West Sussex · Air handling unit cleaning

AHU Cleaning in Hoyle

AHU cleaning in Hoyle, surveyed first and signed off with a written report and photos. Call for a fixed quote.

  • Blocked condensate drains and slimy trays
  • Units needing a clean before a new tenant or handover
  • Fan sections that haven’t been cleaned in years

AHU cleaning in Hoyle

AHU cleaning in Hoyle

An air handling unit is the heart of a building’s ventilation: air is pulled in, filtered, conditioned and sent out through the ducts. Whatever builds up inside it travels with that air, so cleaning the unit matters as much as cleaning the ducts. The work covers dampers and louvres, filter sections and internal panels, and the jobs we see most are stale or musty smells from the ventilation and dirty filters cutting the airflow.

In rural areas, ventilation units are often in roof voids or outbuildings, where filters and drain trays get forgotten.

We’ve been trading since 2009, and we’re a BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease. CHAS, SafeContractor and ISO 9001 are in place too, and we carry full insurance.

Five Duct Doctor technicians in navy uniforms with the company vans
Place
Hoyle (GU29)
Region
West Sussex
Records
Written report with pictures
Quotes
A fixed price before any work starts
When we work
After hours by arrangement; emergencies any time
Telephone
0345 646 2711
Last updated
30 October 2026

What happens if it’s left?

Tenants, auditors and owners may want proof that the air handling plant is kept clean. Our certificate and photo report give you clear evidence, for audits, tenants or your own peace of mind. Planning a trip to Hoyle ahead is easier for everyone than a rushed one.

What you pay reflects the actual work. That is why we survey first, from photos or on site, and the price is agreed before work begins.

Why book with us

  • Photo reports with every job
  • One number for every site across the South East and London
  • Out-of-hours work and a 24/7 emergency line
  • We diagnose before we treat

Take a look at our cost guide or our accreditations.

Keeping the system healthy

To keep the system working properly between visits:

  • Watch for drips or damp patches near the plant
  • Check the drain tray is emptying during routine visits
  • Keep the certificate and photo report with the plant records
  • Report stiff or damaged access doors

We recommend when the unit should next be inspected or cleaned, taking into account how dirty it was. Under TR19® Air the timing is set by inspection and risk, not a fixed calendar.

Keep the unit’s doors and panels in working order. If a section is hard to get into, it tends not to get checked.

What AHU cleaning cannot fix

AHU cleaning can’t fix everything, and we will tell you before any work starts. It doesn’t solve:

  • Mechanical faults with motors, belts or bearings
  • Ventilation that was badly designed in the first place
  • Ductwork downstream of the unit, which is a separate clean

If you’re not sure, just give us a ring on 0345 646 2711, or email photos and we’ll give you a straight answer.

What we work on in Hoyle

  • Supply and extract fans
  • Filter sections
  • Dampers and louvres
  • Drain trays
  • Heating and cooling coils
  • Internal panels

What we’re called out for in Hoyle

An AHU’s intake draws in outdoor air and everything in it: dust, pollen, leaves and debris. Most of it lands at the intake and the first stage of filters, and some travels further into the unit.

What we are most often called out for:

  • Drain trays holding standing water
  • Air handling units with blocked filters
  • Units needing a clean before a new tenant or handover
  • Dirty coils holding back the airflow

Healthcare buildings such as Midhurst Community Hospital, about 2.6 miles north-west, depend on their ventilation; if you manage a surgery, clinic or care home near Hoyle, yours matters too.

Questions to ask before booking

  • What hours they’ll be on site
  • Which accreditations they hold, and whether you can check them
  • If they look at the system before pricing
  • Whether they recommend a next date

Our hiring checklist

What we do, step by step

The first job on site is protection: floors, worktops and anything near the work are covered. Then we make the system safe and start. The work on site takes anything from half a day for one small unit to several shifts for a plant room full of them, and the area is cleaned down before we leave. Somewhere like Hoyle, lanes, gates and parking are worth mentioning in advance.

  1. First the unit is surveyed, from pictures or a visit, and the scope agreed.
  2. We arrange the shutdown with your staff and sheet the area.
  3. We clean or change the filters as agreed, then clean the coils, fan and internal panels.
  4. We clean out the drain tray and make sure it drains.
  5. We close up the unit and send the certificate and before and after photos.

Before we arrive

  • Make sure equipment near the work can be switched off and left to cool
  • Clear loose items from the work area
  • Mention any sign-in, permit or induction we need

How to get a quote

Photos are the quickest way to a quote: the system from a couple of angles, plus any access panels or hatches. Add the site type and your opening hours, and many jobs can be priced from that alone.

Get a quick quote

Advice

Different parts, different methods

Rooftop and plant room units

Units outside are exposed to weather and windblown debris. The intake section gets particular attention.

Internal casing and panels

Dust settles on every internal surface of the unit. We clean each section from intake to discharge.

Common questions in Hoyle

Do you cover smaller places like Hoyle?

Yes, smaller places are covered as well as towns. Let us know about access, parking and anything unusual about getting there when you book.

Do you work overnight in Hoyle?

Yes, we can come after you close and finish before you open. That way a site in Hoyle does not have to lose a day’s trading. Let us know the hours you are closed and we’ll book within them.

Is there a report after cleaning?

Yes. You get a TR19® certificate plus before and after pictures. Keep them in the maintenance log.

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 talk you through the next steps.

Can you quote from pictures?

Often, yes. Photos of the system and the access, plus your opening hours and last report, are often enough. Larger or hidden systems need a survey on site first.

Do you do ventilation duct cleaning too?

Yes. Ventilation ductwork cleaning to TR19® Air is part of what we do. Cleaning the unit and ducts together often makes sense, and we can survey both on the same visit.

Can you set up regular visits?

Yes. We run scheduled maintenance contracts, with visits at the interval your system needs. The report from each visit recommends the next date.

What do you need from me for a quote?

Only a few details: where it is, what kind of site, when it’s open and the access. Photos and the last report help too. Then give us a ring on 0345 646 2711 or send us an email.

Landlords, agents and facilities managers

Facilities teams in offices, schools and healthcare sites book us too in Hoyle and across West Sussex. Work can be phased by floor, building or site around the people who use them.

When the building owner and the occupier are different, the lease normally sets out who maintains what. We’re happy to deal with either side and send the paperwork to whoever needs it.

Hoyle buildings and their air

Hoyle’s nearest hospital, Midhurst Community Hospital, is about 2.6 miles north-west. Clean air matters most where people are unwell, and that is as true in a care home as in a hospital. About 46 miles out from central London, Hoyle is part of the South East area we work across. Visits are booked around your hours, evenings and weekends included.

For schools like Midhurst Rother College, the holidays are the usual time to inspect and clean ventilation.

Hoyle is about 9 miles north of Chichester, in West Sussex. We provide AHU cleaning for commercial premises of every kind in Hoyle and the rest of West Sussex. We cover 371 places across West Sussex, large and small. For sites nearby, see our Portsmouth page (19 miles or so).

Postcode districts we cover here for AHU cleaning: GU29. Neighbouring places we cover for AHU cleaning include Heyshott (1 mile south-west), Heyshott Green (1 mile west), Cocking Causeway (2 miles north-west), West Lavington (2 miles north-west) and Cocking (2 miles west). We also work in nearby towns such as Bognor Regis (12 miles south), Chichester (9 miles south), Littlehampton (13 miles south-east), Emsworth (12 miles south-west), Rustington (13 miles south-east) and Storrington (12 miles east).

Around Hoyle

Around Hoyle, our work takes us to kitchens and buildings near Unicorn Inn, among other places. Well-known places in the area include Midhurst Community Hospital (2.6 miles north-west) and Lodsworth Castle (2.3 miles north-east). Not far away are Levin Down and Graffham Common.

Map of Hoyle © OpenStreetMap contributors
BESCA Vent Hygiene EliteMember, cleaning to BESA TR19® Grease
CHAS · SafeContractorISO 9001 and fully insured
Certificate and photo reportWith every clean
24/7 emergency calloutEvenings, nights and weekends
Since 2009South East England and London