Air Conditioning Electrical Work Melbourne
Dedicated circuits, isolators, switchboard capacity and compliance certificates for split system and ducted air conditioning — the electrical side done properly by a licensed contractor.
Who it's for
- Homeowners installing split systems
- Properties adding ducted air conditioning
- Property managers upgrading rentals
- Builders and HVAC installers needing electrical support
- Businesses adding or upgrading AC
Why the Electrical Side Matters
An air conditioner is one of the largest electrical loads in a home. It needs its own dedicated circuit, a weatherproof isolator at the outdoor unit, and a switchboard with the capacity and protection to run it safely. Skipping the electrical fundamentals leads to tripping circuits, nuisance faults and non-compliant installations.
- Air conditioners need dedicated circuits
- Isolator switches are required at the unit
- Your switchboard must have spare capacity
Common Problems We Solve
Real scenarios our customers face — and how we fix them.
New split system with nowhere to plug in
Unit purchased or installed but there's no dedicated circuit for it. Running it from an existing circuit causes tripping and overload risk. We install the correct circuit and isolator.
Switchboard has no spare capacity
Older switchboard is full or can't handle the additional continuous load. We assess capacity and upgrade the board if required — quoted fixed before any work.
AC keeps tripping the power
Air conditioner trips the safety switch or breaker when it starts. Often an undersized or shared circuit, or a failing component. We diagnose and fix the cause properly.
Installer needs an electrician to finish the job
HVAC installer has mounted the unit but the electrical connection, circuit and certificate are outstanding. We coordinate directly with your installer and complete the electrical work with documentation.
Why This Matters in Melbourne
Melbourne's hot summers and cold winters make reverse-cycle air conditioning one of the most common home upgrades. Many homes in the bayside and south-east suburbs — Bentleigh, Moorabbin, Cheltenham, Brighton East — have older switchboards that were never designed for continuous compressor loads. Assessing capacity before installation avoids tripping circuits, failed inspections and paying twice for electrical work.
Standards & Compliance
- AS/NZS 3000:2018 — Wiring Rules for fixed appliance circuits
- Dedicated circuit required for split system and ducted units
- Weatherproof isolator switch required at the outdoor unit
- RCD protection required on the air conditioning circuit
- Load calculations for switchboard capacity before installation
- Certificate of Electrical Safety issued for the electrical work
What's included
Clear Pricing. No Surprises.
Fixed quote before work begins. No surprises on the invoice.
Book Now — Quote on assessmentWhat Happens During the Service
Tell Us About the Job
5 minsUnit type and size, proposed location, and a photo of your switchboard if handy. We confirm scope and provide clear pricing.
Capacity & Route Assessment
20-30 minsCheck switchboard capacity and protection, plan the circuit route, and confirm isolator placement at the unit.
Circuit & Isolator Installation
2-4 hoursInstall the dedicated circuit, weatherproof isolator, and any switchboard work required. Coordinate with your HVAC installer if the unit is being fitted the same day.
Testing & Certification
30 minsTest the circuit under load, verify protection is operating, and issue the Certificate of Electrical Safety.
After the Service
Certificate of Electrical Safety
Issued for the electrical work. Keep it with your property records — insurers and future buyers may ask for it.
Clear Documentation
Circuit labelled at the switchboard. You know exactly which breaker and safety switch protect your air conditioning.
Workmanship Guarantee
Electrical work backed by our workmanship guarantee. If an issue arises from our work, we return and fix it.
Future Load Planning
Adding an EV charger or more appliances later? We note remaining switchboard capacity so you can plan upgrades with confidence.
Related Services
Frequently Asked Questions
Do air conditioners need their own circuit?+
Yes — split systems and ducted units are fixed appliances with significant continuous loads, and current standards require a dedicated circuit with RCD protection plus an isolator switch at the outdoor unit. Plugging a unit into an existing power circuit leads to tripping and overload risk.
Can you work with my air conditioning installer?+
Yes — we regularly complete the electrical side for HVAC installers: dedicated circuit, isolator, switchboard work and the Certificate of Electrical Safety. We coordinate timing directly with your installer so the job finishes in one visit where possible.
Will my switchboard handle a new air conditioner?+
It depends on the age and capacity of your board. Many pre-1990 Melbourne homes need switchboard work before adding large loads. We assess capacity first and quote any upgrade fixed — you decide before committing to anything.
Why does my air conditioner keep tripping the power?+
Common causes are an undersized or shared circuit, a failing compressor drawing excess current, or an ageing safety switch. We diagnose the cause properly rather than just resetting the breaker, and fix it with documentation.
Do I get a compliance certificate?+
Yes — a Certificate of Electrical Safety is issued for the electrical work, as required in Victoria. Keep it with your property records for insurance and resale.
How much does air conditioning electrical work cost?+
It depends on the circuit length, switchboard condition and unit size, so we quote on assessment — fixed, before work begins. If a switchboard upgrade is needed, those start from $950.
What Our Clients Say
“Fast, reliable, no issues. Got the compliance certificate same day. Will use again.”
Sarah M.
Bentleigh
“Upgraded our old ceramic fuse board. Clean work, explained everything clearly. Very professional.”
James T.
Richmond
“Manage 40+ properties with True Line. Always on time, certificates delivered same day. Reliable.”
Property Plus Agency
Brighton
Why True Line
Why Melbourne Customers Choose True Line
Direct Communication
You speak with the licensed electrician responsible for your work — not a call centre or a message service.
Clear Process
You know what is happening, what it costs and what happens next before any work begins.
Professional Documentation
Certificates of Electrical Safety and compliance paperwork provided for completed work.
Safety First
Work is completed with safety, compliance and long-term reliability in mind — not quick patches.
One Trusted Electrical Partner
Electrical, air conditioning electrical, EV readiness and compliance handled under one roof.
Get a Quick Property Assessment
Not ready to book? Tell us about your property and we'll advise what you need — no obligation.
Air Conditioning Electrical Work Across Melbourne
We provide air conditioning electrical work services throughout inner and middle-ring Melbourne suburbs.
Plus more suburbs across Melbourne. Contact us to check availability in your area.
Ready to Book Your Air Conditioning Electrical Work?
Quote on assessment — transparent pricing, professional service.
Limited bookings available this week.