Hampshire · Air handling unit cleaning
Little Somborne AHU cleaning
Our technicians work in Little Somborne on air handling unit cleaning. Fixed quotes, work around your opening hours and photo reports on every job.
- Dirty filters cutting the airflow
- Dust built up on fan impellers
- Odours coming through the supply air
About our AHU cleaning in Little Somborne
An air handling unit is the heart of a building’s ventilation: air is pulled in, filtered, conditioned and sent out through the ducts. Anything that collects inside the unit can end up in the rooms it serves, which is why we clean the unit itself, not just the ducts. Common call-outs are for leaves and litter drawn into the unit and air handling units never cleaned inside, on supply and extract fans, dampers and louvres and drain trays.
In a village or hamlet like Little Somborne, few buildings have mechanical ventilation, 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.
- Location
- Little Somborne (SO20)
- Region
- Hampshire
- Records
- Photo report after every visit
- Quote
- Fixed quote, normally within a working day
- Hours
- Evenings, overnight and weekends; 24/7 emergencies
- Phone
- 0345 646 2711
- Page updated
- 30 October 2026

How the visit works
Night work is normal for us. Evenings, nights and weekends are when much of our work happens, so the site can open as normal afterwards. The visit itself takes a single shift for a typical unit, longer for large or heavily soiled ones. Seeing the system in photos first means the trip to Little Somborne can be planned properly.
- First the unit is surveyed, from pictures or a visit, and the scope agreed.
- 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.
- We clean out the drain tray and make sure it drains.
- We close up the unit and send the certificate and before and after photos.
Getting ready for the visit
- Plan for cooking equipment or plant to be off before we arrive
- Tell us about site rules, permits or sign-in
- Clear loose items from the work area
Getting a quote
Want a quote for AHU cleaning? Please call us on 0345 646 2711, or email photos and tell us about the site. We’ll explain what we’d do and send a fixed quote before anything is booked.
Related advice
How the job changes from site to site
Heating and cooling coils
Because cooling coils run wet, the dirt on them tends to cling. The coil and its drain tray are cleaned as one job.
Fans and fan sections
Before the fan is touched, the unit is shut down and made safe with your site team.
Multi-site and managed buildings
We regularly work with managing agents. Send the address, what’s needed and how access works, and we will send a fixed quote.
If you look after several sites, we can plan visits across the whole estate and price them together. Each site gets its own report and photos, so records stay tidy.
AHU cleaning in Little Somborne: local notes
The nearest hospital to Little Somborne is Royal Hampshire County Hospital, about 5.6 miles east. If you run a surgery, clinic or care home, your ventilation deserves the same care as a hospital’s, on a smaller scale.
Healthcare ventilation, from large hospitals like Royal Hampshire County Hospital (about 5.6 miles east) to small clinics, depends on clean filters, coils and ducts.
Little Somborne is about 6 miles west of Winchester, in Hampshire. We carry out AHU cleaning for businesses, landlords and public buildings in Little Somborne and the rest of Hampshire. Our area takes in 683 places across Hampshire, from busy centres to quieter spots. There’s also a page for Southampton, about 12 miles away.
Our technicians cover all of the SO20 postcode area for AHU cleaning and the streets around it. AHU cleaning is available to premises on Chalk Hill and Somborne Park Road and nearby roads. We also cover the places around Little Somborne: Up Somborne (1 mile east), Ashley (1 mile south), King's Somborne (2 miles south-west), Lower Slackstead (5 miles south) and Braishfield (5 miles south). Within a short drive, we also cover Winchester (6 miles east), Eastleigh (10 miles south-east), Andover (8 miles north), Totton (12 miles south), Chandler's Ford (8 miles south) and Hedge End (14 miles south-east).
Landmarks near Little Somborne
Well-known places in the area include Royal Hampshire County Hospital (5.6 miles east).
When it’s something else
To be straight with you, there are a few things this work will not fix:
- Controls and BMS settings that run the unit
- Damaged coils beyond cleaning
- The supply and extract ducts, quoted separately
If in doubt, phone us on 0345 646 2711, or email photos and we’ll say what we think.
Where we work
- Dampers and louvres
- Heating and cooling coils
- Drain trays
- Internal panels
- Filter sections
- Supply and extract fans
FAQs for Little Somborne
Can you get to a site in Little Somborne?
Yes, smaller places are covered as well as towns. The journey is planned ahead, so a few details about the route help.
Do you work overnight in Little Somborne?
Yes, we can come after you close and finish before you open. The work in Little Somborne can fit around your hours. Your opening times are the first thing we ask for.
How long does it take to clean an air handling unit?
Expect it to take a single shift for a typical unit, longer for large or heavily soiled ones. Size, layout and how dirty it is decide the rest, and the quote will give you a clear idea.
Are you insured?
Yes. We are fully insured, and the details are available on request.
Is a quote from pictures possible?
Yes, if we can see what we need. Otherwise, we book a survey at a time that suits the site, then a fixed quote.
What is TR19?
TR19® is BESA’s specification for ventilation hygiene. TR19® Grease, a standalone specification since 2019, covers grease in kitchen extract systems, while TR19® Air covers other supply and extract ductwork.
How much does AHU cleaning cost?
There’s no set price, as it depends on the job: how big it is, what state it’s in, how we reach it and the working hours. We fix the price before work begins.
What do you clean inside the unit?
We clean the filter section, heating and cooling coils, drain trays, fan and internal casing. Filters are cleaned or changed as agreed in the quote.
Keeping the system healthy
How long the results last depends on use and care. Here’s what we suggest:
- Stick to the filter change plan
- Book the next check in line with the report
- Make sure condensate is draining away
- Store the TR19 paperwork where auditors can find it
We recommend when the unit should next be inspected or cleaned, 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.
Check drain trays and condensate drains during routine maintenance. Catching a slow drain early stops standing water building up.
When to call us in Little Somborne
Whatever surrounds a building in Little Somborne, the air drawn into its AHU carries dust, pollen and debris. The intake section and first filters take the brunt, and the finer material travels on.
Signs it’s time to call us include:
- Units that have only ever had filter changes
- Plant that needs cleaning after a refit
- Condensate trays that won’t empty
- Stale or musty smells from the ventilation
Around Little Somborne, as anywhere, ventilation cleaning begins with an inspection.
Comparing quotes
- Whether VAT is included
- When the next visit should be, and why
- What hours they’ll be on site
- If the quote is a fixed price or an estimate
What staff can safely do
For ventilation and air handling systems, in-house care is mostly about checks: keeping grilles clear, noting unusual noise or smells and logging filter changes. The inside of ducts and units needs a specialist.
Day-to-day cleaning is something your team can do: wiping canopies, washing grease filters and recording it in a log. What they can’t safely do is clean inside the ductwork, the fan or the risers, which is where we come in.