Essex · Air handling unit cleaning
AHU Cleaning in Netteswell
AHU cleaning in Netteswell from ventilation hygiene specialists trading since 2009. Out-of-hours visits and 24/7 emergency callout.
- Debris and leaves in the fresh air intake
- Filters that are clogged or overdue
- Dust built up on fan impellers
Do you need AHU cleaning in Netteswell?
Whatever surrounds a building in Netteswell, the air drawn into its AHU carries dust, pollen and debris. The intake section and first filters take the brunt, and some travels further into the unit.
What we are most often called out for:
- Fan sections that haven’t been cleaned in years
- Air handling units due a clean after building work
- Intake sections clogged with outdoor debris
- Dust-coated heating and cooling coils
Healthcare ventilation, from large hospitals like Princess Alexandra Hospital (about 0.8 miles west) to small clinics, depends on clean filters, coils and ducts.
What to look for in a quote
- Whether the work can be done while the site is closed
- Whether the price is fixed
- How areas they can’t reach will be recorded
- Proof of insurance
AHU cleaning in Netteswell, done properly
All the building’s air passes through the fan, so dust on its blades and housing ends up in the airstream. We clean the fan section along with the rest of the unit, once the unit has been shut down and isolated. The work covers heating and cooling coils, drain trays and filter sections, and the jobs we see most are debris and leaves in the fresh air intake and air handling units never cleaned inside.
Around a place like Netteswell, ventilation systems tend to be in schools, surgeries, care homes and workplaces. Even a small system collects dust in its ducts and filters.
Every visit ends with a written report and pictures, so you have a record of what was done and when. Where the work is a TR19® Grease clean, the certificate is issued through the BESCA Vent Hygiene Elite portal.
- Place
- Netteswell (CM20, CM18, CM19)
- Wider area
- Essex
- Records
- Report and pictures after the visit
- Price
- A fixed quote up front
- Working hours
- Nights, weekends or holidays to suit you
- Call
- 0345 646 2711
- Reviewed
- 30 October 2026
What happens if it’s left?
Dirt left in an air handling unit does not stay in the unit. It moves on into the ductwork and out into the rooms, so cleaning the ducts without the unit only goes so far. You choose the date of a planned visit, and a breakdown never asks.
Whatever the type of site, the quote works the same way: how much there is, how we reach it, what state it’s in and when we can work. Ask for a fixed quote and we will explain each part.
Why Netteswell businesses choose us
- In business since 2009
- A BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease
- Every job surveyed first
- Fully insured
Take a look at what affects the cost or our accreditations.
How the visit works
Your staff do not need to do much on the day. A contact on site lets us in at the agreed time and points us to the system, and we take it from there. Before we leave, the area is tidied and the paperwork follows. Around Netteswell, access is normally simpler than in a town centre, though gates and roof access are worth mentioning.
- We survey the unit from photos or on site and agree what’s included.
- We arrange the shutdown with your staff and sheet the area.
- Filters are dealt with as agreed, and the coils, fan and casing cleaned.
- We clean out the drain tray and make sure it drains.
- We close up the unit and send the certificate and before and after pictures.
Preparing for the visit
- Make sure equipment near the work can be switched off and left to cool
- Tell us about site rules, permits or sign-in
- Tell us the best time to work, such as after service or at a weekend
Getting a quote
Photos are the quickest way to a quote: the system from a couple of angles, plus any access panels or hatches. Add the site type and your opening hours, and many jobs can be priced from that alone.
Related advice
Netteswell buildings and their air
Food Standards Agency data includes about 29 schools, colleges and universities, about 36 caring premises (care homes, nurseries and hospitals) and about 5 hotels and B&Bs within about 1.5 miles of central Netteswell. Where buildings like these have air handling units, filters, coils and drain trays need regular attention. About 0.8 miles west of Netteswell is Princess Alexandra Hospital, the nearest hospital. If you run a surgery, clinic or care home, your ventilation deserves the same care as a hospital’s, on a smaller scale. At about 21 miles from central London, Netteswell sits well inside the area we cover. Evening, overnight and weekend visits are all possible.
If you manage shops or offices close to Harlow Town station, a TR19® Air inspection shows whether the ductwork needs cleaning. School buildings such as Freshwaters Primary Academy are usually done in the holidays, so classrooms are not disturbed.
Netteswell is about 1 mile west of Harlow, in Essex. We carry out AHU cleaning for commercial premises of every kind in Netteswell and the rest of Essex. We cover 644 places across Essex, large and small. There’s also a page for Chelmsford, roughly 16 miles from Netteswell.
Work in CM20, CM18 and CM19 is surveyed, quoted and booked the same way as anywhere else. Local streets include Park Lane, School Lane and Maddox Road, and we cover them all for AHU cleaning. Netteswell is on the A1019, so it’s easy for us to get to for AHU cleaning. Close by, we work in Harlow (1 mile east), Mark Hall South (1 mile east), Mark Hall North (1 mile north-east), Latton (1 mile south-east) and Bush Fair (1 mile south). Larger places within reach include Brentwood (13 miles south-east), Loughton (9 miles south), Waltham Abbey (7 miles south-west), Great Dunmow (13 miles north-east), Epping (5 miles south) and Stansted Mountfitchet (10 miles north-east).
Near you in Netteswell
Typical jobs here are in premises near Brays Grove, BMAT STEM Academy and Garden Tiger pub and the streets around them. For rail, the closest station is Harlow Town station, roughly 0.8 miles north-west of the centre. Other landmarks nearby include Harlow Mill (1.6 miles north-east) and Princess Alexandra Hospital (0.8 miles west). Open spaces near Netteswell include Hunsdon Mead.
Netteswell: your questions answered
Do you work at weekends in Netteswell?
Yes, we can come after you close and finish before you open. The work in Netteswell can fit around your hours. Let us know the hours you are closed and we will book within them.
Can a school’s ventilation in Netteswell be done out of term time?
Yes. Half-terms and the summer break are the natural time for school work. Food Standards Agency records list about 29 schools, colleges and universities with registered kitchens within about a mile and a half of Netteswell. You can ring 0345 646 2711 or email us with the dates the site is empty.
Is there a report after cleaning?
Yes, a TR19® certificate and a photo report. It includes a recommended date for the next check.
How long will the unit be out of action?
As a guide, it takes from a few hours for a compact unit to a day or more for a large one. We plan the shutdown around that, out of hours if needed.
How much notice do you need?
The more notice, the better, especially for out-of-hours work. Quotes usually come back within one working day, and there’s a 24/7 line for emergencies.
Will you repair the fan or motor?
The clean includes noting faults, but repairs sit with your maintenance contractor, with photos where it helps.
Can one contract cover all our sites?
Yes. We work across South East England and London, so we can schedule a run of sites on one programme. Every site has its own report.
Do you clean the ductwork as well?
Yes. We clean supply and extract ductwork to TR19® Air as well. It’s often worth doing both at once, and we can quote for both.
What the work involves, part by part
Drain trays
A tray that doesn’t drain becomes a pool of stagnant water in the airstream. We clean it and report anything about the tray or drain that needs fixing.
Rooftop and plant room units
Smaller units in ceiling voids are part of the work as well. The space underneath is protected with sheeting first.
Also near Netteswell
More services for Netteswell
Looking after it afterwards
To keep the system working properly between visits:
- Watch for drips or damp patches near the plant
- Plan the next inspection before the last report gets filed away
- Report stiff or damaged access doors
- Store the TR19 paperwork where auditors can find it
Keep filter changes on schedule between cleans, as that does more than anything to keep the unit clean. Log every change so it’s easy to see when the next is due.
Keep the unit’s doors and panels in working order. Sections that are awkward to open are the ones that get skipped.
What AHU cleaning cannot fix
We’ll always give you a straight diagnosis, so here’s what this work cannot put right:
- Faulty motors, drives or bearings
- Building management system faults
- Dirty ducts beyond the unit itself
If you are not sure, just call us on 0345 646 2711 or drop us a line and we will give you a straight answer.
Where we work
- Supply and extract fans
- Internal panels
- Dampers and louvres
- Drain trays
- Filter sections
- Heating and cooling coils
How we price AHU cleaning
The price is fixed before any work begins. It takes into account:
- Access, including roofs, risers and ceiling voids
- Site requirements such as sign-in and permits
- Working hours and out-of-hours timing
- Whether it’s a one-off visit or part of a schedule
One small site or a whole estate, the quote is built the same way: the work involved, the access and the timing. The price is fixed before we start.
Asking for a quote
A few details help us quote accurately. When you get in touch, it helps to send:
- The roof, plant room or outside wall the system runs to
- Any symptoms, from odd noises to smells or leaks
- Wide photos of the system and the area around it
- Your last certificate, test record or report
For AHU cleaning in Netteswell, call us on 0345 646 2711, or send details by email. Tell us what kind of premises it is and when it’s open, plus pictures or the previous report if they’re to hand. We typically send a fixed quote within one working day.