Perhaps you spent years as a refrigeration mechanic or HVAC technician for a large mechanical services company, watching automated dispatch systems and remote diagnostics quietly erode the on-the-ground role you used to play. Or perhaps you came from an entirely unrelated career and simply want out of an industry where your judgement has been replaced by a dashboard. Air conditioning and HVAC work is a strong answer to either situation, because whatever the diagnostics software says, someone still has to climb into a roof cavity, handle refrigerant safely, and physically install or repair the unit. It’s demanding, technical, genuinely skilled work, and Australia’s climate means it’s not going away as a source of steady demand.

Most people entering this business are already licensed refrigeration and air conditioning mechanics who’ve worked for a larger HVAC company or builder and are ready to go out under their own name. If you’re new to the trade, the pathway is a Certificate III in Air Conditioning and Refrigeration through a TAFE apprenticeship, typically four years, plus the mandatory refrigerant handling licence that sits alongside the trade qualification.

What Does It Take to Start an Air Conditioning and HVAC Business?

This is one of the more heavily regulated trades on this list, and for good reason, since handling refrigerants carries environmental and safety obligations under federal law. You need a completed refrigeration and air conditioning trade qualification, plus an ARCtick licence (issued under the national refrigerant handling licence scheme) to legally purchase, handle or work with refrigerants at all. Many HVAC businesses also require an electrical licence or a close working relationship with a licensed electrician, since most installations involve wiring in a new circuit. Beyond the tickets, this trade rewards strong diagnostic thinking, comfort working in tight roof spaces and extreme heat, and the customer service skills to explain a fault or a quote clearly to a frustrated homeowner in the middle of a heatwave.

Setting Up the Business

Register your ABN and start as a sole trader, moving to a company structure as you take on staff or larger commercial contracts. Confirm your ARCtick refrigerant handling licence status, along with any state-based contractor licence required to run your own HVAC business (check with your state’s fair trading or building services regulator), since operating without the correct combination of licences is both illegal and uninsurable.

Public liability insurance (typically $10–20 million) is standard given the electrical and refrigerant risk involved, and many builders and strata managers won’t engage you without it. Tool insurance covers your gauges, recovery units and vacuum pumps, which are expensive to replace. A White Card is required for construction site work, and given the physical demands of roof and ceiling space work, appropriate working-at-heights training is worth having even where not strictly mandatory.

What It Costs to Get Started

HVAC has some of the higher equipment costs among the trades due to specialised diagnostic and refrigerant handling tools:

  • Tools and equipment (gauges, vacuum pump, refrigerant recovery unit, leak detectors, power tools): $8,000–$20,000
  • A ute or van fitted out for unit transport and equipment storage: $15,000–$45,000
  • ARCtick licensing, state contractor licensing and insurance in year one: $3,000–$7,000
  • Stock of common parts and consumables: $2,000–$5,000
  • Job management and quoting software: $50–$150 per month

Demand for this trade spikes heavily in summer, so plan cash flow around seasonal fluctuations and keep a buffer for the quieter months.

Finding Your First Customers

Builders, electricians and property managers are strong, steady referral sources, since every new build and most rental properties eventually need air conditioning installed, serviced or repaired. A thorough Google Business Profile matters enormously here, since “air conditioning repair near me” and “split system installation [suburb]” are urgent, high-converting local searches, especially during heatwaves. Local Facebook community groups often surge with requests for a reliable air con technician the moment summer temperatures climb, so being visible and responsive in those groups pays off. Partnering with electricians for referral work in both directions is a natural fit given how often the two trades overlap on a single job. A signwritten van is effective given how visible unit installations are from the street. Always ask for a Google review once a new system is running and the household is comfortable again.

Common Mistakes First-Time Owners Make

  • Letting ARCtick or contractor licence renewals lapse amid a busy season, risking serious compliance penalties
  • Underquoting installation jobs by underestimating electrical and access complications until the job is underway
  • Not managing seasonal cash flow, spending heavily during a booming summer without planning for a quieter winter
  • Skipping proper refrigerant handling and disposal records, which creates real environmental compliance risk

Your First 90 Days

Weeks 1–2: confirm your ARCtick and contractor licensing, insurance and ABN before taking your first job.

Weeks 3–4: build your Google Business Profile, reach out to builders, electricians and past employers, and get your vehicle signwritten.

Month 2: prioritise service and repair calls to build reviews quickly while working toward a steady installation pipeline through builder and electrician referrals.

Month 3: review job profitability and quoting accuracy, and start planning cash flow for the seasonal demand curve ahead.

Weighing up a few different paths? Have a read of our guides to pest control business, start a plumbing business and start an electrical business.

If redundancy or an industry reshaped by automation has left you questioning where your expertise fits now, remember that no algorithm is climbing into a ceiling space to fix a refrigerant leak in 40-degree heat. Air conditioning and HVAC work rewards genuine technical skill with genuine independence. When you’re ready to build your local presence, GrowOnline can help with the market research, website and marketing systems to keep your business running at full capacity, in every season.