❄️ HVAC & Cooling
Air Conditioner Power Consumption Calculator
Calculate power consumption, energy usage, and operating cost for AC units.
❄️ AC Specifications
Cooling Capacity
BTU/h
Typical: 5000-60000 BTU/h
Efficiency Rating
EER
EER = Energy Efficiency Ratio (higher = more efficient)
AC Type
Window: typical EER 8-10, Split: 10-14, Central: 9-12
⏱️ Usage Patterns
Daily Usage
h
Days Per Month
Thermostat Setting
°C
Lower setting = higher energy consumption
💰 Cost Settings
Electricity Rate
$ /kWh
Power 0
Power Consumption
0 W
running power
Power Consumption 0 W
Daily Energy 0 kWh
Monthly Energy 0 kWh
Monthly Cost $0

📊 AC Energy Breakdown

Parameter Value Unit

How the formula works

Power (W) = BTU/h ÷ EER  |  Daily Energy = Power × Hours ÷ 1000  |  Monthly Cost = Daily Energy × Days × Rate
  • Power (W) = Cooling Capacity (BTU/h) ÷ EER
  • EER (Energy Efficiency Ratio) = BTU/h per Watt
  • SEER (Seasonal EER) = Seasonal average efficiency
  • Daily Energy (kWh) = Power (W) × Hours Used ÷ 1000
  • Monthly Energy (kWh) = Daily Energy × Days Used
  • Monthly Cost = Monthly Energy × Electricity Rate
  • Thermostat Effect: Each 1°C lower increases consumption ~3-5%
  • AC Types: Window (EER 8-10), Split (10-14), Central (9-12)