West Berkshire · Air handling unit cleaning
AHU Cleaning in Brightwalton
Our technicians work in Brightwalton on cleaning of air handling units, including filters, coils, drain trays, fans and internal surfaces. Fixed quotes, work around your opening hours and photo reports on every job.
- Dirty fans and fan housings
- Dirty coils holding back the airflow
- Intake sections clogged with outdoor debris
What we are called out for in Brightwalton
Wherever there’s a cooling coil, there’s condensate. If the drain tray outlet blocks or the tray doesn’t fall properly, water stands in it, and that is where slime and odours start.
Look out for any of the following:
- Dust built up on fan impellers
- Air handling units due a clean after building work
- Drain trays holding standing water
- Filters that are clogged or overdue
For buildings in and around Brightwalton, TR19® Air cleaning starts with an inspection.
Questions to ask before booking
- Whether the whole system is included, or only the parts that are easy to reach
- Which accreditations they hold, and whether you can check them
- Whether inaccessible sections are listed on the report
- If the quote is a fixed price or an estimate
AHU cleaning in Brightwalton
Drain trays under cooling coils are meant to empty. When the drain blocks, water sits there and the tray turns slimy, in the airstream that feeds the building. Cleaning and clearing it is a key part of the job. We are often asked to deal with odours coming through the supply air and air handling units never cleaned inside, across dampers and louvres, internal panels and supply and extract fans.
For a building in or near Brightwalton, access is agreed in advance and the visit is planned around the journey.
Good records are part of the job. You get a written report with pictures after each visit, listing what was done, anything we couldn’t reach and when the next visit is due. File it in your maintenance log so it’s to hand when an insurer or inspector asks.

- Where
- Brightwalton (RG20)
- Region
- West Berkshire
- Records
- Report and photos after the visit
- Quotes
- A fixed price before we start
- Hours
- After hours by arrangement; emergencies any time
- Call
- 0345 646 2711
- Last updated
- 30 October 2026
What affects the cost of AHU cleaning
You will get a fixed price before work begins. It’s based on:
- Whether several sites go on one quote
- Site rules, permits and inductions
- Where the site is and how we reach it
- Whether we need access equipment or extra panels
Every site is different, so each one gets its own fixed quote. Size, access, the condition of the system and when we can work all play a part.
What to send for a quote
To speed up the quote, send us:
- When the site is open and when it’s quiet
- The paperwork from the last visit, if you have it
- Problems your staff have spotted
- The site address and the type of premises
Need a price for AHU cleaning? Please ring 0345 646 2711, or email photos with a few details about the site. We’ll talk you through the work and send you a fixed quote before anything is booked.
Also near Brightwalton
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How the visit works
We are used to working while the site is closed. A lot of visits happen overnight or at weekends, so the site can open as normal afterwards. On site, the work takes half a day to a full day per unit, with large plant planned over several shifts. If the van will struggle with a lane or gateway near Brightwalton, let us know and we will plan around it.
- We look at the unit and the plant area during the survey.
- The area is protected and the unit made safe.
- Dirt and debris are removed from each section.
- Coils and trays are cleaned and the condensate drain cleared.
- We close every panel, hand the unit back and send the report and certificate.
How to prepare
- Let us know how we reach the system, including roofs, risers and plant rooms
- Let us know about parking and loading
- Find the previous report, if there is one
Get a fixed quote
The quickest way to a quote is to send pictures: the system from a couple of angles, plus any access panels or hatches. Tell us what kind of site it is and when it’s open, and we can price many jobs without a visit.
Advice
Looking after it afterwards
To keep the system working properly between visits:
- Keep filter changes on time and recorded
- Make sure condensate is draining away
- Report water on the plant room floor
- Flag stale or damp smells in the supply air
The ducts served by the unit may need attention too. A clean unit feeding dirty ducts only solves half the problem, and we can survey both.
Change or clean filters on time. Once filters clog, dirt starts getting past them.
Common questions in Brightwalton
Do you cover smaller places like Brightwalton?
Yes, we work in villages as well as towns, and Brightwalton is covered. Photos of the system and directions to the site help us plan the visit.
Do you offer AHU cleaning in Brightwalton?
Yes. Our area runs across London and the South East, Brightwalton included. A fixed quote typically follows within one working day of the survey details.
Do you offer maintenance contracts?
Yes. Send details of the systems and how they’re used, and we will suggest a schedule and quote for it.
What types of premises do you cover?
Commercial premises of every kind: from restaurants, pubs and hotels to schools, hospitals, care homes, offices, shops and food production sites. Work is timed around how each site runs.
Do you work evenings or weekends?
Yes, wherever it helps the building. Tell us when the unit can go off and we’ll work to that.
Can you clean the ducts connected to the AHU?
Yes. We reach the ducts through access panels, with anything inaccessible recorded, and new panels can be fitted.
Can you quote from pictures?
Often, yes. Photos of the system and the access, plus your opening hours and last report, are often enough. Where we cannot see enough, we arrange a survey.
How much notice should we give?
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.
Why it’s worth doing now in Brightwalton
Facilities teams are often asked for evidence that the ventilation is looked after. Our certificate and photo report give you clear evidence, for audits, tenants or your own peace of mind. In a small place like Brightwalton, a system that fails can take a site out of use.
When the work has to happen, how we reach it and how big the site is all affect the cost. Each of those is built into the quote and give you a fixed price before we start.
Why choose Duct Doctor in Brightwalton
- A fixed price before any work starts
- Fully insured
- BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease
- Evenings, overnight and weekends, plus 24/7 emergency callout
See how cleaning jobs are priced or our accreditations and certificates.
What AHU cleaning can’t fix
We will not sell you work that doesn’t address the problem, so these are the things it won’t cover:
- Leaking heating or cooling coils
- Ductwork downstream of the unit, which is a separate clean
- Problems with the unit’s controls or sensors
If in doubt, call us on 0345 646 2711 or send us an email and we’ll say what we think.
What the work covers
- Supply and extract fans
- Heating and cooling coils
- Internal panels
- Filter sections
- Dampers and louvres
- Drain trays
Part by part
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.
Filters
Every AHU relies on its filters to catch dust before it reaches the coils. As part of the clean, filters are checked and cleaned or replaced as agreed, and clean the filter housing.
What AHU cleaning looks like in Brightwalton
We cover Brightwalton, about 55 miles from central London, as part of our work across London and the South East. The visit is fixed around your opening hours, not ours.
School buildings such as Brightwalton C.E. Aided Primary School are usually done in the holidays, so classrooms aren’t disturbed.
Brightwalton is about 6 miles south of Wantage, in West Berkshire. Brightwalton gets the same approach as every site we work on: a survey first, a fixed quote, work timed around your hours and a report with pictures. Across West Berkshire, we cover 155 places, and Brightwalton is one of them. You can also see our page for Reading, roughly 18 miles from Brightwalton.
Postcode districts we cover here for AHU cleaning: RG20. That includes premises on Dunmore Meadow and Saxons Acre and the roads around them. Close by, we work in Brightwalton Green (1 mile south), Catmore (2 miles east), Farnborough (2 miles north), Stanmore (3 miles east) and West Ilsley (4 miles north-east). Within a short drive, we also cover Newbury (8 miles south), Thatcham (9 miles south-east), Speenhamland (8 miles south), Hungerford (9 miles south-west), Calcot (15 miles east) and Lambourn (6 miles west).