Refrigerators can be found in every home, food and beverage industries and commercial establishments. The power consumption of a refrigerator cleaner ranges between 120 watts to 300 watts. A typical refrigerator consumes 180 watts. Calculate the energy usage of refrigerators below:
Enter the wattage, hours of usage and cost per kWh. The energy usage calculator for refrigerators gives you the total energy consumed by them. Also, you can find how much power does your refrigerator consume.
Energy usage of refrigerators
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Terms and definitions:
Power usage of device in watts as mentioned in the label of the lamp.
Cost per unit:
The average cost per unit charged by the electric utility. Every country has different tariff rates. Visit: Global Electricity prices for details if you don’t know how much the utility company charges you per unit or kWH.
Units per day:
The number of units of electricity consumed by the load every day considering the entered operation hours.
Hours of usage:
Number of hours the load is used per day.
The electricity usage depends on the wattage, number of hours of usage. The utility company charges you for the total number of kilo-watt-hour of energy you have consumed. Kilowatt-hour is the product of power consumption of the load and the number of hours of usage.
Power consumption of refrigerators
A typical refrigerator consumes 0.18kWh of energy per hour of usage. That means an hour of usage can cost you 0.02 cents.
Refrigerators maintain a temperature close to the freezing point of water. At this temperature, it is difficult for bacteria to survive. In order to maintain this temperature, it makes use of a compressor, condenser and refrigerant (normally ammonia or R-290). The compressor compresses the hot refrigerant in vapour form to a high-pressure gas, which passes through the condenser where it is cooled down.
This cool liquid refrigerant enters the expansion valve, where a sudden pressure drop occurs. This low pressure refrigerant enters the refrigerator and absorbs heat from the stored food and evaporates. The evaporated refrigerant enters the compressor again and the cooling cycle continues.
Energy-saving tips for refrigerator
- Keep the fridge closed always. Whenever you need to open it, open as little as possible.
- Regularly clean the condenser located behind the refrigerator.
- Do not place hot food items in a fridge.
- Buy an energy-efficient device.
- Shift your refrigerator at a cooler location and away from heat sources.
- The efficiency of your refrigerator reduces by age. Try not to use old refrigerators.
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