Surrey · Air handling unit cleaning
AHU Cleaning in Ewell
For air handling unit cleaning in Ewell, one call is all it takes: survey, fixed quote, work and sign-off. Fully insured, with CHAS, SafeContractor and ISO 9001.
- Dirty coils holding back the airflow
- Plant that has been serviced but not cleaned
- Odours coming through the supply air
In-house cleaning or a specialist?
Your own staff can handle the daily basics: wiping down canopy surfaces, cleaning filters and keeping a simple log. Inside the ducts, risers and fan is specialist work, which is where we come in.
Staff cleaning doesn’t replace a specialist visit; it supports it. Clean filters and tidy surfaces slow the build-up, but the parts you can’t see still need a specialist at the right interval.
About our AHU cleaning in Ewell
A cooling coil drips condensate into a tray that should drain away. When the drain blocks, water sits there and the tray turns slimy, right in the path of the air going into the building. Cleaning and clearing it is a key part of the job. Common call-outs are for odours coming through the supply air and condensate trays that won’t empty, on drain trays, heating and cooling coils and filter sections.
Buildings in towns like Ewell often have ventilation added in stages, with units on the roof or in a plant room. An inspection shows which parts need cleaning.
The report is your system’s health record: dated, with photos, and showing what was done. Grease extract cleans are also certificated to TR19® Grease through the BESCA VHE portal, ready for your insurer.
- Where
- Ewell (KT19, KT17, SM2)
- Region
- Surrey
- Reporting
- Photo report after each visit
- Price
- A fixed price before we start
- Hours
- Out of hours as standard, 24/7 emergency line
- Telephone
- 0345 646 2711
- Checked
- 30 October 2026
Other services in Ewell
How it works
Each visit runs to the same pattern: protect the area, make the system safe, do the work, tidy up and hand over the paperwork. The visit itself takes from a few hours for a compact unit to a day or more for a large one. Parking in a town like Ewell is normally straightforward, so the main questions are access and timing.
- We agree a shutdown window that suits the building.
- We take before pictures of each section of the unit.
- We work through the unit from the intake to the outlet.
- We finish with the fan section and the drain tray.
- After photos are taken and the certificate issued.
Getting ready for the visit
- Clear the space around the work
- Have your last certificate or report to hand
- Let us know about parking and loading
How to get a quote
We do not publish a price list, because every site is different. We look at your system first, from photos or on a visit, and then give you a fixed quote. To start, call 0345 646 2711 or email us.
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Multi-site and managed buildings
We work for landlords, managing agents and facilities managers as well as the people running the site. Shared systems, like a riser serving several units, need a clear agreement on who books the work, and we can quote for the whole system.
Records are where multi-site compliance often slips. Each visit produces a dated report with pictures, ready to show insurers, fire officers or EHOs.
Fixed quotes for AHU cleaning in Ewell
We do not publish a price list, because no two systems are the same. The quote depends on:
- A single visit or a regular plan
- The times the site is available
- What state the system is in
- Site requirements such as sign-in and permits
Leaving it longer rarely makes the work cheaper. Problems in a system tend to grow, which can make the next visit longer. If you’re unsure, phone us on 0345 646 2711 or send us an email and we’ll give you an honest view and a fixed quote.
What to send for a quote
To speed up the quote, send us:
- Where the plant sits or the system leaves the building, such as a roof or outside wall
- Your last certificate, test record or report
- A few general shots of the system
- Where the site is and what kind of site it is
Want a quote for AHU cleaning? Please ring 0345 646 2711 or send us an email and tell us about the site. We will explain what we’d do and send a fixed quote before anything is booked.
Your questions about AHU cleaning in Ewell
Can you clean school ventilation in Ewell during the holidays?
Yes, holiday work suits schools best. With about 20 schools and colleges on the FSA’s register within roughly a mile and a half of Ewell, it pays to plan holiday dates ahead. You can call 0345 646 2711 or drop us a line with the dates the site is empty.
Do you work overnight in Ewell?
Yes. We work evenings, overnight and at weekends. The site is handed back ready to open. Tell us your opening hours when you ask for a quote.
How long does it take to clean an air handling unit?
The work takes one overnight shift for many single units, with bigger plant phased. Bigger units can be phased, so phone us on 0345 646 2711 or email us to talk it through.
What do you do with what you remove?
Waste is contained during the work and removed when we leave, including grease, debris and dirty water. None of it is left on site.
Which parts of an air handling unit do you clean?
All the internal parts the air touches, from intake to discharge, including coils, fan and drain trays. You get a photo report showing each part before and after.
What happens if you can’t reach some of it?
The report shows them clearly. In ductwork, new access panels are often the answer, which we can install.
What accreditations do you have?
Duct Doctor is a BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease. CHAS, SafeContractor and ISO 9001 are in place too, and we are fully insured.
How much notice do you need?
Earlier is better, especially for out-of-hours work. Quotes usually come back within one working day, and there’s a 24/7 line for emergencies.
What AHU cleaning cannot fix
Before booking, it helps to know what’s not included:
- Faulty motors, drives or bearings
- Leaking heating or cooling coils
- Airflow problems caused by the system’s design
If in doubt, call 0345 646 2711 or drop us a line and we will say what we think before you book.
Where we work
- Supply and extract fans
- Dampers and louvres
- Filter sections
- Internal panels
- Heating and cooling coils
- Drain trays
Leave it or put it right?
A light clean now is simpler than a heavy one later. Leave it for years and dirt bakes onto coils and casings, especially where there’s been moisture. An inspector or insurer will want to see recent records, so it makes sense to have them ready.
The cost depends on how big the system is, what state it’s in and how easy it is to reach. You get a fixed price before work begins, so you know where you stand.
Why Ewell businesses choose us
- We’re fully insured
- A written report with pictures after every visit
- A fixed price before any work starts
- BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease
AHU cleaning in Ewell: local notes
There are about 20 schools, colleges and universities and about 28 caring premises (care homes, nurseries and hospitals) on the FSA’s food hygiene register in and around Ewell, up to about a mile and a half out. Buildings like these often rely on mechanical ventilation, which TR19® Air covers. We cover Ewell, about 12 miles from central London, as part of our work across London and the South East. We work evenings, overnight and at weekends, so the visit fits around the site. Ewell’s nearest hospital, St. Ebba's Hospital, is about 0.9 miles west. Healthcare buildings depend on clean supply and extract ventilation, and the same applies to surgeries, clinics and care homes.
Wherever a school like St Clement's Catholic Primary School has ducted ventilation, a half-term visit keeps the work out of lesson time. If you manage shops or offices close to Ewell West station, a TR19® Air inspection shows whether the ductwork needs cleaning.
Ewell is about 10 miles south of Kensington, in Surrey. If you need AHU cleaning in Ewell, please phone us on 0345 646 2711 or send us an email for a fixed quote. Our area covers London and the South East, including Ewell. Across Surrey, we cover 395 places, and Ewell is one of them. London is in our area too, around 12 miles away.
We work across KT19, KT17 and SM2 for AHU cleaning and the roads nearby. Whether your site is on London Road, High Street and Church Road or a nearby road, we can help. Main roads around Ewell include the A24 and A232, so getting to you is simple for AHU cleaning. We also cover the places around Ewell: Stoneleigh (1 mile north-east), Cuddington (1 mile east), Epsom (1 mile south-west), Worcester Park (1 mile north) and North Looe (1 mile south-east). Further out, we also cover Woking (14 miles west), Horley (13 miles south), Redhill (9 miles south-east), Egham (14 miles north-west), Reigate (8 miles south) and Walton-on-Thames (7 miles west). As one of the bigger places in Surrey, Ewell has a wide mix of commercial premises, and we cover all of them for AHU cleaning.
Landmarks near Ewell
We work in commercial kitchens and buildings around Blenheim High School, King William IV Public House and Hogsmill LNR and the streets around them. There’s a railway station in Ewell itself: Ewell West station. Other landmarks nearby include Chessington Castle Hill (1.6 miles west) and St. Ebba's Hospital (0.9 miles west). Green spaces nearby include Tolworth Court Farm Fields and The Lake.
Do you need AHU cleaning in Ewell?
Dirt in an AHU matters in two ways: the unit supplies the air people breathe, and a dirty unit has to work harder. For the people using the building every day, that is the air they breathe for hours on end.
If you notice any of these, it’s worth a diagnosis:
- Condensate trays that won’t empty
- Dust-coated heating and cooling coils
- Dirty filters cutting the airflow
- Odours coming through the supply air
If you run a surgery, dental practice or care home near Ewell, clean ventilation matters as much to you as to a hospital like St. Ebba's Hospital (about 0.9 miles west).
Comparing quotes
- What hours they’ll be on site
- Proof of insurance
- Whether the price is fixed
- Whether they recommend a next date