Air Conditioner Use: Continuous On or Frequent Off? The Answer to Saving Electricity

With heatwaves intensifying, many are grappling with how to use air conditioners most efficiently to manage rising electricity costs. The key lies in understanding the difference between inverter and non-inverter models.

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Inverter is an energy-saving technology that adjusts the motor's rotational speed to reduce unnecessary operation.

Non-inverter air conditioners operate by repeatedly turning the compressor on and off to maintain a set temperature, leading to higher power consumption. In contrast, inverter models adjust the compressor's speed to maintain temperature, minimizing energy loss. This fundamental difference dictates the most effective usage strategy.

For inverter units, it's more efficient to keep them running continuously. Start by cooling the room quickly at a lower temperature, then adjust to a higher setting, around 26-28°C (79-82°F), to maintain comfort while saving energy. Regular maintenance, such as cleaning the dust filter every two weeks, also boosts performance, according to LG Electronics.

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Non-inverter types repeatedly turn the compressor on and off to maintain the set temperature, consuming relatively more power.

Maximizing cooling efficiency involves using air conditioners in conjunction with fans or air circulators to distribute cool air faster. Simple measures like using curtains or blinds to block sunlight and ensuring clear airflow around the outdoor unit also contribute to better performance. Additionally, South Korea's "Residential Energy Cashback" program offers rebates for reducing electricity consumption compared to previous years.

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Cleaning the dust filter about once every two weeks helps maintain cooling performance.