Oxfordshire · Air handling unit cleaning

Air handling unit cleaning in Sunnymead, Oxfordshire

Professional AHU cleaning in and around Sunnymead, booked around your opening hours and signed off in writing with pictures.

  • Units that have only ever had filter changes
  • Dust built up on fan impellers
  • Air handling units due a clean after building work

AHU cleaning in Sunnymead

AHU cleaning for kitchens and businesses in Sunnymead

Heating and cooling coils trap dust that gets past the filters. A coated coil restricts airflow and makes the unit work harder. We clean coils with methods suited to their condition, taking care not to damage the fins. We are often asked to deal with dirty coils holding back the airflow and leaves and litter drawn into the unit, on filter sections, supply and extract fans and drain trays.

In a smaller place like Sunnymead, buildings with ducted ventilation are more likely to be a school, a surgery, a care home or a small business unit than an office block. Even a small system collects dust in its ducts and filters.

Accreditations are easy to claim and worth checking. We’re a BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease, and we hold CHAS, SafeContractor and ISO 9001, and we are fully insured.

Inside an extract duct: heavy deposits on the left, cleaned metal on the right
Where
Sunnymead (OX2)
Region
Oxfordshire
Records
Photo report after every visit
Quotes
A fixed price before work begins
Working hours
After hours by arrangement; emergencies any time
Phone
0345 646 2711
Updated
30 October 2026

When to call us in Sunnymead

Air handling units are typically tucked away on roofs, in plant rooms or above ceilings and are rarely seen by anyone but maintenance staff. Months can pass without anyone looking inside.

If you notice any of these, it’s worth a diagnosis:

  • Dirty filters cutting the airflow
  • Fan sections that haven’t been cleaned in years
  • Drain trays holding standing water
  • Units needing a clean before a new tenant or handover

Hospitals such as Acland Hospital (about 1.7 miles south) show how much a building can rely on clean ventilation, and smaller healthcare sites near Sunnymead are no different.

What to look for in a quote

  • Whether the quote is based on a survey or pictures
  • Which accreditations they hold, and whether you can check them
  • Whether the work can be done while the site is closed
  • What records you’ll receive afterwards

Our hiring checklist

In-house cleaning or a specialist?

Some jobs should never be done in-house: entering ducts, working on fans, testing dampers and taking grease readings need training, the right equipment and safe access. That is our job.

For ventilation and air handling systems, in-house care is mostly about checks: clear grilles, a log of filter changes and reporting anything odd. Cleaning inside ducts and units is specialist work.

Aftercare tips

How long the results last depends on use and care. Here’s what we suggest:

  • Book the next check in line with the report
  • Note any water around the unit or leaks below it
  • Do not ignore odours coming through the grilles
  • Don’t store bins or materials near the intake

Photos in the report cover the filters, coils, drain tray, fan and casing, and note any part we couldn’t get to. Any defects we noticed, like a leaking tray or damaged lining, are listed.

Change or clean filters on time. Overloaded filters let more dirt through to the coils and fan.

How the visit works

Everything the job needs comes with us, from protective sheeting to tools and access equipment. You only need to give us clear access and switch off what needs to be off. On site, the work takes anything from half a day for one small unit to several shifts for a plant room full of them. Visits to a place like Sunnymead are planned ahead, so we arrive with what the survey says the job needs.

  1. We start with a survey of the unit and a fixed quote for the work.
  2. The unit is shut down with your site team and the area protected.
  3. Filters, coils, fan section and casing are cleaned in turn.
  4. Standing water and slime come out of the tray and the drain is checked.
  5. A TR19® certificate and photo report follow the clean.

Before we arrive

  • Arrange a key holder or contact on site
  • Find the previous report, if there is one
  • Agree a time when the area can be out of use

Ask for 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 so you know the cost before we start.

Get a quick quote

Related advice

What happens if it’s left?

Stuffy rooms and stale smells in a building in Sunnymead can sometimes be traced back to the AHU. Cleaning it deals with the cause rather than the symptom. When a site near Sunnymead shuts unexpectedly, the people who rely on it notice at once.

One small site or a whole estate, we price it on the same basis: what needs doing, how we get to it and when. The price is fixed before any work starts.

What you get with us

  • Full insurance on every job
  • Every visit written up, with photos
  • CHAS and SafeContractor accredited, with ISO 9001
  • Survey first, then a fixed quote

Take a look at what affects the cost or our accreditations.

Different parts, different methods

Heating and cooling coils

Because cooling coils run wet, the dirt on them tends to cling. We clean the coil and the tray beneath it together.

Internal casing and panels

We open each section through its doors and close them securely when we’re done before the unit is handed back.

Common questions in Sunnymead

Do you clean school ventilation in Sunnymead in the holidays?

Yes. The holidays are the usual time for school work. Around Sunnymead, the Food Standards Agency lists about 24 schools and colleges with registered kitchens within a mile and a half or so. You can give us a ring on 0345 646 2711 or send us an email with the dates the site is empty.

Do you work at weekends in Sunnymead?

Yes. We work evenings, overnight and at weekends. The site is handed back ready to open. Let us know the hours you are closed and we will book within them.

What’s included in an AHU clean?

All the internal parts the air touches, from the intake and filters through the coils and fan to the outlet. You get a photo report showing each part before and after.

What’s 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.

What do you need from me for a quote?

A short description and a few pictures plus the address and your hours. If we need more, we will ask.

Where does the waste go?

We take it away at the end of the visit. While we work, it’s kept contained so the area stays clean.

How much does AHU cleaning cost in Sunnymead?

The cost depends on the size of the system, its condition, access and timing. Ask us for a fixed quote, typically ready within one working day.

How long will the unit be out of action?

The work takes anything from half a day for one small unit to several shifts for a plant room full of them. Large plant can be split over several shifts, and you can ring 0345 646 2711 or send us an email to plan it.

AHU cleaning in Sunnymead: local notes

The FSA’s food hygiene register lists about 24 schools, colleges and universities, about 15 care, childcare and hospital premises and about 8 hotels and B&Bs with registered kitchens or food service within 1.5 miles or so of the middle of Sunnymead. Where buildings like these have air handling units, filters, coils and drain trays need regular attention. For Sunnymead, the closest hospital is Acland Hospital, roughly 1.7 miles south. Hospitals show how much a building can rely on its ventilation, and smaller healthcare sites rely on theirs too. We cover Sunnymead, about 54 miles from central London, as part of our work across London and the South East. Visits are booked around your hours, evenings and weekends included.

Wherever a school like Cutteslowe Primary School has ducted ventilation, a half-term visit keeps the work out of lesson time.

Sunnymead is about 3 miles north-west of Oxford, in Oxfordshire. Whatever kind of site you run in Sunnymead, we can take on AHU cleaning. We can work out of hours so the site keeps running. We cover 443 places across Oxfordshire, from busy centres to quieter spots.

Work in OX2 follows the same survey, fixed quote and written report as everywhere else we cover. Streets in the area include Wren Road, Scott Road and Wyatt Road, and we cover them all for AHU cleaning. You’ll find Sunnymead on the A4165, so it’s easy for us to get to for out-of-hours visits. We also cover Cutteslowe (1 mile north), Summertown (1 mile south), North Oxford (1 mile south), Wolvercote (1 mile west) and Park Town (1 mile south). Further out, we also cover Oxford (3 miles south-east), Didcot (12 miles south), Bicester (9 miles north-east), Abingdon-on-Thames (7 miles south), Witney (10 miles west) and Carterton (14 miles west).

What’s near Sunnymead

Locally, jobs take us to businesses close to St Hugh's College Main Building Including Library, Oxford University Parks and Dew Drop Inn and the streets around them. Also close by are Summer Fields School (0.5 miles south) and Oxford Academy (0.7 miles south). The closest station to Sunnymead is Oxford Parkway station, about 1.4 miles north. A little further out are Oxford Castle (2.3 miles south) and Oxford University Museum of Natural History (1.8 miles south). Green spaces nearby include Hook Meadow and The Trap Grounds and Headington Hill.

Map of Sunnymead © OpenStreetMap contributors

Managing agents and facilities teams in Sunnymead

From a single site to a large estate, the standard is the same: diagnosis, a fixed price, work booked around your hours and a written report with pictures.

Landlords, managing agents and facilities managers book us, not only the businesses that use the systems. Shared systems, like a riser serving several units, need a clear agreement on who books the work, and we can quote for the whole system.

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