Portsmouth · Air conditioning servicing
Air con servicing in Cosham
Air conditioning servicing in Cosham from an F-Gas certified company, with the manufacturer’s warranty terms explained on your quote. We reply to enquiries the same working day.
- Ice forming on the pipework or outdoor unit
- New noises from the indoor or outdoor unit
- Warning lights on the indoor unit
Air conditioning servicing in Cosham
Servicing does not mean topping up refrigerant. Refrigerant runs in a sealed circuit and shouldn’t need adding to. Where the checks suggest gas has been lost, the right step is to find the leak, and we will set out how. If the problem is a unit showing a fault code and a musty or damp smell when the unit starts, we can help.
In a place like Cosham, the outdoor unit often sits near a garden, hedge or trees, so the outdoor coil can clog with leaves and seeds. Every service includes cleaning it.
Looking after a system is mostly common sense: keep the outdoor unit clear, follow the manufacturer’s guidance on cleaning and book a service at the interval they recommend. That also helps where the warranty terms ask for regular servicing.
- Place
- Cosham (PO6, PO3, PO2)
- Region
- Portsmouth
- Certified
- NICEIC and F-Gas
- Price
- A fixed price before any work starts
- Enquiries
- We reply the same working day
- Costs
- Yearly service from £95 + VAT
- Phone
- 07833 053749
- Updated
- 30 October 2026
Common questions in Cosham
How often should air conditioning in Cosham be serviced?
Typically once a year for homes, more often for busy business systems. Business systems may also need F-gas leak checks, at least every 12 months from 5 tonnes CO2 equivalent.
Does sea air affect air conditioning in Cosham?
It can, as Cosham is within about 1 mile of the sea, where salt in the air is hard on coils and fixings. Regular servicing, with the outdoor coil cleaned and checked, helps a coastal system last.
Does my air conditioning need an F-gas leak check?
Under GOV.UK guidance, systems of 5 to under 50 tCO2e need a check at least every 12 months, and 50 to under 500 tCO2e every 6 months. Fitting leak detection lets you double the interval and we will confirm which band applies.
Which brands do you work with?
Mitsubishi Electric, Daikin, Fujitsu, Panasonic, Toshiba, LG, Samsung, Mitsubishi Heavy Industries, Hitachi and others. For a new system, we suggest the make and model that suit the property and tell you why.
Can landlords and managing agents book you?
Yes. Homeowners, landlords, agents and businesses all book us across London and the South East. Tell us who should receive the paperwork.
Do you provide F-Gas records?
Yes. It’s the record a manufacturer or the next engineer will ask to see: the date, the work, and any refrigerant added or recovered.
Do you cover Cosham?
Yes. Our area takes in London and the counties of the South East, and that includes Cosham.
Servicing in Cosham: local notes
Cosham is within about 1 mile of the coast. Near the sea, rinsing and checking the outdoor coil for corrosion is an important part of every service. VOA council tax data show about 48% of homes in the Cosham area date from 1919 to 1939. Let us know where the outdoor unit sits and whether a ladder is needed to reach it. 2 conservation areas lie within a mile of central Cosham. Wymering Manor, listed at grade II*, is one of roughly 5 protected buildings and structures in the half-mile around Cosham’s centre. That only matters for replacements, where a new outdoor unit on a protected building can need consent.
Site managers at schools like Court Lane Junior Academy can have the site’s units serviced during a holiday. If you run premises near Cosham station, ask about servicing several units in one visit.
Cosham is about 2 miles south-west of Purbrook, in Portsmouth. We cover Cosham for air conditioning servicing, along with the rest of Portsmouth. In Portsmouth alone we list 19 places and Cosham is among them. You can also see our page for Worthing, about 29 miles away.
Not far from Cosham, a recent job of ours was on East Street, Chichester (PO19), about 12 miles east: installing a Daikin wall-mounted unit in the dining area and a second unit serving the kitchen pass area.
Getting to Cosham is easy by the A397. Dean Road, Park Lane and Elgin Road and the roads off them are all inside our area. If you are just outside Cosham, we cover Wymering (1 mile north-west), Hilsea (1 mile south), Drayton (1 mile east), Widley (1 mile north-east) and Paulsgrove (1 mile west). Further out, we also cover Southsea (4 miles south), Milton (3 miles south), Landport (3 miles south) and Portsea (3 miles south-west).
What’s near Cosham
Around Cosham, our work takes us to homes and businesses near The First Post pub, Alexandra Park and Springfield School, among other places. Cosham has its own railway station: Cosham station. Well-known places in the area include Tricorn Centre (2.9 miles south) and World War I Remembrance Centre (1 mile south-east). For a walk, there’s Southmoor Nature Reserve and Portsdown Hill.
Fixed-price quotes for air conditioning servicing in Cosham
A fixed price needs a few facts first. We look at:
- The condition of any existing system
- The size of the job
- Whether it’s a simple split or a larger system
Leaving a fault or an overdue service rarely makes the work cheaper. Faults and wear in a system tend to grow, and a struggling system uses more electricity to do less. If you are not sure what’s needed, phone us on 07833 053749 or send an email and we will give you an honest view and a fixed price.
Helping us quote
Photos let us diagnose from a distance. Try to include:
- A photo of the consumer unit with the cover closed
- A close-up of the unit’s label showing the model number
- Where the property is and what kind of building it is
Quoting starts with a diagnosis, from a site survey or, where the job is straightforward, from pictures and measurements. Then you get a fixed price before any work starts.
The process
Each visit runs to the same pattern: agree the plan on site, put the dust sheets down, carry out the job, test what we’ve done and talk you through it. On site, the work takes an hour or so for a single wall-mounted unit, longer for a multi-split system. Send pictures of the space and the outside wall, and we can plan the work near Cosham.
- You tell us the brand, the number of indoor units and any symptoms.
- Each indoor unit has its covers lifted so the filters, coil and tray can be cleaned.
- Outside, the coil is cleaned, the fan checked and the area cleared.
- Electrical connections, controls and refrigerant performance are tested.
- If a repair is needed, you hear why and what it costs before anything is done.
Getting ready for the visit
- Move furniture away from the wall where we will be working
- Tell us about access, such as roof hatches, high walls or locked plant areas
- Tell us about any building rules, permits or sign-in
Getting a price
Photos are the fastest route to a quote: the room or the existing unit, the outside wall or roof where the outdoor unit sits or would go, and the label on any existing unit. Add the address and what you’d like done, and many jobs can be priced from that.
Advice
Why act early in Cosham
For most systems at or over 5 tCO2e, leak checks are a legal requirement, not a choice. Skipping a year leaves a gap in the records the rules expect you to keep, and it’s simpler to keep to the schedule. Small faults tend to grow, so it’s worth dealing with them early.
Whatever the property, the quote works the same way: what’s needed, how we reach it, the parts and the labour. Call for a fixed-price quote and we will go through it with you.
What you get with us
- F-Gas company certification
- A site survey and a fixed-price quote
- We reply to enquiries the same working day
- Manufacturer’s warranty terms explained on your quote
Take a look at what air conditioning costs and our accreditations.
When it’s something else
Not every problem is solved by air conditioning servicing, and we’d rather say so up front. It does not solve:
- Poor original installation, such as drains without a proper fall
- A system that is too small for the room it serves
- Heat gains the system was never sized for
If in doubt, phone us on 07833 053749 and we’ll say what we think before you book.
Where we work
- Ceiling cassettes
- Air-to-air heat pumps
- Multi-split systems
- Wall-mounted split systems
- Ducted systems
- VRF systems
Also near Cosham
Also in Cosham
A customer’s words
“Office air con broke down in the July heatwave. Called at 8am, engineer was here by noon and fixed within 2 hours. Brilliant emergency response. They now hold the service contract for the whole building.”
James T., Crawley, office manager