West Sussex · Air handling unit cleaning
Air handling unit cleaning in Sompting, West Sussex
For air handling unit cleaning in Sompting, one call is all it takes: survey, fixed quote, work and sign-off. CHAS and SafeContractor accredited, ISO 9001 and fully insured.
- Air handling units with blocked filters
- Rooms that smell stuffy when the system runs
- Debris and leaves in the fresh air intake
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, and that is where we come in.
Some jobs should never be done in-house: opening up ductwork, cleaning fans, drop testing fire dampers and measuring grease need training, the right equipment and safe access. That is our job.
AHU cleaning in Sompting, done properly
Drain trays under cooling coils are meant to empty. When the drain blocks, water sits there and the tray turns slimy, in the airstream that feeds the building. Clearing and cleaning the tray is central to every AHU clean. The work covers dampers and louvres, drain trays and heating and cooling coils, and common reasons people get in touch are coils clogged with dust and debris and filters that are clogged or overdue.
Visits to a place like Sompting are fitted around opening hours. The work is the same as in any town: inspect, clean, record.
A written report with pictures follows each visit, so there’s a dated record of the work. Kitchen extract cleaning to TR19® Grease is certificated through the BESCA Vent Hygiene Elite portal.
- Where
- Sompting (BN15)
- Region
- West Sussex
- Records
- Written report with pictures
- Quotes
- A fixed price before any work starts
- Hours
- Overnight and weekend work, 24/7 emergency callout
- Call
- 0345 646 2711
- Updated
- 30 October 2026
Looking after it afterwards
Here’s the after-treatment advice, in brief:
- Report water on the plant room floor
- Keep filter changes on time and recorded
- Make sure condensate is draining away
- Don’t store bins or materials near the intake
You receive a TR19® certificate and a photo report after the clean. Keep both with the building’s maintenance records.
Change or clean filters on time. Overloaded filters let more dirt through to the coils and fan.
What the work involves, part by part
Internal casing and panels
We open each section through its doors and close them securely when we are done, and check every one is shut.
Filters
Clogged filters reduce airflow, and dirt can get round the edges. We clean the frames and rails so the filters sit tight.
When to call us in Sompting
Wherever there’s a cooling coil, there’s condensate. If the drain tray outlet blocks or the tray doesn’t fall properly, water stands in it, and that is where slime and odours start.
Keep an eye out for these warning signs:
- Odours coming through the supply air
- Condensate trays that won’t empty
- Dirty fans and fan housings
- Plant that needs cleaning after a refit
Worthing Hospital, about 1.6 miles south-west, is the nearest hospital to Sompting, and healthcare sites of every size need their supply air kept clean.
Before you book anyone
- What insurance they carry
- Whether VAT is included
- Which accreditations they hold, and whether you can check them
- Whether the quote is based on a survey or pictures
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. It’s better to plan the work at a site near Sompting than wait for a failure.
What you pay reflects the actual work. That is why we survey first, from pictures or on site, and the price is agreed before work begins.
Why choose Duct Doctor in Sompting
- Photo reports with every job
- Work around your opening hours, with 24/7 emergency cover
- Fully insured
- CHAS, SafeContractor and ISO 9001
Read our cost guide and our accreditations and certificates.
Nearby places to Sompting
Also in Sompting
What affects the cost of AHU cleaning
Before we fix a price, we need to know a few things. We look at:
- How many systems or sites are involved
- Access, including roofs, risers and ceiling voids
- The times the site is available
- Where the site is and how we reach it
Several systems or sites on one quote can make for a more efficient booking. Tell us about everything you’d like looked at, and you’ll get one fixed quote.
Asking for a quote
Photos let us diagnose from a distance. The most useful are:
- A few general shots of the system
- Your last certificate, test record or report
- The roof, plant room or outside wall the system runs to
- Detail shots of panels, filters and grilles
To get a fixed quote, give us a ring on 0345 646 2711, or email photos with the site type, your trading hours and a short description of the system. Photos and the last report, if you have one, make the quote quicker. We normally come back within one working day.
What happens on the day
Protection comes first: sheeting goes over floors and surfaces close to the work. After that, the system is made safe and the work begins. It takes from a few hours for a compact unit to a day or more for a large one, and the area is cleaned down before we leave. Tell us when your site near Sompting is quiet and the visit will be booked for then.
- First the unit is surveyed, from photos or a visit, and the scope agreed.
- With your site team, the unit is switched off and isolated, then the area around it protected.
- We clean or change the filters as agreed, then clean the coils, fan and internal panels.
- We clean out the drain tray and make sure it drains.
- We close up the unit and send the certificate and before and after pictures.
Getting ready for the visit
- Tell us about access, such as roof hatches, plant rooms, ceilings or locked areas
- Make sure someone can let us in and lock up afterwards
- Mention any parking or loading restrictions
How to get a quote
To help us quote: the address, the type of site and when it’s open, photos of the system and any previous report or certificate. Then call 0345 646 2711 or drop us a line.
Advice
Sompting buildings and their air
Food Standards Agency records list about 7 schools, colleges and universities and about 23 care, childcare and hospital premises registered as food businesses within about 1.5 miles of central Sompting. Where buildings like these have air handling units, filters, coils and drain trays need regular attention. At about 47 miles from central London, Sompting sits well inside the area we cover. The visit is fixed around your opening hours, not ours. About 1.6 miles south-west of Sompting is Worthing Hospital, the nearest hospital. Healthcare buildings depend on clean supply and extract ventilation, and the same applies to surgeries, clinics and care homes.
If you manage shops or offices close to Lancing station, a TR19® Air inspection shows whether the ductwork needs cleaning. For schools like Sompting Village Primary School, the holidays are the usual time to inspect and clean ventilation.
Sompting is about 3 miles east of Worthing, in West Sussex. If you need AHU cleaning in Sompting, please ring 0345 646 2711 or send us an email for a fixed quote. Our area covers London and the South East, Sompting included. Sompting is one of 371 places in West Sussex we cover for AHU cleaning. Our Brighton page covers sites nearby, about 9 miles away.
Our technicians cover all of the BN15 postcode area for AHU cleaning and the roads nearby. Whether your site is on Osborne Drive, Western Road North and Osborne Close or a nearby road, our technicians can take on the work. Other places close to Sompting include Lancing (1 mile east), East Worthing (1 mile south), Broadwater (2 miles west), Offington (2 miles west) and Salvington (3 miles west). Within a short drive, we also cover Bognor Regis (15 miles west), Burgess Hill (13 miles north-east), Littlehampton (9 miles west), Shoreham-by-Sea (3 miles east), Rustington (8 miles west) and Storrington (8 miles north-west).
Local landmarks in Sompting
Around Sompting, our work takes us to kitchens and buildings near Sompting Abbotts Preparatory School, Brooklands Park and The Sir Robert Woodard Academy and the streets around them. For rail, the closest station is Lancing station, roughly 0.8 miles south-east of the centre. A little further out are Old Castle (2.4 miles west) and Museum of Sussex Folklore (2.5 miles west). For a walk, there’s Lancing Ring and Widewater Lagoon.
Sompting questions
Can you work in Sompting outside opening hours?
Yes, out-of-hours work is a big part of what we do. It means the site in Sompting keeps running as normal. Tell us your opening hours when you ask for a quote.
Do you cover smaller places like Sompting?
Yes. Villages and rural sites across the South East are part of our work, Sompting included. Let us know about access, parking and anything unusual about getting there when you book.
Can one contract cover all our sites?
Yes. One number covers all your sites across London and the South East, with visits on a regular schedule.
How often should an air handling unit be cleaned?
That’s set by inspection, in line with TR19® Air. Units in heavy use or in sensitive buildings may need attention more often.
Will we get paperwork for the AHU clean?
Yes, both a certificate and a report with pictures. The report also suggests when the unit should next be inspected.
What is TR19?
It’s the industry benchmark for cleaning ventilation and kitchen extract systems, written by BESA. It sets out inspection, cleaning and record keeping, and it takes a risk-based approach.
Which accreditations do you hold?
Our accreditations are CHAS, SafeContractor and ISO 9001, and we are a BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease. The Vent Hygiene Elite scheme is run by BESCA and audited independently.
How do you protect the area?
Protection goes down first: floor sheeting and covers over nearby surfaces and equipment. We tidy up and take our waste away before we leave.