Consider an AC with 10 EER efficiency.Ħ,000 divided by 10 EER is 600. Step 1: Divide your AC unit’s BTU by its EER rating, and then divide that number by 1,000. So, here are the steps to answering the question. The formula for efficiency use is BTU/EER/1,000. How much electricity does a 6,000 BTU air conditioner use per month? Say you have a 6,000 BTU window AC and you want to know how much electricity it is using each month.
#AIR CONDITIONER CURRENT CALCULATOR HOW TO#
In that case, you’ll need to know how to manually calculate the electricity use of an air conditioner! You may find yourself in a circumstance where it’s not convenient or possible to use our online calculator tool. How to Manually Calculate Electricity Use You can see from the chart that a 10,000 BTU AC uses 1.00 kWh, so anything smaller than 10,000 BTU will use less than 1.00 kWh.Įxample 3: How much electricity does a 5,000 BTU air conditioner use?Ī 5,000 BTU air conditioner uses 0.50 kWh per hour, and 360 kWh per month. A 12,000 BTU air conditioner uses 864 kWh in one month.Įxample 2: What AC capacity uses 1.00 kWh or less? Using the chart, you can answer this question. AC Capacity (BTU)Įxample 1: How much electricity does a 12,000 BTU air conditioner use in a month? If the EER is lower, it will use more electricity If higher than 10, it will consume less energy.
The table below offers the electricity usage of a 5,000 – 18,000 BTU air conditioner.Ī helpful rule of thumb for calculating the electrical usage of an AC unit with 10 EER efficiency, a common efficiency rating, is that 1,000 BTU uses 0.10 Kilowatts (100 Watts) per hour. If you would rather have the answer in Watts, you can simply multiply the answer in kWh by 1,000. The result will be provided in Kilowatts (kWh). To use the calculator, enter the air conditioner capacity (BTU) of your AC unit, and the EER (Energy Efficiency Ratio). This calculator will give you the air conditioner power consumption per hour and per month, so that you can get a fuller understanding of how much electricity you are using.
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