Hampshire · Air handling unit cleaning
Woodend AHU cleaning
Specialist AHU cleaning for Woodend: a survey, a fixed price, careful work and proper paperwork. Call for a fixed quote.
- Stale or musty smells from the ventilation
- Units that have only ever had filter changes
- Dust built up on fan impellers
Questions from Woodend
Do you work overnight in Woodend?
Yes, evening, overnight and weekend work is normal for us. The work in Woodend can fit around your hours. Tell us your opening hours when you ask for a quote.
Can ventilation in schools around Woodend be cleaned out of term?
Yes, out-of-term visits are normal for schools. There are about 2 schools, colleges and universities on the FSA’s food hygiene register within about 1.5 miles of Woodend. Booking early in the term gives the best choice of holiday dates.
Can you look after several sites?
Yes. We work across South East England and London, so we can schedule a run of sites as one programme. Every site has its own report.
Does the AHU have to be shut down for cleaning?
Yes, for the time we are working on it. We can work evenings, overnight or at weekends to keep disruption down.
Can we book visits on a schedule?
Yes. Scheduled maintenance plans are part of what we do, set at the interval the system needs. Each report recommends when the next visit should be.
What do you do with what you remove?
Anything we remove is contained as we work and taken away with us, from grease and debris to used cleaning water. We don’t leave it behind.
How often should an air handling unit be cleaned?
It depends on the unit, the filters and how the building is used. Inspection tells you when cleaning is needed, and the report recommends a next date.
Are you accredited?
Duct Doctor is a BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease. CHAS, SafeContractor and ISO 9001 are in place too, and we are fully insured.
AHU cleaning in Woodend
Where a building in Woodend has had little more than filter changes, there may be dirt on the coils, fan and casing that nobody has looked at. A full clean deals with all of it. The work covers heating and cooling coils, internal panels and filter sections, and the jobs we see most are units needing a clean before a new tenant or handover and filters that are clogged or overdue.
Somewhere as small as Woodend, ducted ventilation is normally 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.
A written report with pictures follows each visit, so there’s a dated record of the work. Kitchen extract cleaning to TR19® Grease is certificated through the BESCA Vent Hygiene Elite portal.

- Where
- Woodend (PO17)
- Region
- Hampshire
- Records
- Photo report after each visit
- Quote
- A fixed quote up front
- Working hours
- Out of hours as standard, 24/7 emergency line
- Call
- 0345 646 2711
- Checked
- 30 October 2026
Nearby places to Woodend
What else we do in Woodend
Fixed quotes for AHU cleaning in Woodend
Before we fix a price, we need to know a few things. We check:
- The condition we find in the survey
- Site requirements such as sign-in and permits
- The number of sites or systems
- When the work can happen, such as evenings, overnight or weekends
What you pay depends on the size of the system, the condition it’s in and how easy it is to reach. We give you a fixed price before any work starts, so there are no surprises.
What we need to know
Many jobs can be priced from photos and some basics. Send what you can of the following:
- Detail shots of panels, filters and grilles
- Anything you’ve noticed, such as smells, noise, drips or poor airflow
- The site address and the type of premises
- How we’d reach plant on a roof or in a plant room
We don’t publish a price list, because every site is different. Instead, we look at your site first, from pictures or a survey, and then give you a fixed quote. To start, give us a ring on 0345 646 2711 or email us.
Looking after it afterwards
Good habits slow the build-up between visits. A few tips:
- Store the TR19 paperwork where auditors can find it
- Do not store bins or materials near the intake
- Check the drain tray is emptying during routine visits
- Watch for drips or damp patches near the plant
Restart the unit with your site team or maintenance contractor once we have finished. Check the drain tray is emptying over the first few days to confirm water is draining away.
Make sure access doors and panels on the unit open easily. Sections that are awkward to open are the ones that get skipped.
Signs you need AHU cleaning in Woodend
Filters catch most of the dust, but not all of it. What gets through settles on coils, fans and the inside of the casing, building up layer by layer.
Keep an eye out for any of the following:
- Filters that are clogged or overdue
- Intake sections clogged with outdoor debris
- Coils clogged with dust and debris
- Odours coming through the supply air
Healthcare ventilation, from large hospitals like Knowle Hospital (about 3.5 miles south-west) to small clinics, depends on clean filters, coils and ducts.
What to look for in a quote
- Whether they recommend a next date
- Whether the price is fixed
- When they can work, and whether that is outside your opening hours
- What insurance they carry
How the job changes from site to site
Filters
Filter condition tells you a lot about the rest of the unit. They’re photographed before and after for your records.
Heating and cooling coils
Coil fins are close together and catch the dust the filters miss. They’re cleaned using methods that won’t bend or flatten the fins.
Managing agents and facilities teams in Woodend
Where a tenant occupies the premises but the landlord owns the building, it’s worth checking the lease for who maintains the systems. We are happy to deal with either side and send the paperwork to whoever needs it.
Whether it’s one building or many, the standard is the same: diagnosis, a fixed price, work booked around your hours and a written report with pictures.
How it works
Every visit runs to the same pattern: protect the area, isolate whatever needs isolating, do the work, tidy up and hand over the paperwork. On site, the work takes from a few hours for a compact unit to a day or more for a large one. Somewhere like Woodend, lanes, gates and parking are worth mentioning in advance.
- We survey the unit from pictures or on site and agree what’s included.
- The unit is shut down with your site team and the area protected.
- Filters are dealt with as agreed, and the coils, fan and casing cleaned.
- Drain trays are cleared and cleaned and the outlet checked.
- A TR19® certificate and photo report follow the clean.
Before we arrive
- Make sure someone can let us in and lock up afterwards
- Agree a time when the area can be out of use
- Clear loose items from the work area
Getting a quote
Every quote begins with a look at the system, either from pictures and details you send or from a site visit. After that, you get a fixed price for the work, before any work starts.
Related advice
In-house cleaning or a specialist?
In-house cleaning and specialist cleaning do different jobs. Wiping filters daily and washing them weekly keeps the visible parts in order, but grease that has passed the filters is out of reach. Reaching it takes a specialist with the right equipment.
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.
Woodend buildings and their air
Woodend’s nearest hospital, Knowle Hospital, is about 3.5 miles south-west. If you run a surgery, clinic or care home, your ventilation deserves the same care as a hospital’s, on a smaller scale.
School buildings such as Swanmore College of Technology are normally done in the holidays, so classrooms aren’t disturbed.
Woodend is about 5 miles north of Fareham, in Hampshire. Anywhere in PO17, we can take on AHU cleaning. We cover 683 places across Hampshire, from busy centres to quieter spots. Portsmouth is in our area too, around 8 miles away.
Postcode districts we cover here for AHU cleaning: PO17. Nearby, we also carry out AHU cleaning in Kingsmead (1 mile west), Soberton Heath (1 mile east), Mislingford (1 mile north-west), Newtown (1 mile south-east) and Southend (1 mile east). Further out, we also cover Winchester (12 miles north-west), Gosport (8 miles south), Havant (8 miles south-east), Eastleigh (9 miles west), Fareham (5 miles south) and Horndean (6 miles east).
Local landmarks in Woodend
Around Woodend, our work takes us to kitchens and buildings near The Bold Forester Public House, among other places. The nearest railway station is Botley station, about 4.6 miles west. Nearby you will also find Bishop's Waltham Museum (3.6 miles north-west) and Knowle Hospital (3.5 miles south-west). Green spaces nearby include St Clair's Meadow and Portsdown Hill.