Portsmouth · Air handling unit cleaning
AHU Cleaning in Hilsea
Specialist AHU cleaning for Hilsea: diagnosis first, then a fixed quote, the work and a report with pictures. Ask us for a fixed quote.
- Dust-coated heating and cooling coils
- Filters that are clogged or overdue
- Stale or musty smells from the ventilation
About our AHU cleaning in Hilsea
A cooling coil drips condensate into a tray that should drain away. When the drain blocks, water sits there and the tray turns slimy, right in the path of the air going into the building. Clearing and cleaning the tray is central to every AHU clean. If you have fan sections that haven’t been cleaned in years and intake sections clogged with outdoor debris, we can help, from supply and extract fans, filter sections and drain trays onwards.
In a smaller place like Hilsea, buildings with ducted ventilation are more likely to be a school, a surgery, a care home or a small business unit than an office block. Even a small system collects dust in its ducts and filters.
Our accreditations include CHAS, SafeContractor and ISO 9001, and we’re fully insured. We are also a BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease, and we’ve been trading since 2009.
- Where
- Hilsea (PO2, PO3, PO6)
- Region
- Portsmouth
- Records
- Written report with pictures
- Quotes
- A fixed quote up front
- Hours
- Evenings, overnight and weekends; 24/7 emergencies
- Call
- 0345 646 2711
- Checked
- 30 October 2026
What AHU cleaning cannot fix
AHU cleaning cannot fix everything, and we’d rather say so up front. It will not put right:
- Ventilation that was badly designed in the first place
- The supply and extract ducts, quoted separately
- Problems with the unit’s controls or sensors
If you are not sure, just give us a ring on 0345 646 2711, or send details by email and we’ll give you a straight answer before booking.
Where we work
- Dampers and louvres
- Drain trays
- Internal panels
- Heating and cooling coils
- Supply and extract fans
- Filter sections
Part by part
Filters
Every AHU relies on its filters to catch dust before it reaches the coils. We check them, and clean or change them as agreed in the quote, and the housing around them is cleaned too.
Fans and fan sections
Build-up on fan blades can upset the balance and add wear. A clean fan runs more smoothly.
When to call us in Hilsea
Filters catch most of the dust, but not all of it. What gets through settles on coils, fans and the inside of the casing, building up layer by layer.
Common reasons sites call us are:
- Rooms that smell stuffy when the system runs
- Dirty fans and fan housings
- Drain trays holding standing water
- Debris and leaves in the fresh air intake
If you manage a school such as Gatcombe Park Primary School, ventilation cleaning is best booked for the holidays.
What to look for in a quote
- What hours they’ll be on site
- Whether they’re fully insured
- Whether a written report and pictures are included
- When the next visit should be, and why
Aftercare tips
Think of this as the after-treatment advice, short and simple:
- Stick to the filter change plan
- Keep the area around the fresh air intake clear
- Report stiff or damaged access doors
- Store the TR19 paperwork where auditors can find it
Once the clean is done, we send a TR19® certificate and a report with before and after pictures. They belong in the plant or maintenance log.
Keep the unit’s doors and panels in working order. If a section is hard to get into, it tends not to get checked.
Hilsea questions
Can you work in Hilsea outside opening hours?
Yes, nights and weekends are routine for us. It means the site in Hilsea keeps running as normal. Just ring 0345 646 2711 or use the quote form with your opening times and we’ll plan around them.
Can a school’s ventilation in Hilsea be done out of term time?
Yes, out-of-term visits are normal for schools. There are about 29 schools, colleges and universities on the FSA’s food hygiene register within about 1.5 miles of Hilsea. Booking early in the term gives the best choice of holiday dates.
What do you need from me for a quote?
Only a few details: the address, the site type, your opening hours and how we reach the system. Photos and any previous paperwork make it quicker. Then give us a ring on 0345 646 2711 or drop us a line.
What happens to the waste?
Anything we remove is contained as we work and taken away with us, including grease, debris and dirty water. None of it is left on site.
Do you work in Hilsea?
Yes. Our area takes in London and the counties of South East England, and that includes Hilsea.
Do you survey before quoting?
Yes, always. We diagnose before we treat: the survey tells us what the system needs and how to reach it and the fixed quote is built on it.
Can you come out in an emergency?
Yes, any time. For anything urgent, such as a fan failure or damage after a fire, ring the 24/7 line and we will talk you through the next steps.
How long will the unit be out of action?
Typically the clean takes half a day to a full day per unit, with large plant planned over several shifts. We plan the shutdown around that, including evenings or weekends.
More services for Hilsea
What affects the quote in Hilsea
The diagnosis comes before the price. The main factors are:
- Whether it’s a one-off visit or part of a schedule
- Travel, parking and unloading
- The condition we find in the survey
- The size of the system
You will not find a price list here, because the cost depends on the site in front of us. Call for a fixed quote, and we’ll talk you through it.
What to send for a quote
Many jobs can be priced from photos and some basics. Send what you can of the following:
- The postcode and the type of business
- Close-ups of filters, grilles, hatches or access panels
- The paperwork from the last visit, if you have it
- Photos showing the whole system and its surroundings
There’s no standard price list, because every site is different. We look at your system first, from photos or on a visit, and then give you a fixed quote. To start, call us on 0345 646 2711 or drop us a line.
What happens on the day
Your trading hours come first. We book the visit for a time the area is closed, whether that’s an evening, overnight or a weekend. When the team arrives, the work area is protected and the relevant equipment is switched off to cool, and the job takes from a few hours for a compact unit to a day or more for a large one. Your opening hours decide when we come to Hilsea, not ours.
- We look at the unit and the plant area during the survey.
- The area is protected and the unit made safe.
- Dirt and debris are removed from each section.
- Coils and trays are cleaned and the condensate drain cleared.
- We close every panel, hand the unit back and send the report and certificate.
How to prepare
- Agree a time when the area can be out of use
- Mention any locked doors, roof access or ceiling voids
- Tell us about site rules, permits or sign-in
Get a fixed quote
Quotes are quick. Call or email with a few details and you’ll normally have a fixed price within one working day. If we need to see the system first, we book a survey around your hours.
Related advice
Leave it or put it right?
Tenants, auditors and owners may want proof that the air handling plant is kept clean. Our certificate and photo report give you clear evidence, for audits, tenants or your own peace of mind. Even a site near Hilsea that’s only busy part of the week needs its system checked on a schedule.
No two sites are the same, so each one gets its own fixed quote. Size, access, the condition of the system and when we can work all play a part.
Why Hilsea businesses choose us
- Full insurance on every job
- CHAS, SafeContractor and ISO 9001
- Member of BESCA Vent Hygiene Elite, cleaning to BESA TR19® Grease
- Survey first, then a fixed quote
Read what affects the cost and our accreditations and certificates.
What AHU cleaning looks like in Hilsea
Food Standards Agency data includes about 29 schools, colleges and universities, about 31 caring premises (care homes, nurseries and hospitals) and about 5 hotels and B&Bs within roughly a mile and a half of the centre of Hilsea. Busy, occupied buildings like these are where clean supply air matters most. About 1.4 miles north of Hilsea is Queen Alexandra Hospital, the nearest hospital. Hospitals show how much a building can rely on its ventilation, and smaller healthcare sites rely on theirs too.
If you manage shops or offices close to Hilsea station, a TR19® Air inspection shows whether the ductwork needs cleaning. Hospitals such as Queen Alexandra Hospital (about 1.4 miles north) show how much a building can rely on clean ventilation, and smaller healthcare sites near Hilsea are no different.
Hilsea is about 2 miles north of Portsmouth, in Portsmouth. If you need AHU cleaning in Hilsea, it’s easy to get a fixed quote: please call us on 0345 646 2711 or drop us a line. We work across South East England and London, Hilsea included. Our area takes in 19 places across Portsmouth, from busy centres to quieter spots.
All of PO2, PO3 and PO6 is covered for AHU cleaning, from busy streets to back roads. AHU cleaning is available to premises on Vita Road, Conan Road and Arras Road and nearby roads. Close by, we work in Cosham (1 mile north), North End (1 mile south-west), Tipner (1 mile south-west), Wymering (1 mile north) and Rudmore (1 mile south-west). Larger places within reach include Southsea (3 miles south), Portsea (3 miles south-west) and Portsmouth Point (3 miles south-west).
What’s near Hilsea
Typical jobs here are in premises near Alexandra Park, Trafalgar School and Coach and Horses pub, among other places. The nearest railway station is Hilsea station, roughly 0.5 miles east of the centre. A little further out are World War I Remembrance Centre (0.8 miles east) and Tricorn Centre (2.1 miles south-west). For a walk, there’s Milton Locks and Portsdown Hill.