HVAC TechniciansUpdated May 2026 · 4 min read

How to Quote Split System Air Conditioning: A Tradie's Guide to Accurate Pricing

Master how to quote split system air conditioning jobs accurately, covering materials, labour, and common pitfalls to ensure profitable installs and happy clients.

Breaking Down the Split System Air Conditioning Quote

Nailing a split system air conditioning quote means getting more than just the unit price right. Many tradies lose money by underestimating installation time or missing critical components. This guide focuses on how to quote split system air conditioning effectively, covering the main areas where budgets blow out: correct unit sizing and factoring in tricky site access. Whether it's a single room or a whole house system, a detailed quote protects your margin and builds customer trust. Expect to budget between $2,000 to $4,500 for a standard 2.5kW unit installation, including the unit and labour, but this varies wildly with site conditions.

Accurate Material Costs for Split System Installs

Your materials list goes beyond just the indoor and outdoor units. You need to price copper pair coil, insulated condensate drain hose, electrical cable (often 2.5mm² or 4mm² TPS), wall brackets or a concrete slab for the outdoor unit, and often a poly slab. Don't forget mounting blocks, wall conduit, and possibly a safety switch upgrade if the existing switchboard isn't compliant with AS/NZS 3000 wiring rules. Always check current trade prices from suppliers like Reece or Actrol, as copper prices fluctuate. A 15-metre roll of insulated copper pair coil (3/8" & 5/8") can run you around $180-$250, depending on diameter and supplier.

Calculating Your Aircon Labour Rates Fairly

Labour is a significant part of the split system install cost. Factor in the time for your refrigeration mechanic, an apprentice (if applicable), and travel to and from the site. Standard installation on a single-storey brick veneer home with easy access might take 4-6 hours. A two-storey house requiring roof access, core drilling through double brick, or complex electrical runs could easily double that. Consider your hourly 'door to door' rate, which should cover wages, super, insurance, vehicle costs, and profit margin. A typical aircon labour rates for a qualified technician in metro areas might range from $85-$120 per hour, excluding apprentices.

Factors That Change the Total Air Conditioning Price

Several site-specific factors heavily influence the final price. These include the building material (brick, timber, double brick), height and access for the outdoor unit (ground level vs. wall-mounted on a second storey), the length of pipe and cable runs, and any required electrical upgrades. Existing switchboard capacity, the need for new dedicated circuits, or core drilling through concrete can all add significant time and material costs. Always account for disposing of the old unit if it's a replacement. An average core drill through brick and render will cost you around $50-$80 in consumables and about 30 minutes of extra labour.

Understanding Warranties and Manufacturer Guarantees

Clear warranty details build customer confidence. Most major brands like Daikin, Mitsubishi Electric, and Fujitsu offer 5-year parts and labour warranties on their units, provided they are installed by a licensed professional. Your installation work should also carry its own guarantee, typically for 12 months, covering workmanship. Explain these terms clearly in your quote. It shows you stand behind your work and the products you install. You can check specific warranty terms on manufacturer websites like www.fujitsugeneral.com.au/warranty-information for detailed information.

Clear Quoting: What to Show Customers for Trust

Transparency is key to winning quotes and avoiding disputes. Itemise your quotes clearly, separating the unit cost from installation labour, materials, and any extra charges like electrical upgrades or access equipment hire. Explain each line item in plain English. For example, 'Dedicated 20A circuit from switchboard to outdoor unit as per AS/NZS 3000' is clearer than 'Electrical work'. Using professional quoting software like QuoteMate helps you generate detailed, branded PDFs that clearly lay out every cost, ensuring both you and the client know exactly what's included before work begins. It means fewer surprises and a smoother job.

Winning Split System Quotes and Avoiding Common Traps

To win more split system jobs, be prompt with your quotes and follow up professionally. Don't just send a number; explain the value you offer, from quality components to experienced installation. One common trap is failing to confirm the customer's electrical supply or switchboard capacity, leading to costly last-minute upgrades. Another is not properly sizing the unit, resulting in callbacks for poor performance. Always do a thorough site visit. Quote for quality components from reputable suppliers like ActronAir, not just the cheapest option. Your reputation is worth more than a few dollars saved on subpar parts. Over-servicing through detailed quoting always pays off.

Pro Tips

Always conduct a thorough site visit to assess access and electrical requirements.
Get real-time pricing for units and copper from your suppliers to avoid margin loss.
Specify the exact make and model of the unit in your quote.
Factor in disposal costs for old air conditioners or packaging.
Include a contingency (5-10%) for unforeseen issues on complex installs.
Ensure all electrical work complies with current AS/NZS 3000 standards.
Clearly separate material, labour, and any third-party costs in your quote.
Use a professional app like QuoteMate for clear, itemised PDF quotes.

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