Air conditioner costs vary based on wattage, usage hours, and electricity rates. Here’s how to estimate daily cooling costs.
Daily Cost Formula
AC wattage × hours used × electricity rate
Example (1,000W AC running 8 hours/day at $0.20/kWh):
Daily cost:
1 kW × 8 × $0.20 = $1.60/day
Typical Daily Costs
- Window AC: $1.00–$2.50/day
- Portable AC: $1.50–$3.00/day
- Split AC: $0.80–$2.00/day
Tips to Reduce AC Cost
- Use a smart thermostat
- Clean filters
- Close blinds during peak heat
- Seal air leaks
- Raise temp 1–2°C