Kent · Air handling unit cleaning
Air handling unit cleaning in Fairseat, Kent
Need AHU cleaning in Fairseat? We survey first, send you a fixed quote and work around your opening hours, finishing with a written report and photos.
- Air handling units with blocked filters
- Stale or musty smells from the ventilation
- Drain trays holding standing water
Fairseat questions
Can ventilation in schools around Fairseat be cleaned out of term?
Yes, holiday work suits schools best. There are about 7 schools, colleges and universities on the FSA’s food hygiene register within about 1.5 miles of Fairseat. Booking early in the term gives the best choice of holiday dates.
Do you work in villages like Fairseat?
Yes. Fairseat is within the area we cover across London and the South East. Let us know about access, parking and anything unusual about getting there when you book.
What does TR19 mean?
It’s the industry benchmark for cleaning ventilation and kitchen extract systems, written by BESA. It covers how systems are inspected, cleaned and checked and expects a risk-based approach.
Are you fully insured?
Yes. Full insurance covers our work, and we’ve been trading since 2009.
What if parts of the system can’t be reached?
They’re listed in the report, never skipped quietly. The report says which parts couldn’t be reached and why, along with a quote to put access in.
Which parts of an air handling unit do you clean?
All the internal parts the air touches, from intake to discharge, including coils, fan and drain trays. You get a photo report showing each part before and after.
Do you work with multi-site operators?
Yes. One number covers all your sites across London and the South East, and visits can be set on a regular cycle.
What accreditations do you have?
We hold CHAS, SafeContractor and ISO 9001, and we are a BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease. The Vent Hygiene Elite scheme is run by BESCA and audited independently.
How we handle AHU cleaning in Fairseat
Our AHU cleans for sites in Fairseat cover the parts that collect dirt: the filter section, heating and cooling coils, drain trays, fan and casing. You get a TR19® certificate and a photo report showing the unit before and after. We’re often asked to deal with dust-coated heating and cooling coils and dirty filters cutting the airflow, across internal panels, filter sections and supply and extract fans.
In rural areas, ventilation units are often in roof voids or outbuildings, which makes them easy to overlook.
Our accreditations include CHAS, SafeContractor and ISO 9001, and we are fully insured. We are also a BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease, trading since 2009.
- Location
- Fairseat (TN15)
- Region
- Kent
- Reporting
- Written report with pictures
- Price
- A fixed quote up front
- When we work
- Evenings, overnight and weekends; 24/7 emergencies
- Phone
- 0345 646 2711
- Last updated
- 30 October 2026

Common problems we fix in Fairseat
No filter stops everything. The fine dust that passes the filters lands on the coils, the fan and the internal panels, a little more each month.
Look out for these warning signs:
- Units that have only ever had filter changes
- Dirty fans and fan housings
- Dust-coated heating and cooling coils
- Air handling units with blocked filters
If you manage a school such as Wrotham School, ventilation cleaning is best booked for the holidays.
What to look for in a quote
- How VAT is shown on the quote
- Whether a written report and pictures are included
- Which accreditations they hold, and whether you can check them
- Whether the figure could change on the day
What your team can do, and what needs us
Staff cleaning and specialist work aren’t the same thing. A daily filter wipe and a weekly filter wash keep grease down at the front of the system, but they don’t reach the grease that builds up further in. That part needs specialist access and equipment.
Your own staff can handle the daily basics: wiping down canopy surfaces, cleaning filters and keeping a simple log. What they cannot safely do is clean inside the ductwork, the fan or the risers, which is where we come in.
Keeping the system healthy
Think of this as the after-treatment advice, in brief:
- Watch for drips or damp patches near the plant
- Diary the inspection date recommended in the report
- Check the drain tray is emptying during routine visits
- Don’t store bins or materials near the intake
Restart the unit with your site team or maintenance contractor once we have finished. Keep an eye on the condensate drain over the next few days to confirm water is draining away.
Make the drain tray part of every maintenance visit. Catching a slow drain early stops standing water building up.
Also near Fairseat
What else we do in Fairseat
How it works
At the end of the visit, someone from your team can look over the work with us. We point out anything that couldn’t be reached or needs a follow-up, and it goes on the report too. All told, the work takes one overnight shift for many single units, with bigger plant phased. Somewhere as small as Fairseat, the date and timings are agreed with you well before the day.
- First the unit is surveyed, from pictures 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, coils, fan section and casing are cleaned in turn.
- Drain trays are cleared and cleaned and the outlet checked.
- We close up the unit and send the certificate and before and after pictures.
How to prepare
- Mention any parking or loading restrictions
- Make sure equipment near the work can be switched off and left to cool
- Tell us about access, such as roof hatches, plant rooms, ceilings or locked areas
Ask for a quote
Quoting starts with a diagnosis, from your photos and details or, where that is not enough, a survey on site. After that, you get a fixed price for the work so you know the cost before any work starts.
Advice
Fairseat buildings and their air
There are about 7 schools, colleges and universities on the FSA’s food hygiene register in Fairseat and the streets around it, up to about 1.5 miles out. Many buildings of this kind have supply and extract ductwork that gathers dust and needs inspecting. About 22 miles out from central London, Fairseat is part of the South East area we work across. The visit is fixed around your opening hours, not ours.
In Fairseat, we look inside the system before deciding what needs cleaning.
Fairseat is about 7 miles north-east of Sevenoaks, in Kent. We carry out AHU cleaning for businesses, landlords and public buildings in Fairseat and the rest of Kent. Across Kent, we cover 922 places, and Fairseat is one of them. For sites nearby, see our Maidstone page, about 10 miles away.
Every address in TN15 is covered for AHU cleaning, from the main roads to the quietest streets. Whether your site is on Vigo Road and Platt House Lane or anywhere close by, our technicians can take on the work. If your site is just outside Fairseat, we cover Hodsoll Street (1 mile north), Labour-in-vain (1 mile south-west), Culverstone Green (1 mile north-east), Trottiscliffe (1 mile south-east) and Vigo Village (1 mile east). Larger places within reach include Maidstone (10 miles south-east), Dartford (9 miles north-west), Sevenoaks (7 miles south-west), Royal Tunbridge Wells (14 miles south), Gravesend (7 miles north) and Tonbridge (9 miles south).
Near you in Fairseat
We work in commercial kitchens and buildings around Trosley Country Park and the streets around them. For rail, the closest station is Borough Green & Wrotham station, roughly 2.6 miles south. Nearby you will also find Ightham Court (2.9 miles south-west) and Coldrum Long Barrow (2 miles east).
Part by part
Filters
What’s on the filters is a good clue to what’s further in. We photograph them for the report.
Rooftop and plant room units
Ceiling-mounted and compact units are cleaned too. The space underneath is protected with sheeting first.
What AHU cleaning cannot fix
To be straight with you, some problems need a different fix:
- Breakdowns that need a mechanical engineer
- Leaking heating or cooling coils
- Controls and BMS settings that run the unit
If in doubt, call 0345 646 2711, or send details by email and we’ll say what we think.
Where we work
- Dampers and louvres
- Heating and cooling coils
- Supply and extract fans
- Drain trays
- Internal panels
- Filter sections
Why act early in Fairseat
Leave an AHU uncleaned and the dirt doesn’t stay put. It’s carried through the ductwork and out of the grilles, so cleaning the ducts without the unit only goes so far. Rural sites cannot always move to another kitchen or room when something fails.
Every site is different, so each one gets its own fixed quote. The size of the job, how we reach it, its condition and the working hours all play a part.
Why us?
- Ventilation hygiene specialists since 2009
- Fully insured
- CHAS and SafeContractor accredited, with ISO 9001
- BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease
Read our cost guide or how to check a contractor.