West Sussex · Air handling unit cleaning
AHU Cleaning in Sidlesham
AHU cleaning across Sidlesham and nearby, timed so the site keeps working and finished with a written report and pictures.
- Coils clogged with dust and debris
- Leaves and litter drawn into the unit
- Air handling units with blocked filters
AHU cleaning for kitchens and businesses in Sidlesham
An AHU clean is a thorough examination and treatment of the unit. We look inside each section, clean what we find and record it with photos, so you can see the unit’s condition for yourself. If you are dealing with debris and leaves in the fresh air intake and filters that are clogged or overdue, we can put it right.
Rural buildings with mechanical ventilation, such as care homes and country hotels, often keep their units in roof spaces or outbuildings, where filters and drain trays get forgotten.
Good records are part of the job. You get a written report with pictures after each visit, covering the work done, any areas we couldn’t access and a recommended next date. File it in your maintenance log so it’s ready for an insurer, fire officer or EHO.

- Place
- Sidlesham (PO20)
- Region
- West Sussex
- Records
- Written report with pictures
- Price
- Fixed quote, typically within a working day
- Working hours
- After hours by arrangement; emergencies any time
- Call
- 0345 646 2711
- Reviewed
- 30 October 2026
How it works
There’s very little for your team to do on the day. A contact on site lets us in at the agreed time and points us to the system, and we take it from there. Before we leave, the area is tidied and the paperwork follows. Visits to a village like Sidlesham are booked in advance, at a time that suits whoever runs the site.
- The survey covers the unit, its access and how it can be shut down.
- We sheet the area and the unit is isolated.
- Each section is cleaned of dust, debris and slime.
- We clean the coils and clear the tray and drain.
- The unit is closed up and handed back, with a report to follow.
Before we arrive
- Arrange a key holder or contact on site
- Let us know about permits to work or site inductions
- Agree a time when the area can be out of use
How to get a quote
There’s no standard price list, because every site is different. We look at your system first, from pictures or on a visit, and then send you a fixed quote. To get going, call 0345 646 2711 or drop us a line.
Related advice
Also near Sidlesham
More services for Sidlesham
Sidlesham buildings and their air
The nearest hospital to Sidlesham is St Richard's Hospital, about 4.7 miles north. Healthcare ventilation is a good example of why supply ducts need inspecting: the air goes straight to patients. We cover Sidlesham, about 58 miles from central London, as part of our work across London and the South East. A survey and a fixed quote come first, then the visit at a time that suits you.
Healthcare buildings such as St Richard's Hospital, about 4.7 miles north, depend on their ventilation; if you manage a surgery, clinic or care home near Sidlesham, yours matters too.
Sidlesham is about 3 miles north of Selsey, in West Sussex. Anywhere in PO20, we cover AHU cleaning for commercial sites. We cover 371 places across West Sussex, from busy centres to quieter spots. There’s also a page for Portsmouth, about 13 miles away.
Every address in PO20 is within our area for AHU cleaning, from busy streets to back roads. You’ll find streets such as Rookery Lane, Selsey Road and Manhood Lane, and we cover them all for AHU cleaning. You will find Sidlesham on the B2145, which makes it straightforward for our technicians to reach for AHU cleaning. We also cover the places around Sidlesham: Keynor Estate (1 mile south-west), Street End (1 mile north), Sidlesham Common (1 mile north), Fisher (2 miles north-east) and Church Norton (2 miles south). Larger places within reach include Bognor Regis (4 miles east), Chichester (4 miles north), Selsey (3 miles south), Littlehampton (11 miles east), Emsworth (8 miles north-west) and Rustington (12 miles east).
Landmarks near Sidlesham
For rail, the closest station is Chichester station, roughly 3.9 miles north of the centre. Well-known places in the area include St Richard's Hospital (4.7 miles north) and Chichester Castle (4.4 miles north).
What the work involves, part by part
Drain trays
Standing water in a tray sits right where the air passes. We clean it and note if the slope or the drain needs attention.
Rooftop and plant room units
Units outside are exposed to weather and windblown debris. The intake section gets particular attention.
What we’re called out for in Sidlesham
An overdue filter loads up with dirt, which cuts the airflow and can let air slip round the filter. After that, the coils and fan collect what the filter should have caught.
These are the problems we see most often:
- Odours coming through the supply air
- Dirty filters cutting the airflow
- Plant that has been serviced but not cleaned
- Coils clogged with dust and debris
Wherever a school like Sidlesham Primary School has ducted ventilation, a half-term visit keeps the work out of lesson time.
Before booking anyone
- Whether the quote shows VAT
- Whether they recommend a next date
- Whether the work can be done while the site is closed
- What paperwork you get at the end
Sidlesham: your questions answered
Can ventilation in schools around Sidlesham be cleaned out of term?
Yes. The holidays are the usual time for school work. The FSA’s register shows about 2 schools and colleges with food registrations within roughly a mile and a half of Sidlesham. Send us your term dates when you call us on 0345 646 2711 or use the quote form, and we’ll fit the work in.
Can you work in Sidlesham outside opening hours?
Yes, out-of-hours work is a big part of what we do. It means the site in Sidlesham keeps running as normal. Your opening times are the first thing we ask for.
Can you come out in an emergency?
Yes. If something urgent happens, like a fan failing or damage after a fire, call our 24/7 line, and we’ll advise on what to do next.
Do you need to switch the unit off?
Yes. We cannot clean a running unit, so it’s switched off and made safe first. We agree the timing with your site team.
How far ahead should we book?
Earlier is better, especially for out-of-hours work. We usually quote within one working day, and there’s a 24/7 line for emergencies.
Which sectors do you work in?
Any site with a kitchen or a ventilation system to look after, from a small pub to a hospital. We work with hotels, schools, care homes, offices, retail and leisure sites.
How long will the unit be out of action?
Expect it to take one overnight shift for many single units, with bigger plant phased. Size, layout and how dirty it is decide the rest, and the quote will give you a clear idea.
Can you fix a faulty AHU?
Mechanical repairs to the unit are for your HVAC maintenance contractor. We’ll flag anything we notice during the clean.
What AHU cleaning cannot fix
We won’t sell you work that doesn’t address the problem, so here are the limits:
- Mechanical faults with motors, belts or bearings
- Leaking heating or cooling coils
- Controls and BMS settings that run the unit
If you’re not sure, just ring 0345 646 2711 or drop us a line and we will give you a straight answer before you book.
Where we work
- Supply and extract fans
- Filter sections
- Internal panels
- Dampers and louvres
- Heating and cooling coils
- Drain trays
Leave it or put it right?
Tenants, auditors and owners may want proof that the air handling plant is kept clean. A TR19® certificate and photo report give you that, ready to show anyone who asks. Planning a trip to Sidlesham ahead is easier for everyone than a rushed one.
No two sites are the same, so we price each one individually. Size, access, the condition of the system and when we can work all play a part.
Why us?
- One number for every site across the South East and London
- A BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease
- Survey first, then a fixed quote
- In business since 2009
Take a look at what affects the cost and our accreditations.
How we price AHU cleaning
We do not publish a price list, because no two systems are the same. The quote depends on:
- How easy every part is to reach
- Working hours and out-of-hours timing
- Where the site is and how we reach it
- How many systems or sites are involved
You will not find a price list here, because each job is priced on what it involves. Call for a fixed quote, and we will talk you through it.
What to send for a quote
When you call or email, it’s useful to have:
- Where the plant sits or the system leaves the building, such as a roof or outside wall
- Problems your staff have spotted
- Where the site is and what kind of site it is
- Wide photos of the system and the area around it
Want a quote for AHU cleaning? Please phone us on 0345 646 2711 or email us and tell us about the site. We will talk you through the work and send you a fixed quote before anything is booked.
In-house cleaning or a specialist?
When your team notices a problem between visits, such as dripping grease, a noisy fan, a smell or a filter that won’t come clean, they should report it rather than try to fix it. We can diagnose it and quote.
Staff cleaning and specialist work aren’t the same thing. Wiping filters daily and washing them weekly keeps the visible parts in order, but they don’t reach the grease that builds up further in. Reaching it takes a specialist with the right equipment.