Kent · Air handling unit cleaning
AHU Cleaning in Four Throws
AHU cleaning across Four Throws and nearby, booked around your opening hours and finished with a written report and photos.
- Rooms that smell stuffy when the system runs
- Dirty fans and fan housings
- Coils clogged with dust and debris
Staff cleaning versus specialist work
In-house cleaning and specialist cleaning do different jobs. Wiping filters daily and washing them weekly keeps the visible parts in order, but grease that has passed the filters is out of reach. Reaching it takes a specialist with the right equipment.
Away from the kitchen, the in-house job is mainly checking: keeping grilles clear, noting unusual noise or smells and logging filter changes. Cleaning inside ducts and units is specialist work.
AHU cleaning in Four Throws
Coils are where a lot of the dirt ends up. Dirt on the fins holds back air and makes the unit work harder to do the same job. Coils are cleaned carefully, with methods chosen so the fins are not flattened. Typical jobs include odours coming through the supply air and leaves and litter drawn into the unit, on supply and extract fans, heating and cooling coils and dampers and louvres.
In rural areas, ventilation units are often in roof voids or outbuildings, where filters and drain trays get forgotten.
Each visit ends with a written report and pictures, so there’s a dated record of the work. Where the work is a TR19® Grease clean, the certificate is issued through the BESCA Vent Hygiene Elite portal.
- Where
- Four Throws (TN18)
- Region
- Kent
- Paperwork
- Report and photos after the visit
- Quotes
- Fixed quote, normally within a working day
- Working hours
- Nights, weekends or holidays to suit you
- Telephone
- 0345 646 2711
- Last updated
- 30 October 2026
Places near Four Throws
More services for Four Throws
Common problems we fix in Four Throws
Most units live out of sight on roofs, in plant rooms or in ceiling voids, so they’re easy to forget about. Months can pass without anyone looking inside.
Keep an eye out for these warning signs:
- Plant that has been serviced but not cleaned
- Units needing a clean before a new tenant or handover
- Coils clogged with dust and debris
- Debris and leaves in the fresh air intake
Classrooms and halls at schools such as Hawkhurst Church of England Primary School are easiest to work in when pupils are away.
What to look for in a quote
- If the quote is a fixed price or an estimate
- Whether a written report and pictures are included
- Exactly which parts of the system are covered
- What happens if part of the system can’t be accessed
Part by part
Heating and cooling coils
Heating and cooling coils have tightly packed fins that trap fine dust. We clean them with care so the fins aren’t damaged.
Drain trays
The drain tray collects water from the cooling coil. Standing water and slime are removed and the outlet is checked.
Between visits
A little care between visits keeps the system in better shape. We recommend:
- Store the TR19 paperwork where auditors can find it
- Keep filter changes on time and recorded
- Clear leaves and litter away from the intake
- Look at the condensate drain whenever the unit is serviced
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.
Regular filter changes are the best protection an AHU has. Overloaded filters let more dirt through to the coils and fan.
What affects the cost of AHU cleaning
You will get a fixed price before any work starts. It takes into account:
- Parking and loading at the site
- Working hours and out-of-hours timing
- How big the system is
- The condition of the system
No two sites are the same, so each one gets its own fixed quote. The size of the job, how we reach it, its condition and the working hours all make a difference.
What to send for a quote
What to send for a quote:
- Close-ups of filters, grilles, hatches or access panels
- A few general shots of the system
- Any symptoms, from odd noises to smells or leaks
- Where the site is and what kind of site it is
Here’s what helps us quote: where the site is, what it is and its opening hours, a few photos and any previous report or certificate. Once you have those, ring 0345 646 2711, or send details by email.
Four Throws buildings and their air
The FSA’s food hygiene register lists about 3 schools, colleges and universities with registered kitchens or food service in Four Throws and the streets around it, up to about 1.5 miles out. Busy, occupied buildings like these are where clean supply air matters most. About 4.9 miles north-east of Four Throws is Benenden Hospital, the nearest hospital. If you run a surgery, clinic or care home, your ventilation deserves the same care as a hospital’s, on a smaller scale. At about 42 miles from central London, Four Throws sits well inside the area we cover. We work evenings, overnight and at weekends, so the visit fits around the site.
Healthcare buildings such as Benenden Hospital, about 4.9 miles north-east, depend on their ventilation; if you manage a surgery, clinic or care home near Four Throws, yours matters too.
Four Throws is about 12 miles north of Hastings, in Kent. We provide AHU cleaning for businesses, landlords and public buildings in Four Throws and the rest of Kent. Our Kent coverage runs to 922 places, Four Throws among them. We also work in Maidstone, about 16 miles from Four Throws.
Our technicians cover all of the TN18 postcode area for AHU cleaning and the roads nearby. If you need AHU cleaning at premises on Rye Road, Foxhole Lane and Conghurst Lane or a nearby road, we can help. Close by, we work in Little Conghurst (1 mile south-west), Pipsden (1 mile north-west), Hawkhurst (1 mile north-west), The Moor (1 mile west) and Sandhurst Cross (1 mile south-east). We also work in nearby towns such as Royal Tunbridge Wells (13 miles north-west), Paddock Wood (11 miles north-west), Tenterden (7 miles east), Southborough (14 miles north-west), Park Wood (14 miles north) and Staplehurst (9 miles north).
Near you in Four Throws
Locally, jobs take us to businesses close to Oak And Ivy Public House and Collingwood Nature Reserve. The nearest railway station is Etchingham station, about 4.5 miles south-west. Other landmarks nearby include Benenden Hospital (4.9 miles north-east).
What AHU cleaning can’t fix
Not every problem is solved by AHU cleaning, and we’d rather say so up front. It does not solve:
- Ductwork downstream of the unit, which is a separate clean
- Faulty motors, drives or bearings
- Coils that are corroded or leaking and need replacing
If in doubt, phone us on 0345 646 2711 or drop us a line and we’ll say what we think.
Where we work
- Heating and cooling coils
- Supply and extract fans
- Internal panels
- Filter sections
- Dampers and louvres
- Drain trays
Your questions about AHU cleaning in Four Throws
Can you come to Four Throws after we close?
Yes, we can come after you close and finish before you open. The site is handed back ready to open. Your opening times are the first thing we ask for.
Do you do school ventilation cleaning in Four Throws in the summer holidays?
Yes. Half-terms and the summer break are the natural time for school work. There are about 3 schools, colleges and universities on the FSA’s food hygiene register within about 1.5 miles of Four Throws. Just phone us on 0345 646 2711 or send us an email with your term dates and we’ll plan around them.
How long does an AHU clean take?
It takes anything from half a day for one small unit to several shifts for a plant room full of them. The unit’s size and condition make the biggest difference, and the quote will give you a clear idea.
What if parts of the system can’t be reached?
We never leave them off the paperwork. You’ll know exactly which parts weren’t reached and why, and we can quote to improve the access.
How much notice do you need?
For planned work, earlier is better, particularly if your next visit is nearly due. For emergencies, we take calls 24/7.
Are you accredited?
CHAS, SafeContractor, ISO 9001 and BESCA Vent Hygiene Elite membership, cleaning to BESA TR19® Grease. We’ve been trading since 2009 and we’re fully insured.
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.
What does TR19 mean?
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.
What happens on the day
Your staff don’t need to do much on the day. Someone lets us in at the agreed time and shows us where everything is, and we take it from there. Before we leave, the area is tidied and the paperwork follows. A few photos of the system help us make the most of a visit to a place like Four Throws.
- The survey covers the unit, its access and how it can be shut down.
- The area is protected and the unit made safe.
- Dirt and debris are removed from each section.
- Coils and trays are cleaned and the condensate drain cleared.
- The unit is closed up and handed back, with a report to follow.
Preparing for the visit
- Have your last certificate or report to hand
- Move anything stored near the system
- Tell us the best time to work, such as after service or at a weekend
Ask for a quote
We do not publish a price list, because no two systems are the same. We look at your system first, from photos or on a visit, and then send you a fixed quote. To start, call 0345 646 2711 or send us an email.