AUSTRALIA · AIR CONDITIONING
Understand air conditioning energy use and running costs in Australia, from electrical input power and electricity tariffs to inverter operation and Energy Rating Labels.
What to understand first
What affects air conditioner running costs?
Running cost starts with how much electrical power the system actually draws, how long it operates and the electricity usage rate that applies. Real-world results can also change with climate, thermostat settings, room size, insulation, glazing, maintenance, compressor cycling and inverter operation.
Input power is not cooling capacity
A split system may be marketed by its cooling or heating capacity in kilowatts. That capacity is not the same as electrical input power. For a simple running-cost estimate, use the electrical input or power-consumption figure from the product documentation rather than the advertised cooling capacity.
Use your own tariff and label data
Your electricity bill is usually a better starting point than a single assumed national tariff. For compatible air conditioners, Zoned Energy Rating Label annual energy-use figures can also support a climate-based annual estimate.
READY TOOL
Air Conditioner Running Cost Calculator
Estimate cost per hour, active day, week, month and year, or use annual energy figures from a Zoned Energy Rating Label.
How HomeBillLab approaches this topic
We separate the numbers you can calculate from the assumptions that can change the result. Where a tariff, product label, official program or property-specific detail gives a better input, we prefer that information over a hidden national-average assumption.
See the HomeBillLab Methodology and Sources for how we document calculations and references.