Ceiling cassette air conditioning in Belfast
From a single room to a whole floor: ceiling cassette air conditioning in Belfast, planned around your trading hours.
- Free site survey and fixed written quote
- Unit sizes, refrigerant and price set out in writing
- Work planned around your opening hours
How much does a ceiling cassette cost in Belfast?
Our guide range in Belfast is £1,995–£4,550 per cassette before VAT; a typical job (shop or restaurant with 2–3 cassettes) is £4,550–£12,395 plus VAT. Your exact price is fixed in writing once we have surveyed.
A ceiling cassette is an air conditioning indoor unit that sits inside a suspended ceiling with only a square grille visible.
Our coverage in Belfast
Belfast is one of the main commercial centres in County Antrim, with city-centre offices, retail streets, hospitality venues and business parks on its edges.
Postcode districts we cover in Belfast include BT1, BT2, BT3, BT4, BT5 and BT6. Neighbouring towns we cover include Castlereagh, Newtownabbey and Lisburn. Buildings across County Antrim range from converted period offices to modern units with deep ceiling voids, so we measure each site rather than relying on a standard package.
What is included
- Survey of the ceiling void depth and grid
- Compact 600 mm or full-size cassette selection
- Pipework, condensate pump and drain connection
- Fresh-air spigot connection where ventilation ductwork is available
- Wired controller or central control
Local guide prices for Belfast
Prices below include our regional adjustment for Northern Ireland (8% below the UK guide).
| Item | Guide price (ex VAT) | Inc VAT | Basis |
|---|---|---|---|
| Compact 600 mm cassette (up to about 5 kW) | £1,995–£3,650 | £2,394–£4,380 | per unit |
| Full-size four-way cassette (7–14 kW) | £2,695–£4,550 | £3,234–£5,460 | per unit |
| Ceiling tile and grid alterations | £85–£365 | £102–£438 | per unit |
| Fresh-air spigot connection | £180–£545 | £216–£654 | per unit |
Ex VAT, supply and install on a single or multi-split system.
How we work in Belfast
Check the void
We confirm void depth, grid size and any obstructions such as beams, sprinkler pipes or ductwork.
Set positions
Cassettes are placed against the lighting and grid layout so air reaches the whole space.
Hang and connect
Units are hung on drop rods, connected to pipework and the condensate line. We keep work areas in Belfast screened and tidy at the end of each day.
Test and commission
The condensate pump is water-tested, the system pressure tested and charged, and air directions set.
Things to check in Belfast
Condensate
Most cassettes include a pump. The discharge still needs a route to a drain, which we design at survey.
Working hours
Most Belfast businesses prefer noisy work outside trading hours. Early starts, evenings and weekends can be arranged and are priced up front.
Void depth
Compact cassettes typically need around 250–300 mm of clear void; larger units need more. We measure before quoting.
Roof and height work
Flat roofs, high walls and atriums need the right access equipment and edge protection. We plan towers, MEWPs or scaffold before the job, not on the day.
Typical premises in Belfast
- Retail and shops: comfortable shop floors, stockrooms and entrances, even with the door open.
- Schools and education: classroom cooling, ventilation and IT room cooling, installed in the holidays.
- Gyms and leisure: high-capacity cooling and fresh air for gym floors, studios and changing rooms.
- Pubs and bars: cooling for busy bars, function rooms and cellars, sited with neighbours in mind.
Two rules matter for most businesses in Northern Ireland: EU F-gas rules that apply in Northern Ireland (leak checks from 5 tonnes CO2e) and the periodic energy inspection for more than 12 kW of air conditioning.
FAQs for Belfast
How much does a ceiling cassette cost in Belfast?
Guide prices in Belfast run from about £1,995 to £4,550 per cassette, plus VAT. A typical job (shop or restaurant with 2–3 cassettes) costs £4,550–£12,395 plus VAT. We fix the price in writing after a free survey.
Do you also cover Castlereagh, Newtownabbey and Lisburn?
Yes. Alongside Belfast, we also cover Castlereagh, Newtownabbey and Lisburn. Each has its own page with local guide prices.
Which postcodes do you cover in Belfast?
All of them, including BT1, BT2, BT3 and BT4. Give us your postcode when you enquire and we will confirm the visit details.
How often should cassettes be cleaned?
Filters should be cleaned every few months in busy premises, with a full service and coil clean at least once a year.
What size cassette do I need?
It depends on the heat load. As a guide, a compact cassette suits a room of up to about 40–50 m² of office space; larger spaces use bigger units or several cassettes.
Get a guide price for Belfast
Free survey and fixed written quote. We reply with a guide price or to book the survey.