Hampshire · Air handling unit cleaning
Grateley AHU cleaning
Professional AHU cleaning in and around Grateley, booked around your opening hours and finished with a written report and photos.
- Debris and leaves in the fresh air intake
- Filters that are clogged or overdue
- Units that have only ever had filter changes
How we handle AHU cleaning in Grateley
An AHU clean is a thorough examination and treatment of the unit. We look inside each section, clean what we find and record it with photos, so you can see the unit’s condition for yourself. If you have coils clogged with dust and debris and dirty fans and fan housings, we can help, from heating and cooling coils, dampers and louvres and drain trays onwards.
Rural buildings with mechanical ventilation, such as care homes and country hotels, often keep their units in roof spaces or outbuildings, where filters and drain trays get forgotten.
Good records are part of the job. You get a written report with photos after every 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 ready for an insurer, fire officer or EHO.
- Where
- Grateley (SP11)
- Region
- Hampshire
- Records
- Photo report after each visit
- Price
- A fixed quote up front
- When we work
- Overnight and weekend work, 24/7 emergency callout
- Call
- 0345 646 2711
- Checked
- 30 October 2026
What happens on the day
Protection comes first: 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. Rural roads and tight entrances are worth telling us about before a visit to Grateley.
- 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.
- Coils and trays are cleaned and the condensate drain cleared.
- The unit is closed up and handed back, with a report to follow.
Before we arrive
- Mention any parking or loading restrictions
- Arrange a key holder or contact on site
- Clear loose items from the work area
Ask for a quote
Photos are enough for some jobs, while others need a look on site. Larger sites, and anything hidden behind walls, ceilings or floors, are normally surveyed first. Either way, you get a fixed price before any work starts.
Read more
How we price AHU cleaning
A fixed price needs a few facts first. We check:
- Whether we need access equipment or extra panels
- Any permits to work or inductions
- The size of the system
- Whether several sites go on one quote
The cost depends on the size of the system, the condition it’s in and access to every part of it. We give you a fixed price before we start, so you know where you stand.
Helping us quote
When you contact us, it’s useful to have:
- How we’d reach plant on a roof or in a plant room
- A few general shots of the system
- The times we could work without disrupting the site
- Problems your staff have spotted
We do not publish a price list, because no two systems are the same. Instead, we look at your site first, from pictures or a survey, then send a fixed quote. To start, ring 0345 646 2711 or email us.
Also in Grateley
Leave it or put it right?
A clogged coil or dirty fan makes the unit work harder for the same airflow. The result is extra wear and a building that doesn’t feel as comfortable, and a planned clean is far less disruptive than a breakdown. Equipment tucked in a roof space or outbuilding near Grateley rarely gets looked at unless someone books it.
Putting the work off seldom saves money. Build-up, wear and faults tend to get worse, not better, and a neglected system can mean more work. If you’re unsure, phone us on 0345 646 2711, or email photos and we’ll give you an honest view and a fixed quote.
Why choose Duct Doctor in Grateley
- One contact for all your sites in London and the South East
- Each visit written up, with photos
- In business since 2009
- Work around your opening hours, with 24/7 emergency cover
Take a look at our cost guide and our accreditations.
What a clean won’t put right
AHU cleaning can’t fix everything, and we’d rather say so up front. It will not put right:
- Leaking heating or cooling coils
- Faulty motors, drives or bearings
- Ventilation that was badly designed in the first place
If you’re not sure, just phone us on 0345 646 2711, or email photos and we will give you a straight answer.
Parts of the system we cover
- Internal panels
- Filter sections
- Drain trays
- Dampers and louvres
- Heating and cooling coils
- Supply and extract fans
Questions from Grateley
Do you work overnight in Grateley?
Yes, we can come after you close and finish before you open. It means the site in Grateley keeps running as normal. Let us know the hours you are closed and we will book within them.
Do you work in villages like Grateley?
Yes. Grateley is within the area we cover across London and the South East. Photos of the system and directions to the site help us plan the visit.
Do you clean the ductwork as well?
Yes, supply and extract ducts, grilles and diffusers. The survey shows whether the ducts need cleaning now.
How do you keep the site clean during the work?
We start with protection: sheeting over floors, worktops and anything close to the work. The area is left tidy, with our waste taken away.
How much notice do you need?
For planned work, earlier is better, particularly if your next visit is nearly due. For emergencies, we take calls 24/7.
What do you do with what you remove?
It’s contained and taken away. We collect grease, debris and waste water as we go, so it doesn’t spread.
What types of premises do you cover?
We work for restaurants, pubs, hotels, schools, colleges, hospitals, care homes, offices and shops, as well as food production and leisure sites.
How much does AHU cleaning cost in Grateley?
We do not publish prices, because the cost depends on the job: the size of the system, its condition, access and when we can work. You get a fixed price before we start.
Signs you need AHU cleaning in Grateley
No filter stops everything. The fine dust that passes the filters lands on the coils, the fan and the internal panels, a little more each month.
These are the problems we see most often:
- Drain trays holding standing water
- Odours coming through the supply air
- Dirty fans and fan housings
- Units needing a clean before a new tenant or handover
If you manage a school such as Grateley Primary School, ventilation cleaning is best booked for the holidays.
Questions to ask before booking
- Their accreditations, such as BESCA Vent Hygiene Elite, CHAS or SafeContractor
- Whether the price is fixed
- When they can work, and whether that’s outside your opening hours
- Whether they’re fully insured
Multi-site and managed buildings
We also work for facilities teams across offices, schools and healthcare in Grateley and across Hampshire. Work can be phased by floor, building or site to keep disruption down.
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 on a regular cycle.
AHU cleaning around Grateley
Andover War Memorial Hospital is the nearest hospital, about 5.4 miles north-east of Grateley. If you run a surgery, clinic or care home, your ventilation deserves the same care as a hospital’s, on a smaller scale.
If you manage offices or shops near Grateley station, their ventilation can be inspected and cleaned out of hours. Healthcare ventilation, from large hospitals like Andover War Memorial Hospital (about 5.4 miles north-east) to small clinics, depends on clean filters, coils and ducts.
Grateley is about 6 miles south-west of Andover, in Hampshire. Every kind of commercial site in Grateley, AHU cleaning is something we can help with. Visits can be booked for evenings, overnight or weekends so the site keeps running. Grateley is one of 683 towns, villages and districts in Hampshire where we work for AHU cleaning. Southampton is in our area too, about 20 miles from Grateley.
We work across the SP11 postcode area for AHU cleaning and the roads nearby. We cover sites on High Street, Station Road and Hawthorne Close and the roads around them. Other places close to Grateley include Palestine (1 mile south-west), Quarley (1 mile north), Fox (1 mile north-east), Amport (2 miles north-east) and Kentsboro (2 miles south-east). We also work in nearby towns such as Winchester (15 miles south-east), Andover (6 miles north-east), Romsey (14 miles south-east), Hyde (15 miles south-east), Tidworth (5 miles north-west) and Weeke (14 miles south-east).
Around Grateley
Locally, jobs take us to businesses close to The Plough Inn, among other places. Grateley’s nearest station is Grateley station, roughly 0.9 miles south-west. Other landmarks nearby include Andover War Memorial Hospital (5.4 miles north-east). For a walk, there’s Winterbourne Downs RSPB reserve and Quarley Hill.
Looking after it afterwards
Here’s the after-treatment advice, in brief:
- Report musty smells from the vents straight away
- Diary the inspection date recommended in the report
- Keep inspection doors on the unit in good order
- Report water on the plant room floor
The report suggests a date for the next inspection or clean, based on what we found. TR19® Air is risk-based, so the interval depends on the unit and how the building is used.
Make sure access doors and panels on the unit open easily. Sections that are awkward to open are the ones that get skipped.