Oxfordshire · Air handling unit cleaning
Air handling unit cleaning in Cogges, Oxfordshire
AHU cleaning in Cogges, surveyed first and signed off with a written report and photos. Call for a fixed quote.
- Air handling units with blocked filters
- Debris and leaves in the fresh air intake
- Units needing a clean before a new tenant or handover
What a clean won’t put right
It’s worth knowing the limits before booking:
- Ductwork downstream of the unit, which is a separate clean
- Controls and BMS settings that run the unit
- Damaged coils beyond cleaning
Not sure which it is? You can call 0345 646 2711, or send details by email and we’ll tell you honestly before booking.
What the work covers
- Heating and cooling coils
- Dampers and louvres
- Internal panels
- Supply and extract fans
- Filter sections
- Drain trays
AHU cleaning for kitchens and businesses in Cogges
Drain trays under cooling coils are meant to empty. When the drain blocks, water sits there and the tray turns slimy, right in the path of the air going into the building. Cleaning and clearing it is a key part of the job. The work covers filter sections, dampers and louvres and drain trays, and the jobs we see most are leaves and litter drawn into the unit and air handling units due a clean after building work.
Around a place like Cogges, ventilation systems tend to be in schools, surgeries, care homes and workplaces. Even a small system collects dust in its ducts and filters.
It’s worth checking any contractor’s accreditations. We’re a BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease, and we hold CHAS, SafeContractor and ISO 9001, with full insurance on top.
- Where
- Cogges (OX28, OX29)
- Region
- Oxfordshire
- Reporting
- Written report with pictures
- Price
- Fixed quote, typically within a working day
- When we work
- When your site is closed, plus a 24/7 line
- Call
- 0345 646 2711
- Reviewed
- 30 October 2026

What your team can do, and what needs us
A few tasks are always specialist work: opening up ductwork, cleaning fans, drop testing fire dampers and measuring grease need training, the right equipment and safe access. That’s our job.
Logging matters as much as cleaning. A dated log of in-house cleaning and checks shows an inspector that the system is looked after between visits, next to our reports.
For landlords and multi-site operators
Running several sites is easier with one contractor. We cover South East England and London, so visits at different addresses can be planned together and kept to a regular schedule.
Under the Regulatory Reform (Fire Safety) Order 2005, the responsible person must assess and reduce fire risk, which may be the employer, owner, landlord, FM or managing agent. With shared responsibility, good records help everyone.
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. It’s easy to lose track of when the work was last done on a quieter site.
No two sites are the same, so we price each one individually. Size, access, the condition of the system and when we can work all make a difference.
Why Cogges businesses choose us
- Fixed quotes from a survey or photos
- Member of BESCA Vent Hygiene Elite, cleaning to BESA TR19® Grease
- CHAS and SafeContractor accredited, with ISO 9001
- Ventilation hygiene specialists since 2009
Also near Cogges
More services for Cogges
Different parts, different methods
Internal casing and panels
Dust settles on every internal surface of the unit. We clean each section from intake to discharge.
Fans and fan sections
Dust on a fan impeller adds weight and wear. Cleaning keeps it running as intended.
Cogges questions
Do you work in villages like Cogges?
Yes, Cogges is part of our area, however small the site. Let us know about access, parking and anything unusual about getting there when you book.
Can the work in Cogges be done at night or at weekends?
Yes. We work evenings, overnight and at weekends. Your customers, staff or residents in Cogges needn’t be disturbed. Just call 0345 646 2711 or email us with your opening times and we’ll plan around them.
Will you repair the fan or motor?
AHU cleaning is what we offer here, not mechanical repairs. Any faults we notice are recorded so your maintenance contractor can deal with it.
Do you have a 24/7 line?
Yes. There’s a 24/7 emergency line for anything that cannot wait until a planned visit. Ring any time and tell us what’s happened.
How do you keep the site clean during the work?
By covering it before any work starts. We keep the work contained and clean down when we finish.
Does the AHU have to be shut down for cleaning?
Yes, for the time we are working on it. Out-of-hours work is available so the building isn’t left without ventilation when it’s busy.
Do you give a certificate after the clean?
Yes, both a certificate and a report with photos. The report also suggests when the unit should next be inspected.
What happens to the waste?
We contain it and take it with us. We collect grease, debris and waste water as we go, so it does not spread.
What happens on the day
On the day, we arrive at the time agreed with you, often in the evening, overnight or at the weekend so the site keeps working. Equipment that has to be off is switched off and allowed to cool before any work starts, and floors and nearby surfaces are sheeted. The work itself takes anything from half a day for one small unit to several shifts for a plant room full of them. A site near Cogges usually has room to park, so the questions are about access to the system and your hours.
- First we agree when the unit can be switched off, including evenings or weekends.
- Before cleaning, each section is photographed.
- Filters, coils and internal surfaces are cleaned from intake to discharge.
- The fan and drain tray are cleaned and the drain checked.
- After photos are taken and the certificate issued.
How to prepare
- Mention any locked doors, roof access or ceiling voids
- Let us know when the site is closed or quiet
- Let us know about permits to work or site inductions
Get a fixed quote
The quickest way to a quote is to send pictures: wide shots of the system, close-ups of anything that worries you and how we’d get to it. Add the site type and your opening hours, and many jobs can be priced from that alone.
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What AHU cleaning looks like in Cogges
There are about 11 schools, colleges and universities, about 9 hospitals, care homes and childcare premises and about 7 hotels and B&Bs on the FSA’s food hygiene register in Cogges and the streets around it, up to about 1.5 miles out. Busy, occupied buildings like these are where clean supply air matters most.
Wherever a school like The Blake Church of England Primary School has ducted ventilation, a half-term visit keeps the work out of lesson time.
Cogges is about 1 mile east of Witney, in Oxfordshire. Wherever you are in the OX28 postcode area, we cover AHU cleaning for commercial sites. Across Oxfordshire, we cover 443 places, and Cogges is one of them. For sites nearby, see our Oxford page, about 11 miles away.
We cover every part of OX28 and OX29 for AHU cleaning and the streets around it. You will find streets such as Mead Lane, Puck Lane and Manor Road, all of which we cover for AHU cleaning. Cogges is on the A4095, which makes it straightforward for our technicians to reach for out-of-hours visits. If your site is just outside Cogges, we cover Witney (1 mile west), Madley Park (1 mile north-east), High Cogges (1 mile east), Ducklington (1 mile south) and South Leigh (2 miles east). Further out, we also cover Oxford (11 miles east), Abingdon-on-Thames (11 miles south-east), Carterton (5 miles west), Wantage (13 miles south), Grove (12 miles south) and Faringdon (10 miles south-west).
Near you in Cogges
In Cogges, that means kitchens and buildings near The Griffin Inn, The Henry Box School and Wood Green School and the streets around them. Cogges’s nearest station is Finstock station, roughly 4.8 miles north. Well-known places in the area include Cogges Manor Farm Museum (under half a mile north-east).
Common problems we fix in Cogges
No filter stops everything. What gets through settles on coils, fans and the inside of the casing, building up layer by layer.
Look out for any of the following:
- Rooms that smell stuffy when the system runs
- Fan sections that haven’t been cleaned in years
- Air handling units due a clean after building work
- Plant that has been serviced but not cleaned
For buildings in and around Cogges, TR19® Air cleaning starts with an inspection.
Questions to ask before you book
- What paperwork you get at the end
- Whether the figure could change on the day
- Proof of insurance
- Whether VAT is included