West Sussex · Air handling unit cleaning
Washington AHU cleaning
One call covers air handling unit cleaning in Washington, from survey to sign-off. Fully insured, with CHAS, SafeContractor and ISO 9001.
- Plant that has been serviced but not cleaned
- Dust built up on fan impellers
- Stale or musty smells from the ventilation
Part by part
Drain trays
Older trays can corrode and start leaking. We record their condition with pictures so you can decide on any repairs.
Internal casing and panels
Access doors and panels are opened in turn and closed properly afterwards, and check every one is shut.
How we handle AHU cleaning in Washington
Units vary a lot in size, age and layout, whether it’s a compact unit in a ceiling void or a big unit on the roof. Every job starts with a survey, from pictures or on site, followed by a fixed quote before any cleaning starts. The work covers heating and cooling coils, filter sections and internal panels, and common reasons people get in touch are dirty fans and fan housings and units needing a clean before a new tenant or handover.
In rural areas, ventilation units are often in roof voids or outbuildings, which makes them easy to overlook.
The paperwork matters as much as the work. You get a written report with pictures after every 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 to hand when an insurer or inspector asks.
- Where
- Washington (RH20)
- Region
- West Sussex
- Paperwork
- Photo report after every visit
- Quote
- A fixed quote up front
- Hours
- Nights, weekends or holidays to suit you
- Phone
- 0345 646 2711
- Reviewed
- 30 October 2026
Washington questions
Can the work in Washington be done at night or at weekends?
Yes, out-of-hours work is a big part of what we do. The work in Washington can fit around your hours. When you phone us on 0345 646 2711 or send us an email, mention when the site is quiet.
Can you clean school ventilation in Washington during the holidays?
Yes, holiday work suits schools best. Around Washington, the Food Standards Agency lists about 2 schools and colleges with registered kitchens within a mile and a half or so. Just call us on 0345 646 2711 or use the quote form with your term dates and we will plan around them.
How long does it take to clean an air handling unit?
As a guide, it takes half a day to a full day per unit, with large plant planned over several shifts. The shutdown is planned to fit, out of hours if needed.
Can you fix a faulty AHU?
We clean the unit and flag faults rather than repair them, with pictures where it helps.
Do you need to switch the unit off?
Yes, while the clean is under way. Out-of-hours work is available so the building is not left without ventilation when it’s busy.
How often do AHUs need cleaning?
Under TR19® Air, cleaning is led by inspection and risk rather than a set calendar. Each report suggests when the unit should next be looked at.
What do you do with what you remove?
It leaves the site with us at the end of the visit. While we work, it’s kept contained so the area stays clean.
Do you look at the system first?
Yes, always. We diagnose before we treat: the survey shows what needs doing and what access we need and the fixed quote is built on it.
Keeping the system healthy
Simple habits between visits make a real difference. We recommend:
- Make sure the unit’s access doors open easily
- Diary the inspection date recommended in the report
- Do not ignore odours coming through the grilles
- Keep filter changes on time and recorded
Keep filter changes on schedule between cleans, as that does more than anything to keep the unit clean. Record each change in the maintenance log.
Make sure access doors and panels on the unit open easily. If a section is hard to get into, it tends not to get checked.
What affects the cost of AHU cleaning
We quote each job individually. These are the things that affect it:
- The number of sites or systems
- Travel, parking and unloading
- When the work can happen, such as evenings, overnight or weekends
- One-off work versus a regular cycle
Several systems or sites on one quote often makes better use of the time. Tell us about everything you’d like looked at and we’ll price it together.
What to send for a quote
Photos let us diagnose from a distance. Try to include:
- Problems your staff have spotted
- Detail shots of panels, filters and grilles
- The postcode and the type of business
- A few general shots of the system
For AHU cleaning in Washington, phone us on 0345 646 2711 or drop us a line. Let us know the site type and the opening hours, plus photos or the previous report if they’re to hand. We typically send a fixed quote within one working day.
Also near Washington
Also in Washington
What AHU cleaning looks like in Washington
We cover Washington, about 43 miles from central London, as part of our work across London and the South East. The visit is fixed around your opening hours, not ours.
Ventilation work in and around Washington is risk-based: inspect, then clean what needs it. Wherever a school like St Mary's CofE Primary School has ducted ventilation, a half-term visit keeps the work out of lesson time.
Washington is about 6 miles north of Worthing, in West Sussex. Washington gets the same approach as every site we work on: diagnosis first, a fixed price, out-of-hours working where needed and a written report with photos. Washington is one of 371 places in West Sussex where we work for AHU cleaning. Our Brighton page covers sites nearby (13 miles or so).
Every address in RH20 is within our area for AHU cleaning, from busy streets to back roads. You’ll find streets such as London Road, The Street and Chanctonbury Close, and we cover them all for AHU cleaning. Other places close to Washington include Rock (1 mile north), Sullington (1 mile west), Heath Common (2 miles north-west), Storrington (2 miles north-west) and Warminghurst (2 miles north). Larger places within reach include Horsham (12 miles north), Worthing (6 miles south), Bognor Regis (15 miles south-west), Haywards Heath (15 miles north-east), Burgess Hill (13 miles east) and Littlehampton (8 miles south-west).
Around Washington
We work in commercial kitchens and buildings around Rydon Community College, Windlesham House School and The Frankland Arms Public House and the streets around them. Other landmarks nearby include The Storrington And District Museum (2 miles north-west). The countryside around Washington includes Chanctonbury Hill.
Why it’s worth doing now in Washington
If people in a building in Washington complain about stuffy or smelly air, the AHU is worth looking at. A clean tackles the source instead of masking it. Somewhere as small as Washington, losing a kitchen or building to a fault is felt by everyone who uses it.
The cost depends on the size of the system, what state it’s in and access to every part of it. You get a fixed price before any work starts, so you know where you stand.
Why Washington businesses choose us
- Photo reports with every job
- Trading since 2009
- Work around your opening hours, with 24/7 emergency cover
- A single point of contact for sites across the South East and London
Read what affects the cost and our accreditations and certificates.
What staff can safely do
If your staff spot something between visits, such as dripping grease, a noisy fan, a smell or a filter that will not come clean, it’s best reported rather than tackled in-house. We will take a look and give you a fixed quote.
Your own staff can handle the daily basics: wiping canopies, washing grease filters and recording it in a log. Inside the ducts, risers and fan is specialist work, which is where we come in.
How the visit works
Before we leave, we walk the area with whoever is on site. Anything we couldn’t reach or that needs attention is pointed out there and then, and it goes on the report too. The visit takes one overnight shift for many single units, with bigger plant phased. If you can send photos, we can arrive in Washington knowing what to expect.
- We start with a survey of the unit and a fixed quote for the work.
- The unit is shut down with your site team and the area 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.
- You get a TR19® certificate and a photo report.
Getting ready for the visit
- Mention any locked doors, roof access or ceiling voids
- Make sure equipment near the work can be switched off and left to cool
- Mention any parking or loading restrictions
Get a fixed quote
Every quote begins with a look at the system, either from photos and details you send or from a site visit. Then we send a fixed price, before any work starts.
Advice
For landlords and multi-site operators
The Fire Safety Order 2005 puts the duty to manage fire risk on the responsible person, which may be the employer, owner, landlord, FM or managing agent. With shared responsibility, good records help everyone.
Keeping records across a portfolio is half the battle. Each visit produces a dated report with pictures, so you can show an insurer or inspector what was done at each site.