Calculator
Air Conditioner Cost Calculator
Estimate air-conditioner energy use and monthly cost from kW draw and hours.
How it is calculated
Energy (kWh) = air conditioner electrical draw (kW) × hours per day × thermostat on-time × days. Inverter air conditioners use less than the rated draw once the room is cool. Cost = kWh × your rate.
Results are estimates for planning, not bills or professional advice. For generator or inverter hookups use a changeover switch installed by a registered electrician with a certificate of compliance (CoC).
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