Isle of Wight · Air handling unit cleaning
Air handling unit cleaning in Northwood, Isle of Wight
Our technicians work in Northwood on AHU cleaning. Out-of-hours visits, a fixed quote and a written report with pictures as standard.
- Intake sections clogged with outdoor debris
- Odours coming through the supply air
- Dirty fans and fan housings
How we handle AHU cleaning in Northwood
If the units serving a building in Northwood have only had filter changes for years, there may be dirt on the coils, fan and casing that nobody has looked at. A full clean deals with all of it. If you have plant that needs cleaning after a refit and blocked condensate drains and slimy trays, we can put it right.
Somewhere as small as Northwood, ducted ventilation is normally 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.
The sign-off is always in writing: a written report, dated and illustrated with photos, plus a certificate through the BESCA Vent Hygiene Elite portal when the work is a TR19® Grease clean. Any parts we couldn’t reach are recorded on it too.

- Location
- Northwood (PO31)
- Wider area
- Isle of Wight
- Paperwork
- Photo report after each visit
- Price
- A fixed price before any work starts
- When we work
- When your site is closed, plus a 24/7 line
- Phone
- 0345 646 2711
- Last updated
- 30 October 2026
What staff can safely do
Logging matters as much as cleaning. A dated log of in-house cleaning and checks shows an inspector that the system is looked after between visits, next to our reports.
For ventilation and air handling systems, in-house care is mostly about checks: keeping grilles clear, noting unusual noise or smells and logging filter changes. Cleaning inside ducts and units is specialist work.
Keeping the system healthy
Looking after the system between visits is straightforward, and it makes the next visit easier:
- Report stiff or damaged access doors
- Watch for drips or damp patches near the plant
- Check the drain tray is emptying during routine visits
- Do not ignore odours coming through the grilles
If the ductwork hasn’t been cleaned, consider it next. A clean unit feeding dirty ducts only solves half the problem, and we can survey both.
Keep the unit’s doors and panels in working order. If a section is hard to get into, it tends not to get checked.
What a clean won’t put right
An honest diagnosis matters more to us than a booking, so here’s what AHU cleaning will not do:
- Airflow problems caused by the system’s design
- Ductwork downstream of the unit, which is a separate clean
- Mechanical faults with motors, belts or bearings
Not sure which it is? You can give us a ring on 0345 646 2711, or send details by email and we will tell you honestly before booking.
Parts of the system we cover
- Filter sections
- Internal panels
- Supply and extract fans
- Heating and cooling coils
- Dampers and louvres
- Drain trays
What happens if it’s left?
A slimy drain tray only gets worse. Left alone, it can overflow, leak into the plant area or ceiling below and spread smells through the system. Dealing with it early keeps the clean straightforward. If the system at a site near Northwood fails, there may be nowhere nearby to move to.
The cost depends on the size of the system, the condition it’s in and how easy it is to reach. We give you a fixed price before we start, so you know where you stand.
Why book with us
- Ventilation hygiene specialists since 2009
- CHAS and SafeContractor accredited, with ISO 9001
- Member of BESCA Vent Hygiene Elite, cleaning to BESA TR19® Grease
- We are fully insured
See our cost guide and our accreditations.
Northwood: your questions answered
Do you work in villages like Northwood?
Yes. Northwood 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.
Do you do school ventilation cleaning in Northwood in the summer holidays?
Yes. The holidays are the usual time for school work. The FSA’s register shows about 6 schools and colleges with food registrations within roughly a mile and a half of Northwood. Tell us your holiday dates and we’ll book the visit for when the site is empty.
Can we book visits on a schedule?
Yes, of course. Send details of the systems and how they’re used and we’ll propose a schedule with a fixed quote.
What’s included in an AHU clean?
Every section that collects dirt: filters, coils, tray, fan and panels. We confirm the scope after looking at the unit.
How do you protect the area?
We start with protection: floor sheeting and covers over nearby surfaces and equipment. We tidy up and take our waste away before we leave.
Which accreditations do you hold?
Our accreditations are CHAS, SafeContractor and ISO 9001, alongside BESCA Vent Hygiene Elite membership, cleaning to BESA TR19® Grease. Vent Hygiene Elite is run by BESCA and independently audited.
Which sectors do you work in?
Any commercial site with kitchens or ventilation, from a small pub to a hospital. We work with hotels, schools, care homes, offices, retail and leisure sites.
Do you work with multi-site operators?
Yes. Send the list of sites and the work at each and we will quote them together.
Nearby places to Northwood
What else we do in Northwood
What we do, step by step
At the end of the visit, someone from your team can look over the work with us. Anything we couldn’t reach or that needs attention is pointed out there and then, and it goes on the report too. All told, the work takes a single shift for a typical unit, longer for large or heavily soiled ones. For a village or hamlet like Northwood, tell us about narrow lanes, gates and parking when you book.
- We agree a shutdown window that suits the building.
- We take before photos of each section of the unit.
- Filters, coils and internal surfaces are cleaned from intake to discharge.
- We finish with the fan section and the drain tray.
- After photos are taken and the certificate issued.
How to prepare
- Clear the space around the work
- Make sure equipment near the work can be switched off and left to cool
- Mention any parking or loading restrictions
Ask for a quote
Some systems can be priced from pictures; others need a survey. Big or complicated sites, and systems that are hard to see in photos, get a survey first. Either way, the quote is fixed before any work is booked.
Read more
Northwood buildings and their air
Food Standards Agency data includes about 6 schools, colleges and universities, about 7 care, childcare and hospital premises and about 8 hotels and B&Bs in Northwood and the streets around it, up to about 1.5 miles out. Where buildings like these have air handling units, filters, coils and drain trays need regular attention. St Mary's Hospital is the nearest hospital, about 2.4 miles south of Northwood. Clean air matters most where people are unwell, and that’s as true in a care home as in a hospital.
School buildings such as Northwood Primary School are normally done in the holidays, so classrooms aren’t disturbed.
Northwood is about 1 mile south of Cowes, in the Isle of Wight. Anywhere in PO31, we can take on AHU cleaning. Our the Isle of Wight coverage runs to 125 places, Northwood among them. There’s also a page for Portsmouth, roughly 11 miles from Northwood.
Every address in PO31 is covered for AHU cleaning, from busy streets to back roads. If you need AHU cleaning at premises on Nodes Road, Wyatts Lane and Uplands Road or a nearby road, we can help. Nearby, we also carry out AHU cleaning in Rew Street (1 mile west), Gurnard (1 mile north), Cowes (1 mile north), Noke Common (2 miles south) and Parkhurst (2 miles south). Further out, we also cover Newport (3 miles south), Ryde (7 miles east), Sandown (9 miles south-east), Shanklin (10 miles south-east), Ventnor (11 miles south-east) and Oakfield (7 miles east). For island and remote sites, a little more planning is needed, so let us know when you get in touch.
Landmarks near Northwood
Around Northwood, our work takes us to kitchens and buildings near Cowes Enterprise College and The Travellers Joy pub, among other places. Nearby you will also find Isle of Wight Natural History Centre (0.5 miles north) and West Cowes Castle (1.7 miles north). Open spaces near Northwood include Mill Hill and Briddlesford Nature Reserve.
Multi-site and managed buildings
Facilities teams in offices, schools and healthcare sites book us too in Northwood and across the Isle of Wight. Larger estates can be phased building by building to keep disruption down.
If you look after several sites, we can plan visits across the whole estate and price them together. Every building has its own written report, so each one has its own record.
Signs you need AHU cleaning in Northwood
An overdue filter loads up with dirt, cutting airflow and sometimes letting dirty air bypass them altogether. Then the rest of the unit takes the load.
Most sites get in touch after spotting something like this:
- Filters that are clogged or overdue
- Fan sections that haven’t been cleaned in years
- Odours coming through the supply air
- Condensate trays that will not empty
If you run a surgery, dental practice or care home near Northwood, clean ventilation matters as much to you as to a hospital like St Mary's Hospital (about 2.4 miles south).
Comparing quotes
- Proof of insurance
- Whether the whole system is included, or only the parts that are easy to reach
- Whether a survey comes first
- Whether the figure could change on the day