West Sussex · Air handling unit cleaning
Wivelsfield AHU cleaning
AHU cleaning for Wivelsfield, from a team that has been trading since 2009. Out-of-hours visits and 24/7 emergency callout.
- Blocked condensate drains and slimy trays
- Air handling units never cleaned inside
- Stale or musty smells from the ventilation
Landlords, agents and facilities managers
Managing agents often deal with us directly. Send the address, what’s needed and how access works, and we will send a fixed quote.
Where a tenant occupies the premises but the landlord owns the building, it’s worth checking the lease for who maintains the systems. We can quote either party and send the paperwork to whoever needs it.
AHU cleaning in Wivelsfield
Coils are where a lot of the dirt ends up. Dirt on the fins holds back air and makes the unit work harder to do the same job. We clean coils with methods suited to their condition, taking care not to damage the fins. If you are dealing with dirty fans and fan housings and intake sections clogged with outdoor debris, we can help.
Somewhere as small as Wivelsfield, ducted ventilation is normally limited to a school, a care home, a surgery or a converted business building, wherever there is one, but those that do need it inspected and cleaned like any other.
We’ve been trading since 2009, as a BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease. We also hold CHAS, SafeContractor and ISO 9001, and we carry full insurance.
- Location
- Wivelsfield (RH17)
- Wider area
- West Sussex
- Reporting
- Report and photos after the visit
- Quotes
- Fixed quote, normally within a working day
- When we work
- Nights, weekends or holidays to suit you
- Phone
- 0345 646 2711
- Page updated
- 30 October 2026
Aftercare tips
Think of this as the after-treatment advice, in brief:
- Clear leaves and litter away from the intake
- Look at the condensate drain whenever the unit is serviced
- Change filters on schedule and log each change
- Note any water around the unit or leaks below it
The report suggests a date for the next inspection or clean, taking into account how dirty it was. TR19® Air is risk-based, so the interval depends on the unit and how the building is used.
Do not let leaves, litter or stored materials build up near the fresh air intake. What’s near the intake ends up in the unit.
Ventilation in Wivelsfield buildings
Food Standards Agency records list about 5 care, childcare and hospital premises registered as food businesses within roughly a mile and a half of the centre of Wivelsfield. Busy, occupied buildings like these are where clean supply air matters most. Wivelsfield is about 37 miles from central London, well within the area we cover across London and the South East. We work evenings, overnight and at weekends, so the visit fits around the site. About 1.6 miles north of Wivelsfield is St Francis Hospital, the nearest hospital. Hospitals show how much a building can rely on its ventilation, and smaller healthcare sites rely on theirs too.
If you manage a school such as Wivelsfield Primary School, ventilation cleaning is best booked for the holidays.
Wivelsfield is about 2 miles east of Burgess Hill, in West Sussex. Whether your site is in the middle of Wivelsfield or further out, we cover AHU cleaning for every kind of premises, from a single unit to a large public building. Wivelsfield is one of 371 towns, villages and districts in West Sussex where we work for commercial clients. Brighton is in our area too, about 9 miles from Wivelsfield.
We work across the RH17 postcode area for AHU cleaning and the streets around it. If you need AHU cleaning at premises on Blackmores, Ditchling Road and Green Road or anywhere close by, we can help. Other places close to Wivelsfield include Wivelsfield Green (1 mile east), Ditchling Common (1 mile south), Haywards Heath (2 miles north), Scaynes Hill (2 miles north-east) and Plumpton Green (3 miles south-east). Within a short drive, we also cover Crawley (11 miles north-west), Horsham (12 miles north-west), East Grinstead (12 miles north), Shoreham-by-Sea (12 miles south-west), Lancing (14 miles south-west) and Broadfield (10 miles north-west).
Near you in Wivelsfield
Locally, jobs take us to businesses close to The Burgess Hill Academy and Royal Oak pub and the streets around them. The nearest railway station is Wivelsfield station, about 1.4 miles west of the centre. A little further out are St Francis Hospital (1.6 miles north) and Burgess Hill Museum (1.9 miles south-west). Green spaces nearby include Bedelands Farm Nature Reserve and Ditchling Beacon.
In-house cleaning or a specialist?
Logging matters as much as cleaning. A simple log of filter washes, wipe-downs and checks helps show that the system is managed between specialist visits, alongside our reports.
Day-to-day cleaning is something your team can do: wiping canopies, washing grease filters and recording it in a log. What they cannot safely do is clean inside the ductwork, the fan or the risers, and that is where we come in.
Places near Wivelsfield
More services for Wivelsfield
The process
Before we leave, we walk the area with whoever is on site. We point out anything that couldn’t be reached or needs a follow-up, and it goes on the report too. The visit takes one overnight shift for many single units, with bigger plant phased. Rural roads and tight entrances are worth telling us about before a visit to Wivelsfield.
- First we agree when the unit can be switched off, including evenings or weekends.
- Before cleaning, each section is photographed.
- Filters, coils and internal surfaces are cleaned from intake to discharge.
- The fan and drain tray are cleaned and the drain checked.
- After pictures are taken and the certificate issued.
Getting ready for the visit
- Find the previous report, if there is one
- Plan for cooking equipment or plant to be off before we arrive
- Let us know about permits to work or site inductions
Ask for a quote
Photos are enough for some jobs, while others need a look on site. Larger sites, and anything hidden behind walls, ceilings or floors, are normally surveyed first. Either way, the quote is fixed before any work is booked.
Read more
Different parts, different methods
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.
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.
What happens if it’s left?
When the unit is clean, less dirt reaches the ducts, so the whole system stays cleaner for longer. That makes the next inspection of a building in Wivelsfield simpler. If the system at a site near Wivelsfield fails, there may be nowhere nearby to move to.
One small site or a whole estate, we price it on the same basis: what needs doing, how we get to it and when. The price is fixed before work begins.
Why book with us
- Full insurance on every job
- Evenings, overnight and weekends, plus 24/7 emergency callout
- Fixed quotes, typically within one working day
- A written report with photos after each visit
See how cleaning jobs are priced or how to check a contractor.
Questions from Wivelsfield
Do you offer AHU cleaning in Wivelsfield?
Yes, Wivelsfield is within the area we cover across London and the South East. You can give us a ring on 0345 646 2711, or send details by email and let us know what needs doing.
Do you work at weekends in Wivelsfield?
Yes, out-of-hours work is a big part of what we do. That way a site in Wivelsfield does not have to lose a day’s trading. When you phone us on 0345 646 2711 or drop us a line, mention when the site is quiet.
Can you come out in an emergency?
Yes, day and night, every day of the year. Our office is open from 8am to 6pm on weekdays, with the emergency line covering every other hour.
When should our AHU next be cleaned?
That is set by inspection, in line with TR19® Air. Units in heavy use or in sensitive buildings may need attention more often.
Do you look at the system first?
Yes. Every job is surveyed first, from your pictures and details, or with a visit where necessary. A fixed quote follows.
How long will the unit be out of action?
It takes a single shift for a typical unit, longer for large or heavily soiled ones. The unit’s size and condition make the biggest difference, and the quote will give you a clear idea.
Does the AHU have to be shut down for cleaning?
Yes. Cleaning needs the unit off and isolated, and we time the work to suit the site.
What information do you need?
Only a few details: the address, the site type, your opening hours and how we reach the system. Photos and the last report help too. Then call 0345 646 2711 or drop us a line.
What we’re called out for in Wivelsfield
Air handling units are normally tucked away on roofs, in plant rooms or above ceilings and are rarely seen by anyone but maintenance staff. It’s easy for a long time to go by without anyone opening the panels.
If you notice any of these, it’s worth a diagnosis:
- Debris and leaves in the fresh air intake
- Filters that are clogged or overdue
- Drain trays holding standing water
- Air handling units due a clean after building work
Hospitals such as St Francis Hospital (about 1.6 miles north) show how much a building can rely on clean ventilation, and smaller healthcare sites near Wivelsfield are no different.
What to look for in a quote
- Whether they recommend a next date
- Whether the work can be done while the site is closed
- Whether a survey comes first
- What happens if part of the system can’t be accessed