Hampshire · Air handling unit cleaning
Hartley Wintney AHU cleaning
AHU cleaning for Hartley Wintney, from a team that has been trading since 2009. Out-of-hours visits and 24/7 emergency callout.
- Filters that are clogged or overdue
- Units needing a clean before a new tenant or handover
- Stale or musty smells from the ventilation
How we handle AHU cleaning in Hartley Wintney
Where a building in Hartley Wintney has had little more than filter changes, there may be dirt on the coils, fan and casing that nobody has looked at. A full clean deals with all of it. The work covers heating and cooling coils, drain trays and dampers and louvres, and the jobs we see most are intake sections clogged with outdoor debris and blocked condensate drains and slimy trays.
In a place like Hartley Wintney, air handling units are often tucked into roof spaces or small plant rooms, out of sight and easy to overlook. Every unit, large or small, has filters, coils and a drain tray to keep clean.
Accreditations are easy to claim and worth checking. We are a BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease, and we hold CHAS, SafeContractor and ISO 9001, with full insurance on top.

- Where
- Hartley Wintney (RG27)
- Region
- Hampshire
- Reporting
- Written report with pictures
- Quotes
- A fixed quote up front
- Hours
- When your site is closed, plus a 24/7 line
- Phone
- 0345 646 2711
- Page updated
- 30 October 2026
What a clean won’t put right
It’s worth knowing the limits before booking:
- A system that’s undersized for the building
- Damaged coils beyond cleaning
- Problems with the unit’s controls or sensors
If in doubt, give us a ring on 0345 646 2711 or send us an email and we will say what we think before booking.
What we work on in Hartley Wintney
- Supply and extract fans
- Internal panels
- Filter sections
- Heating and cooling coils
- Dampers and louvres
- Drain trays
Part by part
Filters
Dirty filters cut airflow and let dirt slip past their frames. The filter section is cleaned so new or cleaned filters sit properly.
Heating and cooling coils
Heating and cooling coils have tightly packed fins that trap fine dust. We clean them with care so the fins aren’t damaged.
Common problems we fix in Hartley Wintney
Cooling coils create condensation, and that water has to go somewhere. If the drain tray outlet blocks or the tray does not fall properly, water stands in it, and slime and smells soon follow.
These are the problems we see most often:
- Dirty filters cutting the airflow
- Dust built up on fan impellers
- Air handling units never cleaned inside
- Blocked condensate drains and slimy trays
Classrooms and halls at schools such as Greenfields Junior School are easiest to work in when pupils are away.
What your quote should include
- Whether the work can be done while the site is closed
- Whether the whole system is included, or only the parts that are easy to reach
- Whether a written report and photos are included
- Their accreditations, such as BESCA Vent Hygiene Elite, CHAS or SafeContractor
In-house cleaning or a specialist?
Good housekeeping makes our visits easier, not unnecessary. Regular in-house cleaning slows the build-up, but the parts you can’t see still need a specialist at the right interval.
Your own staff can handle the daily basics: wiping down canopy surfaces, cleaning filters and keeping a simple log. Inside the ducts, risers and fan is specialist work, which is where we come in.
What happens on the day
At the end of the visit, someone from your team can look over the work with us. Anything we couldn’t reach or that needs attention is pointed out there and then, and the same goes into the written report. All told, the work takes from a few hours for a compact unit to a day or more for a large one. Tell us about any gates, ladders or locked plant areas at your site near Hartley Wintney when you book.
- We look at the unit and the plant area during the survey.
- We sheet the area and the unit is isolated.
- Each section is cleaned of dust, debris and slime.
- We clean the coils and clear the tray and drain.
- The unit is closed up and handed back, with a report to follow.
Getting ready for the visit
- Let us know about parking and loading
- Dig out any earlier paperwork for the system
- Let us know when the site is closed or quiet
Get a fixed quote
Every quote begins with a look at the system, from your pictures and details or, where that is not enough, a survey on site. After that, you get a fixed price for the work so you know the cost before we start.
Read more
What affects the cost of AHU cleaning
Some jobs are bigger than they look, and some smaller. The main factors:
- Where the site is and how we reach it
- When the work can happen, such as evenings, overnight or weekends
- The size of the system
- Whether several sites go on one quote
The price reflects the work, not guesswork. That is why every job is surveyed first, and why the quote is fixed before any work starts.
Helping us quote
When you contact us, it’s useful to have:
- Photos showing the whole system and its surroundings
- Any access panels or hatches you can see
- When the site is open and when it’s quiet
- Anything you’ve noticed, such as smells, noise, drips or poor airflow
For a fixed quote, ring 0345 646 2711, or email photos with the site type, your trading hours and a short description of the system. A few photos and your last certificate or report help a lot. You’ll usually have a quote within one working day.
Hartley Wintney: your questions answered
Do you work in villages like Hartley Wintney?
Yes, smaller places are covered as well as towns. Let us know about access, parking and anything unusual about getting there when you book.
Can you do AHU cleaning in Hartley Wintney?
Yes. We work across London and the South East, and Hartley Wintney is part of that. Get in touch with the details and we will arrange a survey.
Can you clean the AHU out of hours?
Yes. The clean is planned around when the unit can be switched off. In hospitals and care homes, we agree timings with the site team.
What do you need from me for a quote?
The site address, the type of premises and your opening hours, plus pictures of the system and your last certificate or report if you have one.
Can you come out in an emergency?
Yes. There’s a 24/7 emergency line, for problems that can’t wait. Ring any time and tell us what’s happened.
Will we get paperwork for the AHU clean?
Yes. A TR19® certificate and photo report are sent after the clean, with any faults we noticed.
How often should an air handling unit be cleaned?
Under TR19® Air, cleaning is led by inspection and risk rather than a set calendar. Each report suggests when the unit should next be looked at.
How long does it take to clean an air handling unit?
Typically the clean takes half a day to a full day per unit, with large plant planned over several shifts. We plan the shutdown around that, out of hours if needed.
Multi-site and managed buildings
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.
Under the Regulatory Reform (Fire Safety) Order 2005, the responsible person must assess and reduce fire risk, which may be the employer, owner, landlord, FM or managing agent. With shared responsibility, good records help everyone.
Ventilation in Hartley Wintney buildings
Food Standards Agency records list about 3 hospitals, care homes and childcare premises registered as food businesses within about 1.5 miles of central Hartley Wintney. Where buildings like these have air handling units, filters, coils and drain trays need regular attention. Fleet Community Hospital is the nearest hospital, about 2.6 miles south-east of Hartley Wintney. Clean air matters most where people are unwell, and that’s as true in a care home as in a hospital. At about 37 miles from central London, Hartley Wintney sits well inside the area we cover. The visit is fixed around your opening hours, not ours.
Healthcare buildings such as Fleet Community Hospital, about 2.6 miles south-east, depend on their ventilation; if you manage a surgery, clinic or care home near Hartley Wintney, yours matters too.
Hartley Wintney is about 4 miles north-west of Fleet, in Hampshire. Sites in Hartley Wintney get the same service as everywhere we cover: diagnosis first, a fixed price, out-of-hours working where necessary and a written report with photos. Hartley Wintney is one of 683 places in Hampshire we cover for commercial clients. Reading is in our area too, around 10 miles away.
We cover every part of RG27 for AHU cleaning and the streets around it. Whether your site is on London Road, High Street and Harthouse Court or a nearby road, our technicians can take on the work. Other places close to Hartley Wintney include Mattingley (2 miles west), Hazeley (2 miles north-west), Hound Green (3 miles north-west), Rotherwick (3 miles west) and Bramshill (3 miles north-west). Further out, we also cover Basingstoke (9 miles west), Farnborough (6 miles east), Fleet (4 miles south-east), Aldershot (7 miles south-east), Alton (11 miles south) and Yateley (4 miles north-east).
Around Hartley Wintney
Around Hartley Wintney, our work takes us to kitchens and buildings near The Waggon & Horses pub, among other places. Hartley Wintney’s nearest station is Winchfield station, about 1.4 miles south. A little further out are Fleet Community Hospital (2.6 miles south-east) and West Green House Agricultural Museum (1.2 miles west). Open spaces near Hartley Wintney include Hitches Hill and Dogmersfield Lake.