Medway · Air handling unit cleaning
Gadshill AHU cleaning
Air handling unit cleaning for commercial sites in Gadshill and across Medway. BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease.
- Dust-coated heating and cooling coils
- Units that have only ever had filter changes
- Intake sections clogged with outdoor debris
What AHU cleaning looks like in Gadshill
There are about 7 schools, colleges and universities and about 5 caring premises (care homes, nurseries and hospitals) on the FSA’s food hygiene register within 1.5 miles or so of the middle of Gadshill. Busy, occupied buildings like these are where clean supply air matters most. Gadshill is about 25 miles from central London, well within the area we cover across London and the South East. Evening, overnight and weekend visits are all possible. French Hospital is the nearest hospital, about 2.4 miles south-east of Gadshill. Clean air matters most where people are unwell, and that is as true in a care home as in a hospital.
For schools like Strood Academy, the holidays are the usual time to inspect and clean ventilation.
Gadshill is about 2 miles north-west of Rochester, in Medway. Every kind of commercial site in Gadshill, we can take on AHU cleaning. We can work out of hours so trading isn’t interrupted. Gadshill is one of 68 places in Medway where we work for commercial clients. Maidstone is in our area too, about 10 miles from Gadshill.
We cover every part of ME3 for AHU cleaning and the roads nearby. AHU cleaning is available to premises on Copperfield Crescent, Charles Dickens Avenue and Gravesend Road and the roads around them. Close by, we work in Higham (1 mile north), Shorne Ridgeway (1 mile west), Shorne (1 mile west), Lower Higham (1 mile north) and Mockbeggar (2 miles north-east). Further out, we also cover Gillingham (6 miles south-east), Chatham (5 miles south-east), Rainham (7 miles south-east), Luton (4 miles south-east), Park Wood (7 miles south-east) and Lordswood (6 miles south-east).
Landmarks near Gadshill
We work in commercial kitchens and buildings around Rede Common, Temple School and Sir John Falstaff Public House. Gadshill’s nearest station is Higham station, about 1.2 miles north. Other landmarks nearby include Rochester Castle (2.2 miles south-east) and French Hospital (2.4 miles south-east). Not far away are Gad's Hill and Rede Common.
AHU cleaning for kitchens and businesses in Gadshill
Think of an AHU clean as a full check-up for the ventilation. 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 rooms that smell stuffy when the system runs and filters that are clogged or overdue, we can help.
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.
Our accreditations include CHAS, SafeContractor and ISO 9001, and we are fully insured. We’re also a BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease, and we have been trading since 2009.
- Where
- Gadshill (ME3)
- Region
- Medway
- Records
- Photo report after every visit
- Price
- Fixed quote, normally within a working day
- When we work
- After hours by arrangement; emergencies any time
- Phone
- 0345 646 2711
- Checked
- 30 October 2026
Nearby places to Gadshill
Also in Gadshill
The process
We are used to working while the site is closed. Evenings, nights and weekends are when much of our work happens, so a kitchen or building can carry on as usual the next day. On site, the work takes half a day to a full day per unit, with large plant planned over several shifts. The timing of a visit to Gadshill is set by you, and the travel is our side of the planning.
- We start with a survey of the unit and a fixed quote for the work.
- The unit is shut down with your site team and the area protected.
- Filters, coils, fan section and casing are cleaned in turn.
- Drain trays are cleared and cleaned and the outlet checked.
- We close up the unit and send the certificate and before and after photos.
Preparing for the visit
- Mention any locked doors, roof access or ceiling voids
- Arrange a key holder or contact on site
- Allow time for equipment near the work to be turned off and cool down
Getting a quote
Here’s what helps us quote: the address, the type of site and when it’s open, a few pictures and the last certificate or report, if there is one. Once you have those, call 0345 646 2711 or drop us a line.
Related advice
Staff cleaning versus specialist work
Keep a record of what your team does. A simple log of filter washes, wipe-downs and checks helps show that the system is managed between specialist visits, next to our reports.
Staff cleaning does not replace a specialist visit; it supports it. Clean filters and tidy surfaces slow the build-up, but the parts you can’t see still need a specialist at the right interval.
What affects the cost of AHU cleaning
Every site gets its own quote. These are the things that affect it:
- Working hours and out-of-hours timing
- Whether we need access equipment or extra panels
- Where the site is and how we reach it
- A single visit or a regular plan
A single site or a whole portfolio, we price it on the same basis: what needs doing, how we get to it and when. The price is fixed before work begins.
Asking for a quote
When you call or email, it’s useful to have:
- The paperwork from the last visit, if you have it
- The site address and the type of premises
- A few general shots of the system
- Any symptoms, from odd noises to smells or leaks
Photos are the quickest way to a quote: the system from a couple of angles, plus any access panels or hatches. Tell us what kind of site it is and when it’s open, and we can price many jobs without a visit.
Managing agents and facilities teams in Gadshill
Records are where multi-site compliance often slips. Each visit produces a dated report with pictures, so you can show an insurer or inspector what was done at each site.
For anyone managing more than one site, we can plan visits across the whole estate and price them together. Every building has its own written report, so records stay tidy.
When to call us in Gadshill
Dirt in an AHU matters in two ways: air quality, since the unit feeds occupied rooms, and performance, since dirt makes it strain. For the people using the building every day, that is the air they breathe for hours on end.
These are the problems we see most often:
- Rooms that smell stuffy when the system runs
- Condensate trays that won’t empty
- Dust built up on fan impellers
- Air handling units never cleaned inside
Healthcare ventilation, from large hospitals like French Hospital (about 2.4 miles south-east) to small clinics, depends on clean filters, coils and ducts.
Questions to ask before booking
- What insurance they carry
- How areas they can’t reach will be recorded
- Whether the whole system is included, or only the parts that are easy to reach
- How they set the interval to the next visit
Different parts, different methods
Heating and cooling coils
Coil fins are close together and catch the dust the filters miss. We clean them with care so the fins are not damaged.
Internal casing and panels
The inside walls and floor of the casing collect dust and debris. Each section is cleaned from the intake through to the outlet.
Common questions in Gadshill
Is Gadshill within the area you cover?
Yes, Gadshill is part of our area, however small the site. Photos of the system and directions to the site help us plan the visit.
Do you work overnight in Gadshill?
Yes. We work evenings, overnight and at weekends. The work in Gadshill can fit around your hours. Tell us your opening hours when you ask for a quote.
Do you offer emergency callouts?
Yes, any time. For anything urgent, such as a fan failure or damage after a fire, ring the 24/7 line, and we’ll advise on what to do next.
What does TR19 mean?
It’s BESA’s specification and the benchmark insurers, fire officers and EHOs look to. It covers how systems are inspected, cleaned and checked and expects a risk-based approach.
Do you clean the ductwork as well?
Yes. We reach the ducts through access panels, and any sections we cannot reach are noted in the report, with new panels fitted where needed.
What should I send you?
Where the site is, what it is and when it’s open, plus pictures of the system and your last certificate or report if you have one.
Does the AHU have to be shut down for cleaning?
Yes, while the clean is under way. Out-of-hours work is available so the building is not left without ventilation when it’s busy.
Do you have insurance?
Yes. Duct Doctor is fully insured, and the details are available on request.
Keeping the system healthy
A little care between visits keeps the system in better shape. We recommend:
- Plan the next inspection before the last report gets filed away
- Report water on the plant room floor
- Keep the certificate and photo report with the plant records
- Don’t store bins or materials near the intake
The report suggests a date for the next inspection or clean, based on what we found. Under TR19® Air the timing is set by inspection and risk, not a fixed calendar.
Have the unit inspected regularly, in line with the risk-based approach of TR19® Air, rather than waiting for a problem.