Essex · Air handling unit cleaning
Air handling unit cleaning in South Woodham Ferrers, Essex
AHU cleaning in South Woodham Ferrers from ventilation hygiene specialists trading since 2009. Evenings, overnight and weekends, plus a 24/7 emergency line.
- Condensate trays that won’t empty
- Plant that has been serviced but not cleaned
- Air handling units due a clean after building work
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. We clean the impeller, housing and surrounding section.
Internal casing and panels
The inside walls and floor of the casing collect dust and debris. Each section is cleaned from the intake through to the outlet.
About our AHU cleaning in South Woodham Ferrers
Drain trays under cooling coils are meant to empty. If the outlet blocks, standing water and slime build up, right in the path of the air going into the building. Clearing and cleaning the tray is central to every AHU clean. If you’re dealing with units needing a clean before a new tenant or handover and blocked condensate drains and slimy trays, we can help.
Smaller buildings around South Woodham Ferrers often keep their ventilation units in a roof void or plant cupboard, where they’re easy to forget. Every unit, large or small, has filters, coils and a drain tray to keep clean.
A written report with photos follows every visit, 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.

- Place
- South Woodham Ferrers (CM3)
- Wider area
- Essex
- Reporting
- Photo report after every visit
- Price
- A fixed price before any work starts
- Hours
- After hours by arrangement; emergencies any time
- Phone
- 0345 646 2711
- Last updated
- 30 October 2026
Aftercare tips
To keep the system working properly between visits:
- Change filters on schedule and log each change
- Plan the next inspection before the last report gets filed away
- Look at the condensate drain whenever the unit is serviced
- Keep the area around the fresh air intake clear
You receive a TR19® certificate and a photo report after the clean. They belong in the plant or maintenance log.
Check drain trays and condensate drains during routine maintenance. Catching a slow drain early stops standing water building up.
South Woodham Ferrers: your questions answered
Do you cover smaller places like South Woodham Ferrers?
Yes, South Woodham Ferrers is part of our area, however small the site. The journey is planned ahead, so a few details about the route help.
Do you work overnight in South Woodham Ferrers?
Yes. We work evenings, overnight and at weekends. The site is handed back ready to open. When you phone us on 0345 646 2711 or drop us a line, mention when the site is quiet.
How much notice should we give?
That depends on the slot you want and the size of the job. Tell us your preferred dates when you ask for a quote, and for anything urgent, ring our 24/7 emergency line.
How long does it take to clean an air handling unit?
Typically the clean takes from a few hours for a compact unit to a day or more for a large one. The shutdown is planned to fit, including evenings or weekends.
Which accreditations do you hold?
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.
How much does AHU cleaning cost in South Woodham Ferrers?
Size, condition, access and working hours all affect the cost. Ask us for a fixed quote, normally ready within one working day.
Do you give a certificate after the clean?
Yes, a TR19® certificate and a photo report. The report also suggests when the unit should next be inspected.
How often do AHUs need cleaning?
That’s set by inspection, in line with TR19® Air. A hard-working unit, or one serving a hospital or care home, may need cleaning more often.
Fixed quotes for AHU cleaning in South Woodham Ferrers
We do not publish a price list, because sites vary so much. The quote depends on:
- Working hours and out-of-hours timing
- The condition of the system
- Whether it’s a one-off visit or part of a schedule
- Parking and loading at the site
Kitchens, offices, schools and hospitals are all priced the same way: how much there is, how we reach it, what state it’s in and when we can work. Ask for a fixed quote and we’ll go through it with you.
Asking for a quote
There’s no need for technical detail. It helps if you can send:
- The postcode and the type of business
- Where the plant sits or the system leaves the building, such as a roof or outside wall
- Your last certificate, test record or report
- Detail shots of panels, filters and grilles
Quotes are quick. Send a few details and pictures, and we normally reply with a fixed quote within one working day. Where a survey is needed, we arrange a time that suits the site.
Ventilation in South Woodham Ferrers buildings
The FSA’s food hygiene register lists about 5 schools, colleges and universities and about 8 care, childcare and hospital premises with registered kitchens or food service within roughly a mile and a half of the centre of South Woodham Ferrers. Many buildings of this kind have supply and extract ductwork that gathers dust and needs inspecting. South Woodham Ferrers, about 32 miles from central London, is within our usual area. The visit is fixed around your opening hours, not ours.
If you manage a school such as Elmwood Primary School, ventilation cleaning is best booked for the holidays. Workplaces around South Woodham Ferrers station with an air handling unit need the filters, coils and drain tray looked at, as well as the ducts.
South Woodham Ferrers is about 4 miles north of Rayleigh, in Essex. Whatever kind of site you run in South Woodham Ferrers, AHU cleaning is something we can help with. We can work out of hours so the site keeps running. We cover 644 places across Essex, from busy centres to quieter spots. Chelmsford is in our area too, around 8 miles away.
Our technicians cover all of CM3 for AHU cleaning and the streets around it. AHU cleaning is available to premises on Holbrook Close, Leighlands Road and Hullbridge Road and the roads around them. South Woodham Ferrers sits on or near the B1012, which makes travel easy for AHU cleaning. Neighbouring places we cover for AHU cleaning include Brandy Hole (1 mile south-east), Hullbridge (1 mile south), Stow Maries (2 miles north-east), Great Canney (3 miles north-east) and North Fambridge (3 miles east). Further out, we also cover Chelmsford (8 miles north-west), Basildon (8 miles south-west), Brentwood (13 miles west), Maldon (7 miles north-east), Canvey Island (8 miles south) and Billericay (8 miles west).
Near you in South Woodham Ferrers
In South Woodham Ferrers, that means kitchens and buildings near Fenn Washland and William de Ferrers School, among other places. For rail, the closest station is South Woodham Ferrers station, roughly 0.5 miles north-west. Other landmarks nearby include Battlesbridge Motorcycle Museum (2.3 miles south-west) and Rayleigh Castle (3.9 miles south). Open spaces near South Woodham Ferrers include Woodham Fen.
In-house cleaning or a specialist?
Day-to-day cleaning is something your team can do: wiping canopies, washing grease filters and recording it in a log. Inside the ducts, risers and fan is specialist work, which is where we come in.
Some jobs should never be done in-house: entering ducts, working on fans, testing dampers and taking grease readings call for the right kit, training and safe access. Leave those to us.
Landlords, agents and facilities managers
For anyone managing more than one site, we can plan visits across the whole estate and price them together. Every building has its own written report, so records stay tidy.
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. With shared responsibility, good records help everyone.
When it’s something else
An honest diagnosis matters more to us than a booking, so here’s what AHU cleaning won’t do:
- The supply and extract ducts, quoted separately
- Building management system faults
- Faulty motors, drives or bearings
Not sure which it is? You can call us on 0345 646 2711 or send us an email and we’ll tell you honestly.
What the work covers
- Filter sections
- Internal panels
- Heating and cooling coils
- Dampers and louvres
- Supply and extract fans
- Drain trays
How the visit works
We work around your opening hours, not the other way round. We book the visit for a time the area is closed, whether that is an evening, overnight or a weekend. When the team arrives, the work area is protected and the relevant equipment is switched off to cool, and the job takes from a few hours for a compact unit to a day or more for a large one. Because the survey comes first, a visit to South Woodham Ferrers can usually be finished without a second trip.
- We survey the unit from pictures or on site and agree what’s included.
- The unit is shut down with your site team and the area protected.
- Filters are dealt with as agreed, and the coils, fan and casing cleaned.
- Drain trays are cleared and cleaned and the outlet checked.
- You get a TR19® certificate and a photo report.
Preparing for the visit
- Make sure equipment near the work can be switched off and left to cool
- Let us know about permits to work or site inductions
- Tell us about access, such as roof hatches, plant rooms, ceilings or locked areas
Get a fixed quote
Photos are enough for some jobs, while others need a look on site. 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.