Oxfordshire · Air handling unit cleaning

Swerford AHU cleaning

AHU cleaning in Swerford from ventilation hygiene specialists trading since 2009. Evenings, overnight and weekends, plus a 24/7 emergency line.

  • Air handling units due a clean after building work
  • Dirty coils holding back the airflow
  • Air handling units never cleaned inside

AHU cleaning across Swerford

AHU cleaning in Swerford: local notes

Our area takes in London and the South East, Swerford included. The visit is fixed around your opening hours, not ours.

In Swerford, we look inside the system before deciding what needs cleaning. Whether the building is in Swerford itself or nearby, filters, coils, drain trays and ducts are all part of the work.

Swerford is about 7 miles south-west of Banbury, in Oxfordshire. Anywhere in OX7, we can carry out AHU cleaning at your premises. We cover 443 places across Oxfordshire, large and small. We also work in Oxford, about 18 miles from Swerford.

Work in OX7 is surveyed, quoted and booked the same way as anywhere else. Whether your site is on Chapel Hill and St Mary's Lane or anywhere close by, we can help. Close by, we work in Wigginton (1 mile north-east), Little Tew (2 miles south), Great Tew (2 miles south-east), Hook Norton (2 miles north-west) and South Newington (2 miles north-east). Larger places within reach include Banbury (7 miles north-east), Bicester (14 miles south-east), Witney (13 miles south), Kidlington (13 miles south-east), Bure Park (13 miles east) and Chipping Norton (5 miles south-west).

What’s near Swerford

We work in commercial kitchens and buildings around The Boxing Hare pub, among other places. Other landmarks nearby include Old Forge Museum (Great Tew) (1.6 miles south-east). For a walk, there’s Woodford Bottom and Lamb's Pool.

Map of Swerford © OpenStreetMap contributors

AHU cleaning in Swerford, done properly

Drain trays under cooling coils are meant to empty. If the outlet blocks, standing water and slime build up, in the airstream that feeds the building. Cleaning and clearing it is a key part of the job. The work covers drain trays, heating and cooling coils and filter sections, and common reasons people get in touch are units needing a clean before a new tenant or handover and dirty fans and fan housings.

Work in a small place like Swerford starts with agreeing access and timings, and the ventilation is inspected, cleaned and recorded the same as anywhere.

A written report with photos follows every 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
Swerford (OX7)
Wider area
Oxfordshire
Reporting
Written report with photos
Price
A fixed price before any work starts
Working hours
After hours by arrangement; emergencies any time
Call
0345 646 2711
Checked
30 October 2026
Before and after view down the inside of a rectangular extract duct

Aftercare tips

Results last longer with the right care. Here’s what we suggest:

  • Keep the area around the fresh air intake clear
  • Report stiff or damaged access doors
  • File each AHU report in the maintenance log
  • Watch for drips or damp patches near the plant

Once the clean is done, we send a TR19® certificate and a report with before and after pictures. They belong in the plant or maintenance log.

Keep the unit’s doors and panels in working order. Sections that are awkward to open are the ones that get skipped.

What AHU cleaning can’t fix

We will always give you a straight diagnosis, so here’s what this work cannot put right:

  • Airflow problems caused by the system’s design
  • Ductwork downstream of the unit, which is a separate clean
  • Leaking heating or cooling coils

If in doubt, call us on 0345 646 2711, or email photos and we’ll say what we think.

Where we work

  • Filter sections
  • Dampers and louvres
  • Internal panels
  • Heating and cooling coils
  • Supply and extract fans
  • Drain trays

For landlords and multi-site operators

We also work for facilities teams across offices, schools and healthcare in Swerford and across Oxfordshire. Larger estates can be phased building by building to keep disruption down.

When the building owner and the occupier are different, it’s worth checking the lease for who maintains the systems. We’re happy to deal with either side and send the paperwork to whoever needs it.

Leave it or put it right?

Leave an AHU uncleaned and the dirt doesn’t stay put. It moves on into the ductwork and out into the rooms, which is why the unit and the ducts are best cleaned together. Our emergency line runs 24/7, but a planned visit to Swerford is calmer for everyone.

What you pay reflects the actual work. That is why we survey first, from pictures or on site, and the price is agreed before we start.

Why Swerford businesses choose us

  • We’re fully insured
  • Out-of-hours work and a 24/7 emergency line
  • Member of BESCA Vent Hygiene Elite, cleaning to BESA TR19® Grease
  • We diagnose before we treat

See what affects the cost and our accreditations.

What staff can safely do

Staff cleaning and specialist work are not the same thing. A daily filter wipe and a weekly filter wash keep grease down at the front of the system, but they don’t reach the grease that builds up further in. That part needs specialist access and equipment.

Good housekeeping makes our visits easier, not unnecessary. Regular in-house cleaning slows the build-up, but the parts you cannot see still need a specialist at the right interval.

What we do, step by step

Protection comes first: floors, worktops and anything near the work are covered. Then we make the system safe and start. The work on site takes anything from half a day for one small unit to several shifts for a plant room full of them, and the area is cleaned down before we leave. Rural roads and tight entrances are worth telling us about before a visit to Swerford.

  1. We agree a shutdown window that suits the building.
  2. We take before pictures of each section of the unit.
  3. Filters, coils and internal surfaces are cleaned from intake to discharge.
  4. We finish with the fan section and the drain tray.
  5. We take after pictures and issue the certificate and report.

How to prepare

  • Clear loose items from the work area
  • Agree a time when the area can be out of use
  • Name a contact who can let us in at the agreed time

Getting a quote

For AHU cleaning in Swerford, call 0345 646 2711 or email us. Tell us what kind of premises it is and when it’s open, and send photos or your last report if you can. A fixed quote normally follows within one working day.

Ask for a quote

Advice

FAQs for Swerford

Do you offer AHU cleaning in Swerford?

Yes, we work in Swerford and the places around it. Just give us a ring on 0345 646 2711, or email photos with a few details of the site.

Do you cover smaller places like Swerford?

Yes, smaller places are covered as well as towns. A survey first, from pictures or a visit, means we arrive with the right kit.

How often do AHUs need cleaning?

It depends on the unit, the filters and how the building is used. Inspection tells you when cleaning is needed, and we will suggest an interval after the first clean.

What happens if you can’t reach some of it?

We never leave them off the paperwork. You’ll know exactly which parts weren’t reached and why, and we can quote to improve the access.

Do you clean the ductwork as well?

Yes. We reach the ducts through access panels, with anything inaccessible recorded, with new panels fitted where needed.

Which sectors do you work in?

Any site with a kitchen or a ventilation system to look after, from a small pub to a hospital. We work with hotels, schools, care homes, offices, retail and leisure sites.

How far ahead should we book?

Earlier is better, particularly for night and weekend visits. Quotes typically come back within one working day, and there’s a 24/7 line for emergencies.

What information do you need?

Where the site is, what it is and when it’s open, along with a few pictures and any previous report.

How the job changes from site to site

Heating and cooling coils

Dirt on a coil slows the air and makes it harder for the coil to heat or cool. Cleaning restores the open path through the fins.

Fans and fan sections

The fan section is cleaned with the unit switched off and isolated in agreement with the site.

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