Surrey · Air handling unit cleaning
Old Woking AHU cleaning
AHU cleaning for Old Woking, from a team that has been trading since 2009. Evenings, overnight and weekends, plus a 24/7 emergency line.
- Plant that has been serviced but not cleaned
- Drain trays holding standing water
- Leaves and litter drawn into the unit
Your questions about AHU cleaning in Old Woking
Can you work in Old Woking outside opening hours?
Yes, nights and weekends are routine for us. The work in Old Woking can fit around your hours. Just give us a ring on 0345 646 2711, or email photos with your opening times and we will plan around them.
Do you work in villages like Old Woking?
Yes, smaller places are covered as well as towns. Let us know about access, parking and anything unusual about getting there when you book.
How do you keep the site clean during the work?
Protection goes down first: sheeting over floors, worktops and anything close to the work. We tidy up and take our waste away before we leave.
Where does the waste go?
We take it away when we go. During the work, it’s contained so the area stays clean.
Do you repair air handling units?
Motors, belts, controls and coils that need repair are a job for your maintenance contractor. We’ll flag anything we notice during the clean.
What does TR19 mean?
A BESA specification in two main parts: TR19® Grease for kitchen extracts and TR19® Air for supply and extract systems. It isn’t legislation, but it’s the standard people check against.
Do you offer maintenance contracts?
Yes. Scheduled maintenance plans are part of what we do, set at the interval the system needs. Each report recommends when the next visit should be.
Do you offer emergency callouts?
Yes, day and night, every day of the year. Our office is open from 8am to 6pm on weekdays, with the emergency line covering every other hour.
AHU cleaning in Old Woking, done properly
Heating and cooling coils trap dust that gets past the filters. A coated coil restricts airflow and makes the unit work harder. We clean coils with methods suited to their condition, taking care not to damage the fins. Typical jobs include dust-coated heating and cooling coils and stale or musty smells from the ventilation, across filter sections, heating and cooling coils and internal panels.
In rural areas, ventilation units are often in roof voids or outbuildings, which makes them easy to overlook.
Accreditations are easy to claim and worth checking. Ours are BESCA Vent Hygiene Elite membership, cleaning to BESA TR19® Grease, plus CHAS, SafeContractor and ISO 9001, and we’re fully insured.
- Where
- Old Woking (GU22, GU23)
- Wider area
- Surrey
- Paperwork
- Photo report after each visit
- Quote
- Fixed quote, usually within a working day
- When we work
- Out of hours as standard, 24/7 emergency line
- Phone
- 0345 646 2711
- Reviewed
- 30 October 2026
Places near Old Woking
Other services in Old Woking
Between visits
Results last longer with the right care. We suggest:
- Flag stale or damp smells in the supply air
- Stick to the filter change plan
- Report water on the plant room floor
- Keep the certificate and photo report with the plant records
Once the clean is done, we send a TR19® certificate and a report with before and after pictures. Keep both with the building’s maintenance records.
Have the unit inspected regularly, in line with the risk-based approach of TR19® Air instead of leaving it to guesswork.
In-house cleaning or a specialist?
For ventilation and air handling systems, in-house care is mostly about checks: clear grilles, a log of filter changes and reporting anything odd. Cleaning inside ducts and units is specialist work.
In-house cleaning and specialist cleaning do different jobs. A daily filter wipe and a weekly filter wash keep grease down at the front of the system, but they don’t reach the grease that builds up further in. That part needs specialist access and equipment.
What the work involves, part by part
Internal casing and panels
Damaged internal linings or loose panels can shed material into the air. Anything like that is recorded with photos.
Heating and cooling coils
Cooling coils stay damp in use, so dirt on them can turn sticky. We clean the coil and the tray beneath it together.
What affects the quote in Old Woking
Before we fix a price, we need to know a few things. We look at:
- Working hours and out-of-hours timing
- Travel, parking and unloading
- How easy every part is to reach
- What state the system is in
The cost depends on how big the system is, what state 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.
What to send for a quote
Before you ask for a quote, gather:
- Where the site is and what kind of site it is
- Detail shots of panels, filters and grilles
- When the site is open and when it’s quiet
- Wide pictures of the system and the area around it
To get a fixed quote, give us a ring on 0345 646 2711 or drop us a line 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 will usually have a quote within one working day.
Do you need AHU cleaning in Old Woking?
Planned maintenance often covers belts, motors and filters but not cleaning. That means a unit can tick every service box and still be carrying years of dirt.
Common reasons sites call us include:
- Air handling units due a clean after building work
- Drain trays holding standing water
- Units that have only ever had filter changes
- Dirty filters cutting the airflow
Hospitals such as Woking Community Hospital (about 1.2 miles north-west) show how much a building can rely on clean ventilation, and smaller healthcare sites near Old Woking are no different.
Comparing quotes
- Whether a written report and photos are included
- What insurance they carry
- Which accreditations they hold, and whether you can check them
- If they look at the system before pricing
Ventilation in Old Woking buildings
Food Standards Agency records list about 12 schools, colleges and universities, about 7 care, childcare and hospital premises and about 3 hotels and B&Bs registered as food businesses in Old Woking and the streets around it, up to about 1.5 miles out. Many buildings of this kind have supply and extract ductwork that gathers dust and needs inspecting. Old Woking, about 23 miles from central London, is within our usual area. Visits are booked around your hours, evenings and weekends included. Old Woking’s nearest hospital, Woking Community Hospital, is about 1.2 miles north-west. Clean air matters most where people are unwell, and that’s as true in a care home as in a hospital.
If you manage a school such as Kingfield Primary School, ventilation cleaning is best booked for the holidays.
Old Woking is about 2 miles south-east of Woking, in Surrey. We carry out AHU cleaning for commercial premises of every kind in Old Woking and the rest of Surrey. Across Surrey, we cover 395 places, Old Woking among them.
Our technicians cover all of the GU22 and GU23 postcode area for AHU cleaning and the roads nearby. Whether your site is on Ford Road, Farm Road and High Street or anywhere close by, our technicians can take on the work. We also cover Westfield (1 mile west), Pyrford Village (2 miles north-east), Woking (2 miles north-west), Pyrford (2 miles north-east) and Horsell (2 miles north-west). Within a short drive, we also cover Guildford (4 miles south), Camberley (9 miles west), Epsom (12 miles east), Farnham (13 miles south-west), Ewell (13 miles east) and Egham (9 miles north).
Near you in Old Woking
Typical jobs here are in premises near St John the Baptist School, St John the Baptist Catholic Comprehensive School and The New Inn. The closest station to Old Woking is Woking station, roughly 1.4 miles north-west. Other landmarks nearby include The Peacocks (1.5 miles north-west) and Woking Community Hospital (1.2 miles north-west). The countryside around Old Woking includes Pewley Hill and Boldermere Lake.
What a clean won’t put right
To be straight with you, there are a few things this work will not fix:
- Dirty ducts beyond the unit itself
- A system that is undersized for the building
- Damaged coils beyond cleaning
If you are not sure, just phone us on 0345 646 2711 or send us an email and we’ll give you a straight answer.
What we work on in Old Woking
- Filter sections
- Supply and extract fans
- Dampers and louvres
- Internal panels
- Drain trays
- Heating and cooling coils
How the visit works
Each visit runs to the same pattern: protect the area, isolate whatever needs isolating, carry out the AHU cleaning, tidy up and hand over the paperwork. The visit itself takes from a few hours for a compact unit to a day or more for a large one. The timing of a visit to Old Woking is set by you, and the travel is our side of the planning.
- We agree a shutdown window that suits the building.
- Before cleaning, each section is photographed.
- Filters, coils and internal surfaces are cleaned from intake to discharge.
- We finish with the fan section and the drain tray.
- We take after photos and issue the certificate and report.
Before we arrive
- Tell us about access, such as roof hatches, plant rooms, ceilings or locked areas
- Plan for cooking equipment or plant to be off before we arrive
- Let us know about permits to work or site inductions
How to get a quote
Quoting starts with a diagnosis, from your photos 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 work begins.