Kent · Air handling unit cleaning
Air handling unit cleaning in Hareplain, Kent
Cleaning of air handling units, including filters, coils, drain trays, fans and internal surfaces for Hareplain, with a survey first and a report with pictures at the end. Call for a fixed quote.
- Condensate trays that won’t empty
- Leaves and litter drawn into the unit
- Rooms that smell stuffy when the system runs
How we handle AHU cleaning in Hareplain
If the units serving a building in Hareplain have only had filter changes for years, there may be dirt on the coils, fan and casing that nobody has looked at. A full AHU clean takes in the whole unit. We are often asked to deal with fan sections that haven’t been cleaned in years and air handling units with blocked filters, on supply and extract fans, drain trays and filter sections.
Rural buildings with mechanical ventilation, such as care homes and country hotels, often keep their units in roof spaces or outbuildings, which makes them easy to overlook.
We’ve been trading since 2009, and we are a BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease. We also hold CHAS, SafeContractor and ISO 9001, and we carry full insurance.
- Where
- Hareplain (TN27)
- Region
- Kent
- Records
- Report and photos after the visit
- Quotes
- A fixed quote up front
- Working hours
- Nights, weekends or holidays to suit you
- Phone
- 0345 646 2711
- Last updated
- 30 October 2026
Looking after it afterwards
So the system stays in good health:
- Watch for drips or damp patches near the plant
- Keep inspection doors on the unit in good order
- Make sure condensate is draining away
- Keep filter changes on time and recorded
The report shows each section of the unit before and after, and note any part we couldn’t get to. Any defects we noticed, like a leaking tray or damaged lining, are listed.
Check drain trays and condensate drains during routine maintenance. A drain that is cleared early never gets to the slime stage.
Also in Hareplain
What AHU cleaning looks like in Hareplain
Hareplain is about 40 miles from central London, well within the area we cover across London and the South East. Visits are booked around your hours, evenings and weekends included. About 2.7 miles south of Hareplain is Benenden Hospital, the nearest hospital. Clean air matters most where people are unwell, and that’s as true in a care home as in a hospital.
Benenden Hospital, about 2.7 miles south, is the nearest hospital to Hareplain, and healthcare sites of every size need their supply air kept clean.
Hareplain is about 10 miles south of Maidstone, in Kent. If you need AHU cleaning in Hareplain, it’s easy to get a fixed quote: please call 0345 646 2711 or drop us a line. Our area covers London and the South East, including Hareplain. Our Kent coverage runs to 922 places, and Hareplain is one of them. Our Maidstone page covers sites nearby (10 miles or so).
Postcode districts we cover here for AHU cleaning: TN27. Nearby, we also carry out AHU cleaning in Three Chimneys (1 mile south-west), Biddenden (1 mile south-east), Curteis' Corner (1 mile east), Lashenden (2 miles north-east) and Standen (2 miles east). We also work in nearby towns such as Maidstone (10 miles north), Ashford (11 miles east), Royal Tunbridge Wells (15 miles west), Tonbridge (15 miles west), Kings Hill (14 miles north-west) and Foley Park (11 miles north).
Near you in Hareplain
Typical jobs here are in premises near Three Chimneys Public House. Hareplain’s nearest station is Headcorn station, about 2.8 miles north of the centre. Nearby you will also find Kent Firefighting Museum (0.8 miles north) and Sissinghurst Castle (1.7 miles south-west).
Landlords, agents and facilities managers
Running several sites is easier with one contractor. We cover South East England and London, so visits at different addresses can be planned together and kept to a regular schedule.
If you look after several sites, we can schedule visits across all of them on one quote. Every building has its own written report, so each one has its own record.
In-house cleaning or a specialist?
A few tasks are always specialist work: entering ducts, working on fans, testing dampers and taking grease readings call for the right kit, training and safe access. That is our job.
Day-to-day cleaning is something your team can do: wiping canopies, washing grease filters and recording it in a log. What they cannot safely do is clean inside the ductwork, the fan or the risers, which is where we come in.
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.
Heating and cooling coils
Because cooling coils run wet, the dirt on them tends to cling. We clean the coil and the tray beneath it together.
When something else is needed
We’ll always give you a straight diagnosis, so here’s what AHU cleaning will not do:
- Controls and BMS settings that run the unit
- Ventilation that was badly designed in the first place
- Breakdowns that need a mechanical engineer
Not sure which it is? You can phone us on 0345 646 2711 or drop us a line and we will tell you honestly before booking.
What the work covers
- Filter sections
- Dampers and louvres
- Internal panels
- Heating and cooling coils
- Supply and extract fans
- Drain trays
What we do, step by step
The visit has three parts: set-up, the treatment itself and the sign-off. Getting ready means protecting surfaces and switching off what needs to be off, while signing off means the written report and photos. Most of the time goes on the work itself, which takes one overnight shift for many single units, with bigger plant phased. If the van will struggle with a lane or gateway near Hareplain, let us know and we will plan around it.
- We survey the unit from photos or on site and agree what’s included.
- The unit is shut down with your site team and the area protected.
- We clean or change the filters as agreed, then clean the coils, fan and internal panels.
- Drain trays are cleared and cleaned and the outlet checked.
- You get a TR19® certificate and a photo report.
How to prepare
- Tell us where we can park and unload
- Allow time for equipment near the work to be turned off and cool down
- Tell us about site rules, permits or sign-in
Getting a quote
Some systems can be priced from photos; others need a survey. Big or complicated sites, and systems that are hard to see in pictures, get a survey first. Either way, the quote is fixed before any work is booked.
Advice
Questions from Hareplain
Can you get to a site in Hareplain?
Yes, we work in villages as well as towns, and Hareplain is covered. Photos of the system and directions to the site help us plan the visit.
Can you come to Hareplain after we close?
Yes, evening, overnight and weekend work is normal for us. The site is handed back ready to open. When you call 0345 646 2711 or use the quote form, mention when the site is quiet.
Is there a survey before the work?
Yes. Every job is surveyed first, from your photos and details, or with a visit where needed. Then you get a fixed quote.
Do you have insurance?
Yes. Duct Doctor is fully insured, and we can share the details when you need them.
How long does an AHU clean take?
As a guide, it takes anything from half a day for one small unit to several shifts for a plant room full of them. The shutdown is planned to fit, including evenings or weekends.
Can we book visits on a schedule?
Yes. We run scheduled maintenance contracts, with visits at the interval your system needs. Each report recommends when the next visit should be.
Can you fix a faulty AHU?
Our AHU work is cleaning rather than mechanical repair. Any faults we notice are recorded so your maintenance contractor can deal with it.
What is TR19?
BESA’s ventilation hygiene specification in two main parts: TR19® Grease for kitchen extract systems and TR19® Air for general ventilation. It is not legislation, but it’s the standard people check against.
Common problems we fix in Hareplain
Wherever there’s a cooling coil, there’s condensate. If the drain tray outlet blocks or the tray doesn’t fall properly, water stands in it, and slime and smells soon follow.
Clients typically contact us when they notice one of these:
- Intake sections clogged with outdoor debris
- Fan sections that haven’t been cleaned in years
- Air handling units due a clean after building work
- Filters that are clogged or overdue
An inspection comes first for any ventilation job around Hareplain, so the cleaning matches what’s there.
Comparing quotes
- Proof of insurance
- Whether a survey comes first
- When they can work, and whether that is outside your opening hours
- When the next visit should be, and why