Greater London · Air handling unit cleaning
AHU Cleaning in Southall
Cleaning of air handling units, including filters, coils, drain trays, fans and internal surfaces in Southall, surveyed first and signed off with a written report and pictures. Call for a fixed quote.
- Condensate trays that will not empty
- Fan sections that haven’t been cleaned in years
- Dust-coated heating and cooling coils
How we handle AHU cleaning in Southall
Heating and cooling coils trap dust that gets past the filters. A coated coil restricts airflow and makes the unit work harder. Coils are cleaned carefully, with methods chosen so the fins are not flattened. We are often asked to deal with air handling units with blocked filters and condensate trays that won’t empty, across internal panels, drain trays and heating and cooling coils.
Many London buildings have had their ventilation extended and altered through several fit-outs, with old runs left behind that are hard to reach. In Southall, as elsewhere, cleaning starts with an inspection of what’s there.
The report is your system’s health record: dated, with photos, and showing what was done. For TR19® Grease cleans, the certificate comes through the BESCA Vent Hygiene Elite portal, ready for your insurer.

- Place
- Southall (UB2, UB1, UB6, W7)
- Wider area
- Greater London
- Reporting
- Photo report after each visit
- Price
- Fixed quote, typically within a working day
- Hours
- Out of hours as standard, 24/7 emergency line
- Call
- 0345 646 2711
- Reviewed
- 30 October 2026
Landlords, agents and facilities managers
Running several sites is easier with one contractor. We cover South East England and London, so a run of sites can go into one programme and kept on a regular cycle.
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.
Towns and villages near Southall
What else we do in Southall
Questions from Southall
Can a school’s ventilation in Southall be done out of term time?
Yes, out-of-term visits are normal for schools. With about 37 schools and colleges on the FSA’s register within roughly a mile and a half of Southall, it pays to plan holiday dates ahead. You can give us a ring on 0345 646 2711 or send us an email with the dates the site is empty.
Do you work overnight in Southall?
Yes, evening, overnight and weekend work is normal for us. That way a site in Southall does not have to lose a day’s trading. Just ring 0345 646 2711 or email us with your opening times and we’ll plan around them.
How often do AHUs need cleaning?
TR19® Air takes a risk-based approach, so it depends on inspection rather than a fixed interval. Each report suggests when the unit should next be looked at.
How much notice should we give?
For planned work, earlier is better, especially if the next clean or test is due soon. For emergencies, we take calls 24/7.
How do you keep the site clean during the work?
Protection goes down first: sheeting over floors, worktops and anything close to the work. We tidy up and take our waste away before we leave.
What happens if you cannot reach some of it?
They’re listed in the report, never skipped quietly. You will know exactly which parts weren’t reached and why, along with a quote to put access in.
Can you look after several sites?
Yes. Tell us the addresses and what each needs and we will quote them together.
How much does AHU cleaning cost in Southall?
The cost depends on the size of the system, its condition, access and timing. Ask us for a fixed quote, usually ready within one working day.
Fixed quotes for AHU cleaning in Southall
We quote each job individually. These are the things that affect it:
- One-off work versus a regular cycle
- How easy every part is to reach
- The size of the system
- Site requirements such as sign-in and permits
Whatever the type of site, the quote works the same way: how much there is, how we reach it, what state it’s in and when we can work. Call for a fixed quote and we’ll go through it with you.
What to send for a quote
Many jobs can be priced from pictures and some basics. Send what you can of the following:
- Photos showing the whole system and its surroundings
- How we’d reach plant on a roof or in a plant room
- Detail shots of panels, filters and grilles
- Anything you’ve noticed, such as smells, noise, drips or poor airflow
Quotes are quick. Call or email with a few details and you will typically have a fixed price within one working day. If we need to see the system first, we book a survey around your hours.
How the visit works
On the day, we arrive at the time agreed with you, often in the evening, overnight or at the weekend so the site keeps working. Equipment that has to be off is switched off and allowed to cool first, and floors and nearby surfaces are sheeted. On site, it takes a single shift for a typical unit, longer for large or heavily soiled ones. Before any visit in Southall, we agree where the van can stop and how equipment reaches the system.
- First we agree when the unit can be switched off, including evenings or weekends.
- Before cleaning, each section is photographed.
- We work through the unit from the intake to the outlet.
- The fan and drain tray are cleaned and the drain checked.
- We take after pictures and issue the certificate and report.
How to prepare
- Make sure equipment near the work can be switched off and left to cool
- Let us know about permits to work or site inductions
- Let us know about parking and loading
Ask for a quote
Here’s what helps us quote: where the site is, what it is and its opening hours, photos of the system and any previous report or certificate. Then phone us on 0345 646 2711 or use the quote form.
Advice
Southall buildings and their air
The FSA’s food hygiene register lists about 37 schools, colleges and universities, about 68 hospitals, care homes and childcare premises and about 4 hotels, B&Bs and guest houses with registered kitchens or food service within 1.5 miles or so of the middle of Southall. Buildings like these often rely on mechanical ventilation, which TR19® Air covers. Southall’s nearest hospital, St Bernard's Hospital, is about 1.2 miles east. If you run a surgery, clinic or care home, your ventilation deserves the same care as a hospital’s, on a smaller scale. Getting kit to a London plant room usually means lifts, stairs and an agreed loading slot.
For workplaces around Southall station with mechanical ventilation, cleaning can be done in the evening or at weekends. Wherever a school like Hambrough Primary School has ducted ventilation, a half-term visit keeps the work out of lesson time.
Southall is about 3 miles west of Ealing, in Greater London. Every kind of commercial site in Southall, AHU cleaning is something we can help with. Visits can be booked for evenings, overnight or weekends so the site keeps running. 764 places in Greater London are on our list, from busy centres to quieter spots. For sites nearby, see our London page (12 miles or so).
Work in UB2, UB1, UB6 and W7 follows the same survey, fixed quote and written report as everywhere else we cover. If you need AHU cleaning at premises on Uxbridge Road High Street, Emerald Square and Randolph Road or anywhere close by, our technicians can take on the work. Other places close to Southall include Dormers Wells (1 mile north-east), West Ealing (2 miles east), Yeading (2 miles north), Yiewsley (2 miles north) and Hanwell (2 miles east). Within a short drive, we also cover London (12 miles east), City of Westminster (10 miles east), Marylebone (10 miles east), Kensington (8 miles east), St Pancras (11 miles east) and Shoreditch (13 miles east).
Local landmarks in Southall
We work in commercial kitchens and buildings around Minet Country Park, Glassy Junction pub and Villiers High School, among other places. There’s a railway station in Southall itself: Southall station. Nearby you will also find Treaty Centre (2.8 miles south) and Museum of Army Music (3.8 miles south). Not far away are Northala Fields and Middle Lake.
What staff can safely do
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. The inside of ducts and units needs a specialist.
If your staff spot something between visits, like drips, unusual noise, smells or damaged filters, they should report it rather than try to fix it. We’ll take a look and send you a fixed quote.
Between visits
Good habits slow the build-up between visits. A few tips:
- Keep the area around the fresh air intake clear
- Stick to the filter change plan
- Report water on the plant room floor
- Report stiff or damaged access doors
Photos in the report cover the filters, coils, drain tray, fan and casing, along with anything we couldn’t reach. Any defects we noticed, like a leaking tray or damaged lining, are listed.
Regular inspection under TR19® Air shows when cleaning is due instead of leaving it to guesswork.
When to call us in Southall
Planned maintenance often covers belts, motors and filters but not cleaning. That means a unit can tick every service box and still be carrying years of dirt.
What we are most often called out for:
- Dust-coated heating and cooling coils
- Leaves and litter drawn into the unit
- Filters that are clogged or overdue
- Plant that needs cleaning after a refit
If you run a surgery, dental practice or care home near Southall, clean ventilation matters as much to you as to a hospital like St Bernard's Hospital (about 1.2 miles east).
Comparing quotes
- How VAT is shown on the quote
- Whether the figure could change on the day
- Their accreditations, such as BESCA Vent Hygiene Elite, CHAS or SafeContractor
- Whether they’re fully insured
What a clean will not put right
It’s worth knowing the limits before booking:
- Coils that are corroded or leaking and need replacing
- Building management system faults
- Dirty ducts beyond the unit itself
Not sure which it is? You can give us a ring on 0345 646 2711, or email photos and we’ll tell you honestly.
What the work covers
- Supply and extract fans
- Heating and cooling coils
- Dampers and louvres
- Drain trays
- Internal panels
- Filter sections