Hampshire · Air handling unit cleaning
AHU Cleaning in Deadwater
We cover Deadwater for air handling unit cleaning. Out-of-hours visits, a fixed quote and a written report with photos on every job.
- Stale or musty smells from the ventilation
- Units needing a clean before a new tenant or handover
- Air handling units with blocked filters
About our AHU cleaning in Deadwater
Units vary a lot in size, age and layout, from a small ceiling-mounted unit to a large rooftop plant. Every job starts with a survey, from pictures or on site, followed by a fixed quote, so you know where you stand. The work covers supply and extract fans, heating and cooling coils and internal panels, and the jobs we see most are dirty coils holding back the airflow and units needing a clean before a new tenant or handover.
Around a place like Deadwater, ventilation systems tend to be in schools, surgeries, care homes and workplaces. Even a small system collects dust in its ducts and filters.
Insurers, fire officers and environmental health officers all look at records. So every job comes with a written report and pictures, and grease extract cleans come with a TR19® certificate issued through the BESCA Vent Hygiene Elite portal.
- Where
- Deadwater (GU35)
- Wider area
- Hampshire
- Records
- Photo report after every visit
- Quote
- A fixed quote up front
- Hours
- Overnight and weekend work, 24/7 emergency callout
- Phone
- 0345 646 2711
- Last updated
- 30 October 2026
The process
We work around your opening hours, not the other way round. We book the visit for a time the area is closed, whether that’s an evening, overnight or a weekend. Once we are in, the area is sheeted and anything that has to be off is turned off and cooled, and the job takes anything from half a day for one small unit to several shifts for a plant room full of them. For a place like Deadwater, we load the van from the survey notes so the work can be done in one visit where possible.
- The survey covers the unit, its access and how it can be shut down.
- The area is protected and the unit made safe.
- Dirt and debris are removed from each section.
- We clean the coils and clear the tray and drain.
- We close every panel, hand the unit back and send the report and certificate.
Getting ready for the visit
- Tell us about site rules, permits or sign-in
- Find the previous report, if there is one
- Plan for cooking equipment or plant to be off before we arrive
Get a fixed quote
Quotes are quick. Send a few details and pictures, and we typically reply with a fixed quote within one working day. If we need to see the system first, we book a survey around your hours.
Advice
What AHU cleaning cannot fix
It’s worth knowing the limits before booking:
- Damaged coils beyond cleaning
- Problems with the unit’s controls or sensors
- Dirty ducts beyond the unit itself
If you’re not sure, just give us a ring on 0345 646 2711 or send us an email and we’ll give you a straight answer before you book.
Where we work
- Dampers and louvres
- Drain trays
- Heating and cooling coils
- Supply and extract fans
- Filter sections
- Internal panels
Looking after it afterwards
Once we’ve finished, these simple steps help:
- Clear leaves and litter away from the intake
- Do not ignore odours coming through the grilles
- Plan the next inspection before the last report gets filed away
- Store the TR19 paperwork where auditors can find it
Stick to the filter change schedule, because good filters protect everything downstream. Log every change so it’s easy to see when the next is due.
Make the drain tray part of every maintenance visit. A drain that is cleared early never gets to the slime stage.
What affects the cost of AHU cleaning
A fixed price needs a few facts first. We check:
- Whether several sites go on one quote
- The size of the system
- Whether it’s a one-off visit or part of a schedule
- Parking and loading at the site
The cost depends on the size of the system, what state it’s in and access to every part of it. We give you a fixed price before work begins, so you know where you stand.
Helping us quote
We can often survey from pictures. The most useful are:
- Any previous report or certificate
- Photos showing the whole system and its surroundings
- How we’d reach plant on a roof or in a plant room
- Detail shots of panels, filters and grilles
Here’s what helps us quote: the address, the type of site and when it’s open, photos of the system and any previous report or certificate. Once you have those, call us on 0345 646 2711 or send us an email.
Part by part
Filters
Filter condition tells you a lot about the rest of the unit. They’re photographed before and after for your records.
Drain trays
Older trays can corrode and start leaking. We record their condition with photos so you can decide on any repairs.
Deadwater: your questions answered
Can you work in Deadwater outside opening hours?
Yes, out-of-hours work is a big part of what we do. The work in Deadwater can fit around your hours. Your opening times are the first thing we ask for.
Is Deadwater within the area you cover?
Yes. Deadwater is within the area we cover across London and the South East. A survey first, from photos or a visit, means we arrive with the right kit.
Can one contract cover all our sites?
Yes. Tell us the addresses and what each needs and we’ll quote them together.
How long does an AHU clean take?
Expect it to take anything from half a day for one small unit to several shifts for a plant room full of them. The unit’s size and condition make the biggest difference, and the quote will give you a clear idea.
Is a quote from photos possible?
Often, yes. Photos of the system and the access, plus your opening hours and last report, are often enough. Larger or hidden systems need a survey on site first.
Will the ventilation be off while you clean?
Yes. We cannot clean a running unit, so it’s switched off and made safe first. The shutdown is planned with whoever runs the building.
Can you come out in an emergency?
Yes. If something urgent happens, like a fan failing or damage after a fire, call our 24/7 line, and we’ll advise on what to do next.
Do you do ventilation duct cleaning too?
Yes. We reach the ducts through access panels, and any sections we can’t reach are noted in the report, and new panels can be fitted.
Ventilation in Deadwater buildings
Food Standards Agency records list about 3 schools, colleges and universities and about 8 hospitals, care homes and childcare premises registered as food businesses within 1.5 miles or so of the middle of Deadwater. Busy, occupied buildings like these are where clean supply air matters most. Deadwater’s nearest hospital, Chase Community Hospital, is about 0.7 miles south-west. Clean air matters most where people are unwell, and that is as true in a care home as in a hospital. Deadwater, about 42 miles from central London, is within our usual area. We work evenings, overnight and at weekends, so the visit fits around the site.
If you run a surgery, dental practice or care home near Deadwater, clean ventilation matters as much to you as to a hospital like Chase Community Hospital (about 0.7 miles south-west).
Deadwater is about 1 mile east of Bordon, in Hampshire. Deadwater 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. Deadwater is one of 683 places in Hampshire where we work for AHU cleaning. For sites nearby, see our Guildford page (15 miles or so).
Every address in GU35 is covered for AHU cleaning, from the main roads to the quietest streets. Streets in the area include Alma Road, Varna Road and Rowan Road, all of which we cover for AHU cleaning. We also cover the places around Deadwater: Lindford (1 mile north-east), Bordon (1 mile west), Hollywater (1 mile south), Standford (1 mile south-east) and Pinewood Village (1 mile north-west). We also work in nearby towns such as Basingstoke (15 miles north-west), Farnborough (13 miles north), Fleet (11 miles north), Aldershot (10 miles north-east), Alton (6 miles north-west) and Petersfield (8 miles south-west).
Local landmarks in Deadwater
Around Deadwater, our work takes us to kitchens and buildings near Weyford Nursery and Primary School. The nearest railway station is Liphook station, roughly 3.6 miles south-east. Well-known places in the area include Chase Community Hospital (0.7 miles south-west). Not far away are Deadwater Valley and Selborne Hill.
Towns and villages near Deadwater
More services for Deadwater
Common problems we fix in Deadwater
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.
Common reasons sites call us include:
- Air handling units due a clean after building work
- Condensate trays that will not empty
- Units that have only ever had filter changes
- Intake sections clogged with outdoor debris
For schools like Mill Chase Academy, the holidays are the usual time to inspect and clean ventilation.
What your quote should include
- What paperwork you get at the end
- Proof of insurance
- Whether VAT is included
- Whether the whole system is included, or only the parts that are easy to reach
Staff cleaning versus specialist work
Your own staff can handle the daily basics: wiping canopies, washing grease filters and recording it in a log. What they can’t safely do is clean inside the ductwork, the fan or the risers, and that is where we come in.
Away from the kitchen, the in-house job is mainly checking: clear grilles, a log of filter changes and reporting anything odd. Cleaning inside ducts and units is specialist work.