Home
Back
AC Power Consumption Formula:
| From: | To: |
AC power consumption refers to the electrical power used by an air conditioning unit to provide cooling. It is typically measured in kilowatts (kW) and helps determine operating costs and energy efficiency of the AC system.
The calculator uses the AC power consumption formula:
Where:
Explanation: The formula converts cooling capacity (BTU/h) to electrical power consumption (kW) using the energy efficiency ratio as a conversion factor.
Details: Calculating AC power consumption is essential for estimating electricity costs, sizing electrical circuits, comparing energy efficiency between different models, and understanding environmental impact.
Tips: Enter BTU/h rating (found on AC unit specifications), EER value (also from specifications). Both values must be positive numbers for accurate calculation.
Q1: What is BTU/h in air conditioning?
A: BTU/h (British Thermal Units per hour) measures the cooling capacity of an AC unit - how much heat it can remove from a space per hour.
Q2: What is EER and why is it important?
A: EER (Energy Efficiency Ratio) measures how efficiently an AC unit converts electrical energy into cooling. Higher EER means better efficiency and lower operating costs.
Q3: What is a good EER rating?
A: EER ratings typically range from 8 to 12+. Higher is better. Modern energy-efficient units often have EER ratings of 10 or higher.
Q4: How can I reduce my AC power consumption?
A: Choose units with higher EER ratings, maintain proper insulation, use programmable thermostats, perform regular maintenance, and ensure proper sizing for your space.
Q5: How does this relate to SEER rating?
A: SEER (Seasonal Energy Efficiency Ratio) is similar to EER but accounts for seasonal variations. EER is measured at specific conditions, while SEER represents seasonal average efficiency.