Hampshire · Air handling unit cleaning
Sherfield on Loddon AHU cleaning
We cover Sherfield on Loddon for AHU cleaning. Out-of-hours visits, a fixed quote and a written report with photos as standard.
- Blocked condensate drains and slimy trays
- Dust-coated heating and cooling coils
- Air handling units never cleaned inside
AHU cleaning in Sherfield on Loddon
Heating and cooling coils trap dust that gets past the filters. A coated coil restricts airflow and makes the unit work harder. Coils are cleaned carefully, with methods chosen so the fins aren’t flattened. If you have dust built up on fan impellers and coils clogged with dust and debris, we can help, from internal panels, dampers and louvres and filter sections onwards.
In rural areas, ventilation units are often in roof voids or outbuildings, where filters and drain trays get forgotten.
We’ve been trading since 2009, as a BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease. CHAS, SafeContractor and ISO 9001 are in place too, and we are fully insured.
- Location
- Sherfield on Loddon (RG27)
- Region
- Hampshire
- Records
- Photo report after every visit
- Quote
- A fixed price before we start
- Working hours
- Out of hours as standard, 24/7 emergency line
- Telephone
- 0345 646 2711
- Updated
- 30 October 2026
When it’s something else
A few issues sit outside what this work can do:
- Ductwork downstream of the unit, which is a separate clean
- Controls and BMS settings that run the unit
- A system that’s undersized for the building
Not sure which it is? You can call 0345 646 2711, or email photos and we will tell you honestly before booking.
Where we work
- Heating and cooling coils
- Dampers and louvres
- Internal panels
- Filter sections
- Drain trays
- Supply and extract fans
Why it’s worth doing now in Sherfield on Loddon
When the unit is clean, less dirt reaches the ducts, so the ducts and grilles stay cleaner between cleans. That makes the next inspection of a building in Sherfield on Loddon simpler. It’s worth booking a check, because nobody sees inside a duct day to day.
The price reflects the work, not guesswork. That’s why every job is surveyed first, and the price is agreed before we start.
Why choose Duct Doctor in Sherfield on Loddon
- CHAS, SafeContractor and ISO 9001
- Each visit written up, with photos
- Every job surveyed first
- BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease
Read how cleaning jobs are priced and our accreditations and certificates.
Towns and villages near Sherfield on Loddon
Also in Sherfield on Loddon
What staff can safely do
If your staff spot something between visits, such as dripping grease, a noisy fan, a smell or a filter that will not come clean, they should report it rather than try to fix it. We can diagnose it and quote.
A few tasks are always specialist work: entering ducts, working on fans, testing dampers and taking grease readings need training, the right equipment and safe access. Leave those to us.
Landlords, agents and facilities managers
If you look after several sites, we can plan visits across the whole estate and price them together. Every building has its own written report, so each one has its own record.
We regularly work with managing agents. Send the address, what’s needed and how access works, and we will send a fixed quote.
What AHU cleaning looks like in Sherfield on Loddon
Basingstoke and North Hampshire Hospital is the nearest hospital, about 4.4 miles south-west of Sherfield on Loddon. Healthcare ventilation is a good example of why supply ducts need inspecting: the air goes straight to patients. At about 42 miles from central London, Sherfield on Loddon sits well inside the area we cover. The visit is fixed around your opening hours, not ours.
Healthcare buildings such as Basingstoke and North Hampshire Hospital, about 4.4 miles south-west, depend on their ventilation; if you manage a surgery, clinic or care home near Sherfield on Loddon, yours matters too. For schools like Sherfield School, the holidays are the usual time to inspect and clean ventilation.
Sherfield on Loddon is about 5 miles north-east of Basingstoke, in Hampshire. Sherfield on Loddon gets the same approach as every site we work on: diagnosis first, a fixed price, out-of-hours working where needed and a written report with pictures. Our Hampshire coverage runs to 683 places, and Sherfield on Loddon is one of them. Our Reading page covers sites nearby (9 miles or so).
Every address in RG27 is within our area for AHU cleaning, from the main roads to the quietest streets. Whether your site is on Bramley Road, Reading Road and Greenway or a nearby road, we can help. Nearby, we also carry out AHU cleaning in Spanish Green (1 mile north-east), Church End (1 mile south), Bramley Green (1 mile north-west), Hartley Wespall (1 mile east) and Bramley (2 miles north-west). We also work in nearby towns such as Basingstoke (5 miles south-west), Farnborough (11 miles east), Fleet (9 miles east), Aldershot (12 miles south-east), Alton (12 miles south) and Yateley (9 miles east).
Landmarks near Sherfield on Loddon
Locally, jobs take us to businesses close to The Four Horseshoes Public House. The nearest railway station is Bramley (Hants) station, roughly 1.7 miles north-west. Nearby you’ll also find Basingstoke and North Hampshire Hospital (4.4 miles south-west) and Basing House (3.5 miles south). Green spaces nearby include Daneshill Park Woods.
Part by part
Filters
What’s on the filters is a good clue to what’s further in. We photograph them for the report.
Fans and fan sections
Dust on a fan impeller adds weight and wear. A clean fan runs more smoothly.
How the visit works
On the day, we arrive at the time agreed with you, which is often after service, overnight or at a weekend. Equipment that has to be off is switched off and allowed to cool first, and the area around the work is covered and protected. On site, it takes anything from half a day for one small unit to several shifts for a plant room full of them. If you can send photos, we can arrive in Sherfield on Loddon knowing what to expect.
- 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.
- We take after pictures and issue the certificate and report.
Before we arrive
- Clear loose items from the work area
- Let us know when the site is closed or quiet
- Plan for cooking equipment or plant to be off before we arrive
Ask for a quote
Photos are enough for some jobs, while others need a look on site. Big or complicated sites, and systems that are hard to see in pictures, get a survey first. Either way, you get a fixed price before work begins.
Advice
Sherfield on Loddon: your questions answered
Can you get to a site in Sherfield on Loddon?
Yes, smaller places are covered as well as towns. A survey first, from pictures or a visit, means we arrive with the right kit.
Do you work at weekends in Sherfield on Loddon?
Yes. We work evenings, overnight and at weekends. The site is handed back ready to open. Your opening times are the first thing we ask for.
Will we get paperwork for the AHU clean?
Yes. Every clean comes with a TR19® certificate and a photo report. They’re worth keeping with the plant records.
What does TR19 mean?
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.
Can you set up regular visits?
Yes. We run scheduled maintenance contracts, with visits at the interval your system needs. The report from each visit recommends the next date.
Do you survey before quoting?
Yes. We always survey first, from your pictures and details, or with a visit where needed. Then you get a fixed quote.
Which parts of an air handling unit do you clean?
Everything inside the unit that air passes over, from the intake and filters through the coils and fan to the outlet. You get a photo report showing each part before and after.
Can you quote from photos?
Often, yes. With good pictures, the site type and your last report, we can price many jobs. Where we cannot see enough, we arrange a survey.
Looking after it afterwards
Aftercare is simple, and it makes the next visit easier:
- Store the TR19 paperwork where auditors can find it
- Do not ignore odours coming through the grilles
- Plan the next inspection before the last report gets filed away
- Look at the condensate drain whenever the unit is serviced
The report shows each section of the unit before and after, along with anything we couldn’t reach. Any defects we noticed, like a leaking tray or damaged lining, are listed.
Don’t let leaves, litter or stored materials build up near the fresh air intake. What’s near the intake ends up in the unit.