Surrey · Air handling unit cleaning
AHU Cleaning in Thorncombe Street
For AHU cleaning in Thorncombe Street, one call is all it takes: survey, fixed quote, work and sign-off. CHAS and SafeContractor accredited, ISO 9001 and fully insured.
- Debris and leaves in the fresh air intake
- Rooms that smell stuffy when the system runs
- Dirty fans and fan housings
What happens on the day
Our technicians bring everything the work needs, including protection sheets, the right tools and access kit. All we need from you is clear access and the right equipment switched off. The visit takes one overnight shift for many single units, with bigger plant phased. Somewhere as small as Thorncombe Street, the date and timings are agreed with you well before the day.
- First we agree when the unit can be switched off, including evenings or weekends.
- We take before photos of each section of the unit.
- We work through the unit from the intake to the outlet.
- We finish with the fan section and the drain tray.
- We take after photos and issue the certificate and report.
Preparing for the visit
- Allow time for equipment near the work to be turned off and cool down
- Let us know when the site is closed or quiet
- Mention any locked doors, roof access or ceiling voids
Get a fixed quote
Photos are the quickest way to a quote: wide shots of the system, close-ups of anything that worries you and how we’d get to it. Add the site type and your opening hours, and we can price many jobs without a visit.
Related advice
About our AHU cleaning in Thorncombe Street
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’re dealing with leaves and litter drawn into the unit and dirty fans and fan housings, we can put it right, from internal panels, heating and cooling coils and drain trays onwards.
Somewhere as small as Thorncombe Street, ducted ventilation is typically limited to a school, a care home, a surgery or a converted business building, wherever there is one, but where it’s fitted, it needs the same inspection and cleaning as anywhere.
Think of the report as the system’s health record: dated, with pictures, and showing what was done. Grease extract cleans are also certificated to TR19® Grease through the BESCA VHE portal and sits alongside the report.
- Place
- Thorncombe Street (GU5)
- Region
- Surrey
- Records
- Photo report after every visit
- Price
- Fixed quote, normally within a working day
- Working hours
- When your site is closed, plus a 24/7 line
- Phone
- 0345 646 2711
- Updated
- 30 October 2026
Places near Thorncombe Street
Also in Thorncombe Street
Why act early in Thorncombe Street
Leave an AHU uncleaned and the dirt doesn’t stay put. It moves on into the ductwork and out into the rooms, so cleaning the ducts without the unit only goes so far. It’s worth booking a check, because nobody sees inside a duct day to day.
Working hours, access and the scale of the site all affect the cost. We take each of them into account, and the price is fixed before we start.
Why Thorncombe Street businesses choose us
- Fixed quotes, usually within one working day
- Survey first, then a fixed quote
- In business since 2009
- One number for every site across the South East and London
See how cleaning jobs are priced or our accreditations and certificates.
Thorncombe Street: your questions answered
Is Thorncombe Street within the area you cover?
Yes, we work in villages as well as towns, and Thorncombe Street is covered. Let us know about access, parking and anything unusual about getting there when you book.
Can you come to Thorncombe Street after we close?
Yes, evening, overnight and weekend work is normal for us. The work in Thorncombe Street can fit around your hours. Let us know the hours you’re closed and we’ll book within them.
Do you need to switch the unit off?
Yes, while the clean is under way. We can work evenings, overnight or at weekends to keep disruption down.
Will you repair the fan or motor?
We clean the unit and flag faults rather than repair them, with pictures where it helps.
What do you clean inside the unit?
Filters, coils, drain trays, the fan and the internal surfaces are all covered. What happens to the filters is agreed when we quote.
Do you clean the ductwork as well?
Yes. Ductwork is cleaned through access panels, with anything inaccessible recorded, and new panels can be fitted.
Are you accredited?
Our accreditations are CHAS, SafeContractor and ISO 9001, and we are a BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease. The Vent Hygiene Elite scheme is run by BESCA and audited independently.
What happens to the waste?
It leaves the site with us when we go. During the work, it’s contained to keep the area clean.
For landlords and multi-site operators
Managing agents often deal with us directly. Send the address, what’s needed and how access works, and we’ll send a fixed quote.
Keeping records across a portfolio is half the battle. Each visit produces a dated report with photos, so you can show an insurer or inspector what was done at each site.
Honest limits
We’ll always give you a straight diagnosis, so here’s what AHU cleaning will not do:
- Building management system faults
- Coils that are corroded or leaking and need replacing
- Breakdowns that need a mechanical engineer
If in doubt, ring 0345 646 2711 or use the quote form and we’ll say what we think before booking.
What we work on in Thorncombe Street
- Heating and cooling coils
- Internal panels
- Drain trays
- Dampers and louvres
- Filter sections
- Supply and extract fans
AHU cleaning in Thorncombe Street: local notes
About 2.4 miles west of Thorncombe Street is Milford Hospital, the nearest hospital. Healthcare ventilation is a good example of why supply ducts need inspecting: the air goes straight to patients. About 31 miles out from central London, Thorncombe Street is part of the South East area we work across. The visit is fixed around your opening hours, not ours.
Milford Hospital, about 2.4 miles west, is the nearest hospital to Thorncombe Street, and healthcare sites of every size need their supply air kept clean.
Thorncombe Street is about 5 miles south of Guildford, in Surrey. We provide AHU cleaning for commercial premises of every kind in Thorncombe Street and the rest of Surrey. Our Surrey coverage runs to 395 places, Thorncombe Street among them.
Postcode districts we cover here for AHU cleaning: GU5. Streets in the area include Thorncombe Street and Alldens Hill, and we cover them all for AHU cleaning. We also cover the places around Thorncombe Street: Munstead Heath (1 mile west), Birtley Green (1 mile north-east), Grafham (1 mile east), Hascombe (1 mile south) and Bramley (2 miles north-east). We also work in nearby towns such as Guildford (5 miles north), Woking (10 miles north), Camberley (13 miles north-west), Farnham (10 miles west), Dorking (11 miles east) and Frimley (12 miles north-west).
What’s near Thorncombe Street
Thorncombe Street’s nearest station is Godalming station, about 2.3 miles north-west. Well-known places in the area include Milford Hospital (2.4 miles west) and Godalming Museum (2.2 miles north-west). Not far away are Farncombe Wood and Hydon's Ball.
Do you need AHU cleaning in Thorncombe Street?
No filter stops everything. What gets through settles on coils, fans and the inside of the casing, a little more each month.
Look out for any of the following:
- Dust built up on fan impellers
- Intake sections clogged with outdoor debris
- Air handling units never cleaned inside
- Drain trays holding standing water
For schools like Godalming College, the holidays are the usual time to inspect and clean ventilation.
Questions to ask before booking
- Proof of accreditation you can verify
- How VAT is shown on the quote
- How they set the interval to the next visit
- Whether the work can be done while the site is closed
How the job changes from site to site
Internal casing and panels
Access doors and panels are opened in turn and closed properly afterwards before the unit is handed back.
Heating and cooling coils
Cooling coils stay damp in use, so dirt on them can turn sticky. The coil and its drain tray are cleaned as one job.
Aftercare tips
Simple habits between visits make a real difference. Our advice:
- Keep the area around the fresh air intake clear
- Keep inspection doors on the unit in good order
- Check the drain tray is emptying during routine visits
- Keep filter changes on time and recorded
The ducts served by the unit may need attention too. Cleaning the unit and ducts together gives the best result, and we can quote for both.
Regular inspection under TR19® Air shows when cleaning is due, rather than waiting for a problem.