Air handling units in Carrickfergus
Air handling unit servicing and repairs in Carrickfergus, with the visit price agreed before we come and a written report after.
- Visit price agreed before we book
- Written report after every visit
- F-gas records updated where required
How much does an air handling unit service cost in Carrickfergus?
Guide price in Carrickfergus: £225–£545 per unit, per visit ex VAT, with a typical job (AHU service with filter change) at £225–£545 plus VAT. Any extra work is priced and approved before it starts.
An air handling unit (AHU) is a large central unit that filters, heats, cools and moves air through a building's ductwork, often with heat recovery.
Carrickfergus and surrounding areas
Carrickfergus has a compact centre of shops, cafés and offices, with business units on its outskirts. Belfast is about 15 km away.
We work across Carrickfergus's postcode districts, including BT38. Nearby, we also cover Newtownabbey (about 9 km), Bangor, County Down (about 11 km) and Larne (about 15 km). If a system in Carrickfergus is old and keeps failing, we will tell you honestly whether repair or replacement makes more sense.
What you get
- Filter changes to the specified grade
- Fan, belt and motor checks
- Coil and drip tray cleaning
- Damper and actuator checks
- Heat recovery device checks
Guide prices in Carrickfergus
Prices below include our regional adjustment for Northern Ireland (8% below the UK guide).
| Item | Guide price (ex VAT) | Inc VAT | Basis |
|---|---|---|---|
| AHU service with filter change | £225–£545 | £270–£654 | per visit |
| Fan / motor replacement | £1,350–£4,550 | £1,620–£5,460 | per fan |
| Full AHU replacement | £13,750–£63,995 | £16,500–£76,794 | per unit |
Ex VAT. Filters are charged at cost for the grade specified.
How we handle air handling units in Carrickfergus
Inspect
We record the AHU type, condition, filter grades and controls.
Service
Filters are changed and components cleaned and checked.
Report
Readings and recommendations are reported.
Upgrade or replace
Where needed, we quote for fan upgrades or replacement.
Before you book in Carrickfergus
Hygiene
Drip trays and coils must be kept clean to avoid biological growth.
Neighbours and noise
Outdoor units near flats — common above shops — need careful siting so noise at neighbours' windows stays low. We choose positions and quieter units with that in mind.
Filters
Filter grades should match the original design or current guidance for the building.
Working hours
Most Carrickfergus businesses prefer noisy work outside trading hours. Early starts, evenings and weekends can be arranged and are priced up front.
Typical premises in Carrickfergus
- Warehouses and industrial: cooling for offices, mezzanines, control rooms and temperature-sensitive areas.
In Northern Ireland, systems holding 5 tonnes CO2 equivalent of refrigerant or more fall under EU F-gas rules that apply in Northern Ireland, with regular leak checks and records; buildings with more than 12 kW of air conditioning in total also need a periodic energy inspection.
Your questions answered
How much does an air handling unit service cost in Carrickfergus?
In Carrickfergus, expect about £225–£545 per unit, per visit, plus VAT. A typical job (AHU service with filter change) is £225–£545 plus VAT. Any parts or repairs are priced before we go ahead.
Do you also cover Newtownabbey, Bangor, County Down and Larne?
Yes. Alongside Carrickfergus, we also cover Newtownabbey, Bangor, County Down and Larne. Each has its own page with local guide prices.
Which postcodes do you cover in Carrickfergus?
All of them, including BT38. Give us your postcode when you enquire and we will confirm the visit details.
Do you handle crane lifts?
Yes, we plan craneage, permits and lifting for replacements.
How often should an AHU be serviced?
Typically every three to six months, depending on use and filter loading.
Get a guide price for Carrickfergus
The visit price is agreed before we book. We reply with a guide price or available dates.