Multi-split air conditioning across County Down
In a house in Bangor with a usable loft, multi-split pipes can often run through it so the front stays clear. Twin and triple systems suit Bangor homes where bedrooms sit above the kitchen and one rear wall can take the outdoor unit. Damp Northern Ireland winters make a heat pump's dehumidifying mode useful well beyond the summer.
Prices in County Down
In Northern Ireland, our guide range for multi-split air conditioning is £2,245–£7,145 for 2–4 rooms, including VAT. That sits a little below the UK middle, reflecting typical Northern Ireland labour rates. Longer or hidden pipe runs, high-level brackets and electrical upgrades are the usual reasons a quote lands at the top of the range. Typical Triple work (three rooms with mixed indoor styles and Wi-Fi control throughout) lands around £3,095–£4,995 in this area.
Twin
Two rooms on one outdoor unit, wall-mounted indoor units, standard routes.
Triple
Three rooms with mixed indoor styles and Wi-Fi control throughout.
Quad
Four or five rooms, longer concealed runs or a ducted unit in a loft void.
Guide prices show VAT at 20%. HMRC treats most fixed air conditioners and air-to-air heat pumps installed in homes as energy-saving materials, zero-rated until 31 March 2027 when we supply and fit them. If your installation qualifies, your quote shows 0% VAT and a lower price. Servicing, repairs, cleaning and controls are charged at 20%.
Planning and permissions
Northern Ireland has its own planning rules for outdoor units, and conservation areas and listed buildings need particular care. We confirm the position for your property before installation.
The survey
At the survey we look at how each room is used, where the sun hits it and how the pipes can reach the outside wall, then put it all in a written quote. A survey in County Down usually takes one to two hours. We measure the rooms, check the walls and the consumer unit, agree the outdoor unit position with you and photograph the pipe routes.
What is included
Included with multi-split air conditioning across County Down:
- Free survey with a room-by-room heat-gain check
- Planned pipe routes through lofts, floors or trunking
- An indoor unit and controls for every room
- One outdoor unit sized to the combined load
- Commissioning and a walk-round of every room's controls
- Pressure test, vacuum and refrigerant charge calculated for the pipe lengths
Towns in County Down
Pick your town for local details, or see every service in County Down.