AC Daily Running Cost Calculator

Calculate how much it costs to run your AC per day. Quick cost estimation based on wattage and local tariffs.

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AC Details

Enter your AC specifications

Ton
W
hrs
$/kWh

Cost Estimate

Based on your usage pattern

Daily AC Running Cost

Understanding daily running costs helps you budget and make informed decisions about AC usage. Knowing exactly how much each hour of cooling costs empowers you to balance comfort with economy.

Calculating Daily Cost

The formula is simple:

  • Power (kW) × Hours × Rate = Daily Cost
  • Example: 1.5 kW × 8 hours × $0.12/kWh = $1.44/day

Hourly Cost by AC Size

Approximate hourly running costs at $0.12/kWh:

  • 0.75 Ton: $0.09-0.12/hour
  • 1.0 Ton: $0.12-0.16/hour
  • 1.5 Ton: $0.15-0.24/hour
  • 2.0 Ton: $0.24-0.30/hour

Factors Affecting Daily Cost

  • AC efficiency: Inverter models use 25-40% less power
  • Temperature setting: Each degree below 24°C adds 3-5%
  • Outdoor temperature: Hotter days increase consumption
  • Room insulation: Poor insulation extends runtime
  • Filter condition: Dirty filters increase power use

Daily Cost Examples

For a 1.5 ton inverter AC at different usage levels:

  • 4 hours (evening only): $0.60/day
  • 8 hours (night + afternoon): $1.20/day
  • 12 hours (heavy use): $1.80/day
  • 24 hours (continuous): $3.60/day

Quick Ways to Reduce Daily Cost

  • Use timer to auto-off after falling asleep
  • Set temperature 2-3°C higher with ceiling fan
  • Close curtains during peak sun hours
  • Pre-cool before peak electricity rates
  • Ensure proper door/window sealing

Frequently Asked Questions

How much does AC cost per hour?▼

A typical 1.5 ton AC costs $0.15-0.25 per hour to run, depending on efficiency and electricity rates.

How to reduce AC daily cost?▼

Set temperature to 24-26°C, use timer, clean filters regularly, ensure proper insulation, and consider inverter AC.