West Sussex · Air handling unit cleaning
Slinfold AHU cleaning
Our technicians work in Slinfold on cleaning of air handling units, including filters, coils, drain trays, fans and internal surfaces. Fixed quotes, work around your opening hours and photo reports as standard.
- Condensate trays that will not empty
- Leaves and litter drawn into the unit
- Odours coming through the supply air
Between visits
So the system stays in good health:
- Look at the condensate drain whenever the unit is serviced
- Report musty smells from the vents right away
- Report stiff or damaged access doors
- Clear leaves and litter away from the intake
When we’ve closed the unit up, it can be restarted with your site team. Check the drain tray is emptying over the first few days to confirm water is draining away.
Don’t let leaves, litter or stored materials build up near the fresh air intake. What’s near the intake ends up in the unit.
AHU cleaning in Slinfold
Heating and cooling coils trap dust that gets past the filters. 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. We are often asked to deal with blocked condensate drains and slimy trays and dirty coils holding back the airflow, on heating and cooling coils, internal panels and supply and extract fans.
Somewhere as small as Slinfold, ducted ventilation is usually limited to a school, a care home, a surgery or a converted business building, wherever there is one, but where it’s fitted, it needs the same inspection and cleaning as anywhere.
Duct Doctor has been trading since 2009, and we’re a BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease. We also hold CHAS, SafeContractor and ISO 9001, and we carry full insurance.
- Place
- Slinfold (RH13)
- Region
- West Sussex
- Records
- Photo report after each visit
- Price
- A fixed price before work begins
- When we work
- Nights, weekends or holidays to suit you
- Phone
- 0345 646 2711
- Reviewed
- 30 October 2026
What staff can safely do
Some jobs should never be done in-house: opening up ductwork, cleaning fans, drop testing fire dampers and measuring grease call for the right kit, training and safe access. Leave those to us.
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’ll take a look and give you a fixed quote.
Nearby places to Slinfold
What else we do in Slinfold
Questions from Slinfold
Can the work in Slinfold be done at night or at weekends?
Yes, nights and weekends are routine for us. The site is handed back ready to open. Tell us your opening hours when you ask for a quote.
Do you do school ventilation cleaning in Slinfold in the summer holidays?
Yes, and it’s the easiest time to do it. Around Slinfold, the Food Standards Agency lists about 2 schools and colleges with registered kitchens within a mile and a half or so. Booking early in the term gives the best choice of holiday dates.
Where does the waste go?
It leaves the site with us at the end of the visit. While we work, it’s kept contained to keep the area clean.
Do you have a 24/7 line?
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 repair air handling units?
Motors, belts, controls and coils that need repair are a job for your maintenance contractor. We clean the unit and report anything we see that needs attention.
Do you look at the system first?
Yes. Photos often do the job, and larger or hidden systems get a visit.
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.
Do you cover Slinfold?
Yes. Slinfold is part of the area we cover, within the South East and London area we cover.
AHU cleaning around Slinfold
The FSA’s food hygiene register lists about 3 hospitals, care homes and childcare premises with registered kitchens or food service within roughly a mile and a half of the centre of Slinfold. Buildings like these often rely on mechanical ventilation, which TR19® Air covers. For Slinfold, the closest hospital is Horsham Hospital, roughly 3.5 miles east. Healthcare ventilation is a good example of why supply ducts need inspecting: the air goes straight to patients. We cover Slinfold, about 33 miles from central London, as part of our work across London and the South East. Evening, overnight and weekend visits are all possible.
If you run a surgery, dental practice or care home near Slinfold, clean ventilation matters as much to you as to a hospital like Horsham Hospital (about 3.5 miles east). If you manage a school such as Slinfold CofE Primary School, ventilation cleaning is best booked for the holidays.
Slinfold is about 4 miles west of Horsham, in West Sussex. We provide AHU cleaning for businesses, landlords and public buildings in Slinfold and the rest of West Sussex. Our area takes in 371 places across West Sussex, from busy centres to quieter spots. For sites nearby, see our Guildford page, about 14 miles away.
Here we cover the RH13 postcode area for AHU cleaning. AHU cleaning is available to premises on The Street, Park Road and West Way and the roads around them. We also cover The Haven (2 miles west), Five Oaks (2 miles south-west), Rudgwick (2 miles north-west), Bucks Green (3 miles north-west) and Tisman's Common (3 miles north-west). We also work in nearby towns such as Crawley (10 miles east), Horsham (4 miles east), Haywards Heath (14 miles east), Burgess Hill (14 miles south-east), Broadfield (9 miles east) and Storrington (10 miles south).
Landmarks near Slinfold
Typical jobs here are in premises near Farlington Strood Park and Tanbridge House School. Slinfold’s nearest station is Christs Hospital station, about 2.2 miles south-east. Other landmarks nearby include Horsham Hospital (3.5 miles east) and Christs Hospital School Museum (2.5 miles south-east). Not far away are Warnham LNR.
Leave it or put it right?
When the unit is clean, less dirt reaches the ducts, so the ducts and grilles stay cleaner between cleans. That makes the next inspection of a building in Slinfold simpler. In a small place like Slinfold, a system that fails can take a site out of use.
You won’t 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.
Why Slinfold businesses choose us
- Work around your opening hours, with 24/7 emergency cover
- Fixed quotes, normally within one working day
- A single point of contact for sites across the South East and London
- Survey first, then a fixed quote
Take a look at our cost guide or how to check a contractor.
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.
We also work for facilities teams across offices, schools and healthcare across West Sussex. Larger estates can be phased building by building around the people who use them.
What a clean won’t put right
It’s worth knowing the limits before booking:
- Coils that are corroded or leaking and need replacing
- Faulty motors, drives or bearings
- Building management system faults
If you’re not sure, just call 0345 646 2711 or drop us a line and we will give you a straight answer.
What the work covers
- Supply and extract fans
- Internal panels
- Filter sections
- Dampers and louvres
- Heating and cooling coils
- Drain trays
How the visit works
When we arrive, we check the system against the survey or the pictures you sent. Anything unexpected is raised with you before we go further. After that, the work takes half a day to a full day per unit, with large plant planned over several shifts. The timing of a visit to Slinfold is set by you, and the travel is our side of the planning.
- First the unit is surveyed, from photos or a visit, and the scope agreed.
- We arrange the shutdown with your staff and sheet the area.
- 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.
- You get a TR19® certificate and a photo report.
Before we arrive
- Let us know about parking and loading
- Clear loose items from the work area
- Let us know how we reach the system, including roofs, risers and plant rooms
Get a fixed quote
If you need AHU cleaning in Slinfold, give us a ring on 0345 646 2711 or email us. Tell us what kind of premises it is and when it’s open, and send photos or your last report if you can. We normally send a fixed quote within one working day.
Related advice
What affects the cost of AHU cleaning
A fixed price needs a few facts first. We check:
- Whether several sites go on one quote
- The condition of the system
- Any permits to work or inductions
- How easy every part is to reach
Putting the work off seldom saves money. Problems in a system tend to grow, and a neglected system can mean more work. If you’re not sure what’s needed, call us on 0345 646 2711, or email photos for straight advice and a fixed quote.
What to send for a quote
Before you ask for a quote, gather:
- The postcode and the type of business
- Any symptoms, from odd noises to smells or leaks
- Your last certificate, test record or report
- Your opening hours and when the area is out of use
Here’s what helps us quote: where the site is, what it is and its opening hours, photos of the system and the last certificate or report, if there is one. Once you have those, call us on 0345 646 2711 or send us an email.