- Written report with pictures
- Quotes
- Fixed quote, normally within a working day
- Hours
- When your site is closed, plus a 24/7 line
- Phone
- 0345 646 2711
- Updated
- 30 October 2026
Fixed quotes for AHU cleaning in Bethersden
Some jobs are bigger than they look, and some smaller. The main factors:
- Parking and loading at the site
- A single visit or a regular plan
- When the work can happen, such as evenings, overnight or weekends
- Site rules, permits and inductions
Working hours, access and the scale of the site can all change the price. Each of those is built into the quote, and the price is fixed before any work starts.
What we need to know
You don’t need the technical terms. It helps if you can send:
- The times we could work without disrupting the site
- Any previous report or certificate
- Close-ups of filters, grilles, hatches or access panels
- Wide pictures of the system and the area around it
There’s no standard price list, because no two systems are the same. We look at your system first, from pictures or on a visit, and then send you a fixed quote. To start, ring 0345 646 2711, or email photos.
Common problems we fix in Bethersden
An overdue filter loads up with dirt, cutting airflow and sometimes letting dirty air bypass them altogether. Then the rest of the unit takes the load.
These are the problems we see most often:
- Dirty coils holding back the airflow
- Dust built up on fan impellers
- Stale or musty smells from the ventilation
- Air handling units due a clean after building work
Classrooms and halls at schools such as Bethersden Primary School are easiest to work in when pupils are away.
What your quote should include
- Whether a survey comes first
- Whether the price is fixed
- Whether the work can be done while the site is closed
- Whether a written report and photos are included
Landlords, agents and facilities managers
Managing agents often deal with us directly. Tell us the site, the work and the access arrangements and we will come back with a fixed quote.
If you look after several sites, we can plan visits across the whole estate and price them together. Each site gets its own report and pictures, so each one has its own record.
What we do, step by step
Everything the job needs comes with us, including protection sheets, the right tools and access kit. You only need to give us clear access and switch off what needs to be off. On site, the work takes a single shift for a typical unit, longer for large or heavily soiled ones. Somewhere like Bethersden, lanes, gates and parking are worth mentioning in advance.
- We survey the unit from pictures or on site and agree what’s included.
- With your site team, the unit is switched off and isolated, then the area around it protected.
- Filters, coils, fan section and casing are cleaned in turn.
- Drain trays are cleared and cleaned and the outlet checked.
- You get a TR19® certificate and a photo report.
Preparing for the visit
- Agree a time when the area can be out of use
- Arrange a key holder or contact on site
- Let us know about permits to work or site inductions
Ask for a quote
Quoting starts with a diagnosis, either from photos and details you send or from a site visit. Then we send a fixed price so you know the cost before any work starts.
Read more
What AHU cleaning looks like in Bethersden
We cover Bethersden, about 45 miles from central London, as part of our work across London and the South East. Visits are booked around your hours, evenings and weekends included.
An inspection comes first for any ventilation job around Bethersden, so the cleaning matches what’s there.
Bethersden is about 5 miles west of Ashford, in Kent. Anywhere in TN26, we can take on AHU cleaning. Our Kent coverage runs to 922 places, Bethersden among them. Our Maidstone page covers sites nearby (14 miles or so).
Work in TN26 is surveyed, quoted and booked the same way as anywhere else. Streets in the area include The Dene, Forge Hill and Forgefield, and we cover them all for AHU cleaning. Other places close to Bethersden include Wissenden (1 mile north-west), Further Quarter (2 miles west), Chambers' Green (2 miles north), Maltman's Hill (2 miles north-west) and High Halden (3 miles south-west). Further out, we also cover Maidstone (14 miles north-west), Ashford (5 miles east), Sittingbourne (15 miles north), Faversham (14 miles north-east), Hythe (15 miles east) and Davington (14 miles north-east).
Near you in Bethersden
Around Bethersden, our work takes us to kitchens and buildings near The George Public House, among other places. The nearest railway station is Pluckley station, about 2 miles north. Other landmarks nearby include Woodchurch Village Life Museum (3.1 miles south) and Romden Castle (2.4 miles north-west). The countryside around Bethersden includes Orlestone Forest.
Towns and villages near Bethersden
What else we do in Bethersden
What the work involves, part by part
Fans and fan sections
Every bit of air passes the fan, so a dirty fan sends dirt downstream. The impeller, its housing and the fan chamber are cleaned.
Filters
Filters are the first line of defence in the unit. We check them, and clean or change them as agreed in the quote, and clean the filter housing.
Staff cleaning versus specialist work
Your own staff can handle the daily basics: wiping down canopy surfaces, cleaning filters and keeping a simple log. What they can’t safely do is clean inside the ductwork, the fan or the risers, and that’s where we come in.
A few tasks are always specialist work: opening up ductwork, cleaning fans, drop testing fire dampers and measuring grease call for the right kit, training and safe access. Leave those to us.
Your questions about AHU cleaning in Bethersden
Do you work at weekends in Bethersden?
Yes. We work evenings, overnight and at weekends. The work in Bethersden can fit around your hours. Just phone us on 0345 646 2711, or email photos with your opening times and we’ll plan around them.
Do you offer AHU cleaning in Bethersden?
Yes. We work across London and the South East, and Bethersden is part of that. Just phone us on 0345 646 2711 or email us with a few details of the site.
What is TR19?
BESA’s ventilation hygiene specification in two main parts: TR19® Grease for kitchen extracts and TR19® Air for supply and extract systems. It is not law, but it’s the benchmark.
How long does it take to clean an air handling unit?
The work takes one overnight shift for many single units, with bigger plant phased. Bigger units can be phased, and you can give us a ring on 0345 646 2711 or send us an email to plan it.
Do you have a 24/7 line?
Yes, 24/7. Office hours are Monday to Friday, 8am to 6pm, with the emergency line covering every other hour.
What happens if you can’t reach some of it?
The report shows them clearly. Often the fix is extra access, such as new panels in ductwork, which we can install.
Is there a report after cleaning?
Yes. You receive a certificate and a report showing each section before and after, including anything we think needs attention.
Will the ventilation be off while you clean?
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.
Why it’s worth doing now in Bethersden
A clean unit feeds cleaner air into the ductwork, so the whole system stays cleaner for longer. It also means the next inspection has less to find. Somewhere as small as Bethersden, losing a kitchen or building to a fault is felt by everyone who uses it.
Whatever the type of site, the quote works the same way: how much there is, how we reach it, what state it’s in and when we can work. Ask for a fixed quote and we will explain each part.
What you get with us
- A written report with pictures after each visit
- Evenings, overnight and weekends, plus 24/7 emergency callout
- A BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease
- CHAS and SafeContractor accredited, with ISO 9001
Take a look at what affects the cost or how to check a contractor.