Kent · Air handling unit cleaning
Air handling unit cleaning in Woodhatch, Kent
Looking for AHU cleaning in Woodhatch? We survey first, give you a fixed quote and work around your opening hours, then sign off with a report and photos.
- Intake sections clogged with outdoor debris
- Filters that are clogged or overdue
- Stale or musty smells from the ventilation
Multi-site and managed buildings
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. Where responsibility is shared, records matter even more.
When the building owner and the occupier are different, the lease normally sets out who maintains what. We can quote either party and send the paperwork to whoever needs it.
How we handle AHU cleaning in Woodhatch
All the building’s air passes through the fan, so dust on its blades and housing ends up in the airstream. We clean the fan section along with the rest of the unit, with the unit switched off and made safe first. If you have debris and leaves in the fresh air intake and fan sections that haven’t been cleaned in years, we can put it right.
Somewhere as small as Woodhatch, ducted ventilation is normally limited to a school, a care home, a surgery or a converted business building, wherever there is one, but where it’s fitted, it needs the same inspection and cleaning as anywhere.
The report is your system’s health record: a dated account with pictures of everything we did. Grease extract cleans are also certificated to TR19® Grease through the BESCA VHE portal, ready for your insurer.
- Location
- Woodhatch (TN11, TN14)
- Wider area
- Kent
- Paperwork
- Report and pictures after the visit
- Price
- A fixed price before any work starts
- Working hours
- Evenings, overnight and weekends; 24/7 emergencies
- Call
- 0345 646 2711
- Checked
- 30 October 2026

Between visits
No system stays clean for ever, but care slows the build-up. Our tips:
- Watch for drips or damp patches near the plant
- Keep filter changes on time and recorded
- Keep inspection doors on the unit in good order
- Report musty smells from the vents straight away
Restart the unit with your site team or maintenance contractor once we’ve finished. Check the drain tray is emptying over the first few days to make sure it stays clear.
Keep the unit’s doors and panels in working order. Sections that are awkward to open are the ones that get skipped.
What staff can safely do
Your own staff can handle the daily basics: wiping down canopy surfaces, cleaning filters and keeping a simple log. Inside the ducts, risers and fan is specialist work, and that is where we come in.
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.
What we do, step by step
The visit has three parts: getting the area ready, doing the work and signing it off. Getting ready means protecting surfaces and switching off what needs to be off, and the sign-off is a written report with photos. Most of the time goes on the work itself, which takes a single shift for a typical unit, longer for large or heavily soiled ones. Pictures of the system and its access let us plan the work in Woodhatch before we set off.
- First we agree when the unit can be switched off, including evenings or weekends.
- Before cleaning, each section is photographed.
- Filters, coils and internal surfaces are cleaned from intake to discharge.
- We finish with the fan section and the drain tray.
- After photos are taken and the certificate issued.
Preparing for the visit
- Plan for cooking equipment or plant to be off before we arrive
- Clear loose items from the work area
- Mention any parking or loading restrictions
Get a fixed quote
To help us quote: the address, the type of site and when it’s open, photos of the system and the last certificate or report, if there is one. Then call us on 0345 646 2711 or email us.
Advice
When it’s something else
It’s worth knowing the limits before booking:
- Breakdowns that need a mechanical engineer
- Coils that are corroded or leaking and need replacing
- Ductwork downstream of the unit, which is a separate clean
Not sure which it is? You can call us on 0345 646 2711 or drop us a line and we will tell you honestly before you book.
What we work on in Woodhatch
- Internal panels
- Heating and cooling coils
- Drain trays
- Filter sections
- Dampers and louvres
- Supply and extract fans
What the work involves, part by part
Drain trays
Standing water in a tray sits right where the air passes. We clean it and note if the slope or the drain needs attention.
Filters
Filter condition tells you a lot about the rest of the unit. We photograph them for the report.
FAQs for Woodhatch
Do you cover smaller places like Woodhatch?
Yes. Villages and rural sites across the South East are part of our work, Woodhatch included. Photos of the system and directions to the site help us plan the visit.
Can you work in Woodhatch outside opening hours?
Yes, out-of-hours work is a big part of what we do. It means the site in Woodhatch keeps running as normal. Your opening times are the first thing we ask for.
Can you clean the ducts connected to the AHU?
Yes, the ductwork, grilles and diffusers the unit serves. The survey shows whether the ducts need cleaning now.
Are you accredited?
We hold CHAS, SafeContractor and ISO 9001, and we’re a BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease. Vent Hygiene Elite is run by BESCA and independently audited.
What happens if you cannot reach some of it?
The report shows them clearly. In ductwork, new access panels are often the answer, and we can fit those.
What’s TR19?
TR19® is BESA’s specification for ventilation hygiene. Since 2019, TR19® Grease has been a standalone specification for grease in kitchen extract systems, and TR19® Air covers general supply and extract systems.
Can you come out in an emergency?
Yes, day and night, every day of the year. Office hours are Monday to Friday, 8am to 6pm, with the emergency line covering every other hour.
What’s included in an AHU clean?
Filters, coils, drain trays, the fan and the internal surfaces are all covered. What happens to the filters is agreed when we quote.
Common problems we fix in Woodhatch
Planned maintenance often covers belts, motors and filters but not cleaning. That means a unit can tick every service box and still be carrying years of dirt.
These are the problems we see most often:
- Dirty fans and fan housings
- Rooms that smell stuffy when the system runs
- Intake sections clogged with outdoor debris
- Dirty filters cutting the airflow
Classrooms and halls at schools such as Weald Community Primary School are easiest to work in when pupils are away.
Questions to ask before you book
- Whether they’re fully insured
- Whether VAT is included
- Whether the price is fixed
- Whether the whole system is included, or only the parts that are easy to reach
Woodhatch buildings and their air
About 4.4 miles south-east of Woodhatch is Tonbridge Cottage Hospital, the nearest hospital. Hospitals show how much a building can rely on its ventilation, and smaller healthcare sites rely on theirs too. At about 23 miles from central London, Woodhatch sits well inside the area we cover. A survey and a fixed quote come first, then the visit at a time that suits you.
Healthcare buildings such as Tonbridge Cottage Hospital, about 4.4 miles south-east, depend on their ventilation; if you manage a surgery, clinic or care home near Woodhatch, yours matters too.
Woodhatch is about 4 miles north-west of Tonbridge, in Kent. Sites in Woodhatch get the same service as everywhere we cover: a survey first, a fixed quote, work timed around your hours and a report with photos. We cover 922 places across Kent, large and small. There’s also a page for Maidstone, roughly 14 miles from Woodhatch.
Postcode districts we cover here for AHU cleaning: TN11 and TN14. If your site is just outside Woodhatch, we cover Hall's Green (1 mile west), Sevenoaks Weald (1 mile north-west), Charcott (2 miles south-west), Goathurst Common (3 miles north-west) and Ide Hill (3 miles north-west). Larger places within reach include Maidstone (14 miles east), Dartford (15 miles north), Sevenoaks (4 miles north), Royal Tunbridge Wells (7 miles south-east), Tonbridge (4 miles south-east) and Swanley (12 miles north).
Local landmarks in Woodhatch
The closest station to Woodhatch is Hildenborough station, about 1.3 miles south-east. A little further out are Chiddingstone Castle (3.6 miles south-west) and Sevenoaks Museum (3.4 miles north). Green spaces nearby include Dryhill Nature Reserve and Barden Lake.