Air Conditioner Installation Brisbane
Split system and multi-room air conditioning sized for Brisbane's humidity, installed neatly with the dedicated electrical circuit done properly.
The right air conditioner, in the right size and the right spot, makes a Brisbane summer comfortable without blowing out your power bill. We help you choose the unit, plan quiet outdoor placement and run the dedicated circuit and isolator safely, with trusted brands like Mitsubishi Heavy Industries, Daikin, Panasonic and Gree.
- Reverse cycle split systems
- Multi-room installs
- Dedicated circuits & isolators
- Lifetime workmanship guarantee
Get an air conditioning quote
Tell us which rooms you want to cool and we will arrange an assessment, recommend the right size and give you a fixed price.
- Bedrooms and living areas
- Home offices and granny flats
- Offices and consulting rooms
- Replacement of old units
Why reverse cycle split systems suit Brisbane homes
Cool summers, comfortable wintersA modern inverter reverse cycle split system cools in summer, gently heats on cold winter mornings and pulls humidity out of the air, which is often what makes Brisbane nights feel unbearable. Inverter compressors speed up and slow down instead of switching on and off, so they hold a steady temperature and use less power.
- Old unit, high billsOlder non-inverter systems can use far more electricity for the same comfort.
- Noisy outdoor unitPoor placement or a tired compressor annoys you and your neighbours.
- One room never coolsUsually an undersized unit or a poorly positioned head.
- Tripping when it startsA sign the circuit or switchboard is not suited to the load.
Pairing air conditioning with ceiling fans lets you set the thermostat a few degrees higher and still feel comfortable.
What size air conditioner do you need?
Size matters more than brand. Too small and it runs flat out without cooling the room. Too big and it short-cycles and leaves the air clammy. Use this as a rough guide, and we will confirm on site after looking at insulation, windows, ceiling height and sun exposure.
| Room size | Typical room | Approx. cooling capacity |
|---|---|---|
| Up to ~20 m² | Bedroom, study | 2.5 kW |
| 20–30 m² | Main bedroom, small lounge | 3.5 kW |
| 30–40 m² | Lounge or open kitchen | 5.0 kW |
| 40–60 m² | Open-plan living and dining | 6.0–7.1 kW |
| 60 m² and up | Large open-plan or upstairs areas | 8 kW or more, or a multi-head system |
Things that change the size
- West-facing glass and afternoon sun
- Raked or high ceilings and open stairwells
- Poor insulation in older Queenslanders and post-war homes
- Kitchens, home offices and rooms with lots of equipment
Choose your system
Good · Small room, low investment
Gree 2.5 kW split system
BudgetA compact, value-focused split system for a bedroom, study or small room. The lowest-cost way to cool a single space.
- Lowest upfront cost
- Suits bedrooms, studies and small rooms
- Quick to install
Most popularBetter · Living room, mid budget
Mitsubishi 4 kW split system
Mid rangeMore capacity and quieter running for a smaller living room or a larger bedroom.
- Suits smaller living areas
- Quiet, reliable everyday cooling
- A good balance of price and performance
Best · Forever home, large open plan
Mitsubishi 8 to 9 kW split system
Long termA high-capacity system for large open-plan living areas and homes you plan to stay in for years.
- Cools large open-plan spaces
- Built for long, everyday use
- Best value over the life of the system
Brands we install
Mitsubishi Heavy Industries
Quiet, reliable split systems with strong humidity control.

Daikin
A broad range from compact bedroom units to large living-room systems.

Panasonic
Efficient inverter units with air purification options.

Gree
Value-focused systems for budget-conscious upgrades.

The electrical side most installers rush
A split system is a large, long-running appliance. We are electricians first, so the wiring is done to the same standard as the rest of your home.
DEDICATED CIRCUIT
Its own circuit
Most split systems need a dedicated, correctly sized circuit from the switchboard, not a power point shared with the rest of the room.
AS/NZS 3000:2018
Outdoor isolator
An isolating switch beside the outdoor unit lets it be safely switched off for servicing.
SAFETY SWITCH
RCD protection
New circuits are protected by a safety switch. If your board has no space, we will tell you upfront.
SWITCHBOARD CAPACITY
Room to grow
Adding several units can push an old board or supply to its limit. A switchboard upgrade may be the safe first step.
Refrigerant work must be done by appropriately licensed technicians, and every installation finishes with electrical testing and certification.
Getting the placement right
- Indoor headHigh on a wall with clear airflow across the room, away from direct sun and obstructions.
- Outdoor unitShaded and ventilated where possible, clear of bedroom windows and neighbours’ living areas.
- Pipe & cable routeShort, neat runs, concealed through the roof or wall where practical.
- Condensate drainRun to a suitable drain point so water does not stain walls or pool on paths.
- Test & handoverSystem tested in every mode, the remote set up and filter cleaning explained.
Mistakes we often fix
- Outdoor units squeezed into hot, unventilated corners where efficiency drops
- Long, untidy pipe runs on the outside of the home
- Units wired to existing power points or circuits without an isolator
- Heads oversized for bedrooms, which leaves them cold and clammy
Recent air conditioning installs

Project spotlight
Four split systems, Indooroopilly
- Suburb
- Indooroopilly, inner west
- Problem
- A double-storey corner home with bedrooms at the front, where outdoor units on the usual wall would be seen and heard.
- Solution
- Cabling and pipework run through the roof cavity, with all four outdoor units grouped neatly at the back of the house.
- Outcome
- Four rooms cooled independently, with the units out of sight and earshot.
I’ve engaged Fully Wired on a couple of occasions and both times they have been great to deal with and with competitive pricing.
★★★★★Elle, Google review
Highly recommend Fully Wired Electrical for their prompt quote and professional job was done onsite by Adam.
★★★★★Thao Pham, Google review
Air conditioning installers near you
Air conditioner installation FAQs
How long does a split system installation take?
A standard back-to-back installation, where the indoor and outdoor units are on the same wall, is usually done in part of a day. Longer pipe runs, multi-head systems and new circuits take longer.
Do I need a new circuit?
Most split systems should be on their own dedicated circuit with an outdoor isolator. We check your switchboard and include the circuit in your fixed quote.
Which brand is best?
Mitsubishi Heavy Industries, Daikin, Panasonic and Gree all make reliable systems. The right choice depends on room size, budget and features. Correct sizing and installation matter more than the logo.
What warranty do I get?
Most of the units we install carry a manufacturer’s warranty of five years or more. Our installation workmanship is covered by our lifetime workmanship guarantee.
Can you replace my old unit?
Yes. We remove the old system and check whether the existing circuit, isolator and pipework location are suitable before installing the new unit.
Do you service or maintain air conditioners?
No. We supply and install new systems and replace old ones, but we do not offer air conditioner servicing or maintenance. To keep your system running well, clean the indoor filters every few weeks during heavy use and have a specialist air conditioning technician service it every one to two years.
Related services
Ready to beat the Brisbane heat? Get your air con quote.
Call 1300 385 599 (Mon to Fri, 8:00am to 4:30pm) or request a quote online. Tell us the rooms you want cooled and we will recommend the right system and give you a fixed price.
We do the full range of elec-trical & lighting services across Brisbane
Select a service that you're interested in
View all services