Kent · Air handling unit cleaning
AHU Cleaning in Crockham Hill
We cover Crockham Hill for cleaning of air handling units, including filters, coils, drain trays, fans and internal surfaces. Out-of-hours visits, a fixed quote and a written report with photos as standard.
- Leaves and litter drawn into the unit
- Dirty filters cutting the airflow
- Condensate trays that will not empty
Multi-site and managed buildings
Facilities teams in offices, schools and healthcare sites book us too in Crockham Hill and across Kent. Work can be phased by floor, building or site to keep disruption down.
We regularly work with managing agents. Send the address, what’s needed and how access works and we will come back with a fixed quote.
AHU cleaning in Crockham Hill
Every supply and extract system relies on the air handling unit at its centre: it draws air in, filters it, heats or cools it and pushes it round the ductwork. Anything that collects inside the unit can end up in the rooms it serves, so cleaning the unit matters as much as cleaning the ducts. Typical jobs include intake sections clogged with outdoor debris and drain trays holding standing water, on heating and cooling coils, supply and extract fans and dampers and louvres.
Rural buildings with mechanical ventilation, such as care homes and country hotels, often keep their units in roof spaces or outbuildings, where filters and drain trays get forgotten.
Our accreditations include CHAS, SafeContractor and ISO 9001, and we are fully insured. We’re also a BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease, trading since 2009.
- Where
- Crockham Hill (TN8)
- Wider area
- Kent
- Records
- Report and pictures after the visit
- Quotes
- A fixed price before we start
- When we work
- When your site is closed, plus a 24/7 line
- Call
- 0345 646 2711
- Last updated
- 30 October 2026
What AHU cleaning cannot fix
We will always give you a straight diagnosis, so here’s what this work can’t put right:
- Building management system faults
- Breakdowns that need a mechanical engineer
- Ventilation that was badly designed in the first place
If you are not sure, just give us a ring on 0345 646 2711 or drop us a line and we will give you a straight answer.
What we work on in Crockham Hill
- Dampers and louvres
- Internal panels
- Supply and extract fans
- Heating and cooling coils
- Drain trays
- Filter sections
Your questions about AHU cleaning in Crockham Hill
Will you come out to Crockham Hill?
Yes, Crockham Hill is part of our area, however small the site. A survey first, from photos or a visit, means we arrive with the right kit.
Do you work overnight in Crockham Hill?
Yes, out-of-hours work is a big part of what we do. It means the site in Crockham Hill keeps running as normal. Your opening times are the first thing we ask for.
Can you clean the ducts connected to the AHU?
Yes. Ductwork is cleaned through access panels, with anything inaccessible recorded, with new panels fitted where needed.
Do you have insurance?
Yes. Full insurance covers our work, and we have been trading since 2009.
What do you need from me for a quote?
Where the site is, what it is and when it’s open, plus pictures of the system and your last certificate or report if you have one.
Will you repair the fan or motor?
The clean includes noting faults, but repairs sit with your maintenance contractor, with the details in the report.
How long will the unit be out of action?
It takes half a day to a full day per unit, with large plant planned over several shifts. Size, layout and how dirty it is decide the rest, and the quote will give you a clear idea.
What’s included in an AHU clean?
Everything inside the unit that air passes over, from intake to discharge, including coils, fan and drain trays. You get a photo report showing each part before and after.
Also near Crockham Hill
Also in Crockham Hill
The process
Each visit runs to the same pattern: protect the area, isolate whatever needs isolating, do the work, tidy up and leave you the report. On site, the work takes half a day to a full day per unit, with large plant planned over several shifts. Pictures of the system and its access let us plan the work in Crockham Hill before we set off.
- We survey the unit from photos or on site and agree what’s included.
- We arrange the shutdown with your staff and sheet the area.
- Filters are dealt with as agreed, and the coils, fan and casing cleaned.
- Standing water and slime come out of the tray and the drain is checked.
- We close up the unit and send the certificate and before and after photos.
Getting ready for the visit
- Allow time for equipment near the work to be turned off and cool down
- Clear the space around the work
- Tell us the best time to work, such as after service or at a weekend
How to get a quote
Need a price for AHU cleaning? Please call 0345 646 2711 or use the quote form with a few details about the site. We’ll explain what we’d do and send a fixed quote before you commit to anything.
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When to call us in Crockham Hill
An AHU’s intake draws in outdoor air and everything in it: dust, pollen, leaves and debris. Most of it lands at the intake and the first stage of filters, and the finer material travels on.
Common reasons sites call us include:
- Air handling units due a clean after building work
- Drain trays holding standing water
- Dirty fans and fan housings
- Units that have only ever had filter changes
For buildings in and around Crockham Hill, TR19® Air cleaning starts with an inspection.
What to look for in a quote
- Whether the quote is based on a survey or photos
- When they can work, and whether that is outside your opening hours
- Their accreditations, such as BESCA Vent Hygiene Elite, CHAS or SafeContractor
- Whether the price is fixed
Leave it or put it right?
When the unit is clean, less dirt reaches the ducts, so the whole system stays cleaner for longer. It also means the next inspection has less to find. A planned visit to Crockham Hill is easier to arrange than an emergency callout.
Putting the work off seldom saves money. Problems in a system tend to grow, and a neglected system can mean more work. If you are unsure, call 0345 646 2711 or drop us a line and we will give you an honest view and a fixed quote.
Why book with us
- Member of BESCA Vent Hygiene Elite, cleaning to BESA TR19® Grease
- Photo reports with every job
- One contact for all your sites in London and the South East
- Evenings, overnight and weekends, plus 24/7 emergency callout
See what affects the cost and our accreditations and certificates.
What your team can do, and what needs us
Logging matters as much as cleaning. A dated log of in-house cleaning and checks shows an inspector that the system is looked after between visits, next to our reports.
For ventilation and air handling systems, in-house care is mostly about checks: keeping grilles clear, noting unusual noise or smells and logging filter changes. Cleaning inside ducts and units is specialist work.
Keeping the system healthy
To keep the system working properly between visits:
- Don’t store bins or materials near the intake
- Report water on the plant room floor
- Change filters on schedule and log each change
- Plan the next inspection before the last report gets filed away
We recommend when the unit should next be inspected or cleaned, based on what we found. Under TR19® Air the timing is set by inspection and risk, not a fixed calendar.
Keep the unit’s doors and panels in working order. If a section is hard to get into, it tends not to get checked.
AHU cleaning around Crockham Hill
About 19 miles out from central London, Crockham Hill is part of the South East area we work across. We work evenings, overnight and at weekends, so the visit fits around the site. About 2 miles north-west of Crockham Hill is Tandridge Priory, the nearest hospital. Hospitals show how much a building can rely on its ventilation, and smaller healthcare sites rely on theirs too.
Tandridge Priory, about 2 miles north-west, is the nearest hospital to Crockham Hill, and healthcare sites of every size need their supply air kept clean.
Crockham Hill is about 6 miles south-west of Sevenoaks, in Kent. Across the TN8 area, we can carry out AHU cleaning at your premises. Our area takes in 922 places across Kent, from busy centres to quieter spots. You can also see our page for London, roughly 19 miles from Crockham Hill.
All of TN8 is covered for AHU cleaning, from busy streets to back roads. AHU cleaning is available to premises on Deanery Road, Main Road and Spout Lane and the roads around them. Other places close to Crockham Hill include Goodley Stock (1 mile north), Pootings (1 mile south-east), Puddledock (1 mile east), The Chart (1 mile north-west) and Troy Town (2 miles south-west). Larger places within reach include Sevenoaks (6 miles north-east), Royal Tunbridge Wells (11 miles south-east), Tonbridge (10 miles east), Swanley (12 miles north-east), Kings Hill (15 miles east) and Paddock Wood (15 miles east).
Near you in Crockham Hill
The closest station to Crockham Hill is Edenbridge station, roughly 1.9 miles south. Nearby you will also find Hever Castle (4 miles south-east) and Haxted Watermill Museum (3.4 miles south-west). Not far away are Betsom's Hill and Dryhill Nature Reserve.