Summer, a scorching season, is incomplete without an air conditioner, especially for families living in close-knit, less green surroundings. That’s why the question of how to set the air conditioner temperature to save the most energy is a concern for many people.
Many experts advise not to set the temperature below 26 degrees, as it consumes a lot of electricity. And many people believe that 28 degrees Celsius is the most suitable temperature to keep the house cool without being too cold and save electricity. Do you know how much energy will be consumed if you run the air conditioner at 28 degrees overnight?
In fact, there are many factors related to the energy consumption of an air conditioner. Among them, there are 3 main factors: the energy efficiency ratio (EER), environmental factors, and the operating hours of the outdoor compressor.
Regarding the energy efficiency ratio, the EER of an air conditioner is calculated as the cooling capacity (in BTU) divided by the power consumption (in watts). The higher the EER, the more energy-efficient the air conditioner is.
For environmental factors, the higher the outside temperature, the more energy the air conditioner consumes. Of course, it also depends on the insulation and tightness of the room. If the room with the air conditioner is left wide open, it will consume a lot of energy regardless of the outside temperature.
The operating hours of the outdoor compressor also directly affect the energy consumption of the air conditioner. The longer the outdoor compressor operates, the more energy the air conditioner consumes.
According to some research, when running a 1.5 horsepower air conditioner at 28 degrees in a room with the size of 18m2 overnight (about 8 hours), the electricity consumption is usually around 8 kW.h. From there, you can multiply that number by the electricity price rates to calculate the cost.
If the space is larger than 18m2, even with an inverter air conditioner, the energy consumption will not be significantly reduced.
As for the question of whether running the air conditioner at 28 degrees Celsius is the most energy-saving temperature, the answer is not entirely accurate. According to research, the most energy-saving temperature is when the temperature inside the room and the outside temperature have a difference of 5 degrees Celsius. Therefore, setting the air conditioner to 28 degrees Celsius is relatively suitable, depending on the outside temperature to adjust the temperature properly.
Small tips to save energy when using the air conditioner
– Maintain the temperature above 25 degrees Celsius, specifically around 26 or 28 degrees Celsius.
– Avoid constantly turning the air conditioner on and off. Turning the air conditioner on and off several times a day in a short period of time can triple the electricity consumption.
– Use the air conditioner in combination with a fan.
– Keep the doors slightly closed instead of wide open when using the air conditioner to allow air circulation.
– Regularly clean and maintain the equipment.
According to Thoi Bao Van Hoa Nghe Thuat
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