Oxfordshire · Air handling unit cleaning

Air handling unit cleaning in Farnborough, Oxfordshire

AHU cleaning for Farnborough and the surrounding area: a survey, a fixed price, careful work and proper paperwork. Call for a fixed quote.

  • Stale or musty smells from the ventilation
  • Fan sections that haven’t been cleaned in years
  • Plant that needs cleaning after a refit

AHU cleaning for sites in Farnborough

What we do, step by step

The first job on site is protection: sheeting goes over floors and surfaces close to the work. After that, the system is made safe and the work begins. The work on site takes a single shift for a typical unit, longer for large or heavily soiled ones, and the area is cleaned down before we leave. Somewhere like Farnborough, lanes, gates and parking are worth mentioning in advance.

  1. We look at the unit and the plant area during the survey.
  2. The area is protected and the unit made safe.
  3. Each section is cleaned of dust, debris and slime.
  4. Coils and trays are cleaned and the condensate drain cleared.
  5. We close every panel, hand the unit back and send the report and certificate.

Preparing for the visit

  • Name a contact who can let us in at the agreed time
  • Tell us about access, such as roof hatches, plant rooms, ceilings or locked areas
  • Plan for cooking equipment or plant to be off before we arrive

Ask for a quote

Photos are the quickest way to a quote: the system from a couple of angles, plus any access panels or hatches. Add the site type and your opening hours, and many jobs can be priced from that alone.

Ask for a quote

Advice

How we handle AHU cleaning in Farnborough

An air handling unit is the heart of a building’s ventilation: it draws air in, filters it, heats or cools it and pushes it round the ductwork. Whatever builds up inside it travels with that air, which is why we clean the unit itself, not just the ducts. If you are dealing with plant that has been serviced but not cleaned and rooms that smell stuffy when the system runs, we can help.

Work in a small place like Farnborough starts with agreeing access and timings.

A written report with photos follows every visit, so there’s a dated record of the work. Where the work is a TR19® Grease clean, the certificate is issued through the BESCA Vent Hygiene Elite portal.

Where
Farnborough (OX12)
Region
Oxfordshire
Paperwork
Report and photos after the visit
Price
A fixed quote up front
Hours
After hours by arrangement; emergencies any time
Call
0345 646 2711
Reviewed
30 October 2026
Before and after view down the inside of a rectangular extract duct

What we are called out for in Farnborough

It matters for two reasons: the unit supplies the air people breathe, and a dirty unit has to work harder. For the people using the building every day, that is the air they breathe for hours on end.

Keep an eye out for these warning signs:

  • Drain trays holding standing water
  • Stale or musty smells from the ventilation
  • Leaves and litter drawn into the unit
  • Units that have only ever had filter changes

Every job around Farnborough ends with a record of what was cleaned and what was found.

What to look for in a quote

  • Proof of accreditation you can verify
  • Whether the quote is based on a survey or photos
  • Proof of insurance
  • What hours they’ll be on site

Choosing a duct cleaning contractor

Common questions in Farnborough

Is Farnborough in your area for AHU cleaning?

Yes. We work across London and the South East, and Farnborough is part of that. You can call 0345 646 2711 or drop us a line and tell us what needs doing.

Do you work at weekends in Farnborough?

Yes, we can come after you close and finish before you open. The site is handed back ready to open. Just ring 0345 646 2711 or send us an email with your opening times and we will plan around them.

What should I send you?

Some pictures and a quick description of the system, with the address and opening hours. We’ll ask for anything else we need.

What do you do to protect the area?

Protection goes down first: sheeting over floors, worktops and anything close to the work. The area is left tidy, with our waste taken away.

How long does an AHU clean take?

Cleaning takes anything from half a day for one small unit to several shifts for a plant room full of them. Bigger units can be phased, and you can call 0345 646 2711 or drop us a line to plan it.

Can you set up regular visits?

Yes. We run scheduled maintenance contracts, with visits at the interval your system needs. Each report recommends when the next visit should be.

Will the ventilation be off while you clean?

Yes. The unit has to be shut down and isolated before it’s opened. The shutdown is planned with whoever runs the building.

Can you quote from pictures?

Normally, yes. Send wide shots, close-ups of any access panels and anything that worries you, and we usually come back within one working day. If pictures aren’t enough, we will survey first.

In-house cleaning or a specialist?

Some jobs should never be done in-house: opening up ductwork, cleaning fans, drop testing fire dampers and measuring grease call for the right kit, training and safe access. That’s our job.

If your staff spot something between visits, like drips, unusual noise, smells or damaged filters, they should report it rather than try to fix it. We can diagnose it and quote.

Different parts, different methods

Heating and cooling coils

A dirty coil holds back the air and makes heating and cooling less effective. A clean gets air moving through the coil properly again.

Filters

Every AHU relies on its filters to catch dust before it reaches the coils. We check them, and clean or change them as agreed in the quote, and the housing around them is cleaned too.

AHU cleaning in Farnborough: local notes

We cover Farnborough, about 55 miles from central London, as part of our work across London and the South East. A survey and a fixed quote come first, then the visit at a time that suits you.

Around Farnborough, as anywhere, ventilation cleaning begins with an inspection.

Farnborough is about 4 miles south-east of Wantage, in Oxfordshire. We provide AHU cleaning for commercial premises of every kind in Farnborough and the rest of Oxfordshire. Our Oxfordshire coverage runs to 443 places, and Farnborough is one of them. Oxford is in our area too, around 16 miles away.

Work in OX12 is surveyed, quoted and booked the same way as anywhere else. We also cover the places around Farnborough: Catmore (2 miles south-east), Brightwalton (2 miles south), Brightwalton Green (2 miles south), West Ilsley (3 miles east) and Stanmore (3 miles south-east). Within a short drive, we also cover Didcot (8 miles north-east), Abingdon-on-Thames (11 miles north), Wantage (4 miles north-west), Grove (6 miles north-west), Faringdon (12 miles north-west) and Benson (13 miles north-east).

Near you in Farnborough

Other landmarks nearby include Atlas Computer Laboratory (3.8 miles north-east). The countryside around Farnborough includes Letcombe Valley and Chain Hill.

Map of Farnborough © OpenStreetMap contributors

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, ready to show anyone who asks. It’s simpler to plan the work at Farnborough now than to arrange it in a hurry later.

Putting the work off seldom saves money. Problems in a system tend to grow, and a neglected system can mean more work. If you are not sure what’s needed, give us a ring on 0345 646 2711 or drop us a line for straight advice and a fixed quote.

Why book with us

  • Survey first, then a fixed quote
  • Every visit written up, with photos
  • CHAS, SafeContractor and ISO 9001
  • Fully insured

See our cost guide and our accreditations and certificates.

Keeping the system healthy

Once we’ve finished, these simple steps help:

  • Watch for drips or damp patches near the plant
  • Report musty smells from the vents right away
  • Keep the area around the fresh air intake clear
  • Store the TR19 paperwork where auditors can find it

When we’ve closed the unit up, it can be restarted with your site team. Check the drain tray is emptying over the first few days to make sure it stays clear.

Have the unit inspected regularly, in line with the risk-based approach of TR19® Air instead of leaving it to guesswork.

For landlords and multi-site operators

Running several sites is easier with one contractor. We work across London and the South East, so a run of sites can go into one programme and kept to a regular schedule.

For anyone managing more than one site, we can schedule visits across all of them on one quote. Each site gets its own report and pictures, so each one has its own record.

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