You’ve picked out the perfect air conditioner. You’ve found the perfect spot on the wall for it. You’re ready to book the installation. But then, you see the fine print on the quote: “Electrical upgrades not included. Owner to supply dedicated circuit.”
Suddenly, your simple cooling upgrade has become a project management headache. You now have to find a sparky, coordinate their schedule with the air con installer, and pay two separate call-out fees.
In Brisbane, the question isn’t just “Do I need an electrician?” (The answer is almost always yes). The real question is: Do you want to hire two separate companies, or one that can do it all?
Here is everything you need to know about the electrical side of air conditioning, and why the “Dual Trade” approach is the smarter way to cool your home.
The Legal Reality: Air Cons Are Power Hungry
Under Queensland law, air conditioning installation is not a simple DIY job, nor is it purely a plumbing/gas fitting job. It crosses the line between two highly regulated trades: Refrigeration and Electrical.
While a standard air con installer (refrigeration mechanic) can bolt the unit to the wall and run the gas pipes, they are legally restricted from doing major electrical work unless they hold a full electrical licence.
What an “Air Con Guy” Can’t Do
If your installer only holds a Restricted Electrical Licence (common for pure air con technicians), they generally cannot:
- Run a new power circuit from your switchboard to the air conditioner.
- Upgrade your switchboard if your fuses are unsafe.
- Install a new isolation switch if one doesn’t exist.
This means if your home isn’t “plug-and-play” ready (and most Brisbane homes pre-2010 aren’t), the installer will have to stop work and tell you to call an electrician.
3 Reasons You Need a Qualified Electrician
1. The “Dedicated Circuit” Requirement
You cannot simply plug a powerful split system or ducted unit into an existing power point in your bedroom. Air conditioners draw a significant electrical load (startup current).
- The Risk: If you share the circuit with your TV and computer, the moment the compressor kicks in, the fuse will blow.
- The Fix: A qualified electrician must install a dedicated circuit directly from the main switchboard to the air con unit. This ensures stable power delivery without tripping the rest of your house.
2. Switchboard Safety (RCBOs)
Modern electrical safety standards (AS/NZS 3000) require that new circuits be protected by a Safety Switch (RCBO). If your switchboard still has old ceramic fuses, a new circuit cannot legally be connected until that section of the board is upgraded. A standard air con installer cannot do this. You would need a separate electrician to come out, upgrade the board, and certify it before the air con can even be turned on.
3. Mains Upgrades for Ducted Systems
Large ducted systems are energy beasts. In many older Brisbane homes, the “Mains Cable” (the wire running from the street to your house) is too thin to carry the extra load. An electrician needs to calculate your “Maximum Demand” to ensure you don’t melt the supply cable or cause voltage drops that damage your appliances.
The Dual Trade Advantage: One Call, One Team
This is where Integrated Trade Services changes the game. We are not just air con installers who “know a bit about wiring,” nor are we electricians who “sometimes do air con.”
We are fully qualified Dual Trade Experts.
By hiring a single team for both trades, you eliminate the friction that usually plagues these renovations.
Verdict: Do You Need a Separate Electrician?
Technically, yes—you need the skills of an electrician. But you do not need the hassle of hiring a separate company.
When you choose a dual-trade provider, you are getting the safety and compliance of a licensed electrician combined with the finesse and expertise of a dedicated refrigeration mechanic.
Ready to simplify your installation?
Stop juggling quotes and contractors. Get the team that does it all. Contact Integrated Trade Services today for a seamless, supply-and-install quote that includes all the electrical work you need—no hidden surprises.
Frequently Asked Questions:
1. Will I save money by hiring a dual-trade company?
Yes. The biggest saving comes from eliminating double call-out fees. When you hire separate companies, you pay for the air con installer’s travel and setup, plus the electrician’s travel and setup. With Integrated Trade Services, you are paying for one team to arrive in one van. Additionally, because we coordinate the wiring and piping simultaneously, the job is often finished faster, reducing total labour hours.
2. Can’t my air con installer just do the wiring?
Usually, no. Most dedicated air conditioning technicians only hold a “Restricted Electrical Licence.” This allows them to disconnect and reconnect a unit, but it does not allow them to install new circuits or upgrade switchboards. If you hire an installer without a full electrical licence, they legally cannot run the new power feed your system likely needs. You will be forced to hire an electrician anyway to finish the job.
3. What happens if you find a problem with my switchboard on the day?
If you hire separate trades, work stops. The air con installer will likely tell you they can’t proceed until an electrician fixes the board, leaving you with a half-installed unit and a rescheduling nightmare. With Integrated Trade Services: We fix it on the spot. Because we are fully licenced electricians, we carry the necessary breakers and safety switches in our van. We can upgrade your board to code and finish the air con install in the same visit.
4. Who do I call if the air con trips my power later?
This is the classic “Blame Game” nightmare. The electrician will blame the air con unit, and the air con manufacturer will blame the wiring. You get stuck in the middle, paying for service calls to figure out who is at fault. The Dual-Trade Solution: Since we installed both the unit and the circuit, we own the responsibility for both. One phone call to us sorts it out. No finger-pointing, just solutions.
5. I’m renovating my house. Do I need the electrician or the air con installer first?
Usually, this requires careful timing: the electrician does the “rough-in” (running cables) before the walls are plastered, and the air con installer comes back later for the “fit-off.” Because we do both, we can manage the entire rough-in phase seamlessly. We run the copper pipes and the electrical cables at the same time before your plasterboard goes up, ensuring everything is perfectly positioned for the final install.
6. Is it illegal to install air conditioning without an electrician?
It is illegal to perform electrical work without a licence. If your air con installation requires a new circuit (which most do), and it is performed by someone without the correct electrical licence:
- Your home insurance may be voided in the event of a fire.
- You risk electrical shock or fire hazards due to improper load calculations.
- You void the manufacturer’s warranty on your new air conditioner. Always ask to see the electrical licence number of the person running your cables. (Ours is available on request!)