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Scientific Way to Reduce Electricity Bills While Using Fans with Air Conditioner

As the summer heat intensifies in Pakistan, the demand for air conditioning (AC) skyrockets, leading to soaring electricity bills and increased strain on the nation’s power grid. However, recent studies and expert advice suggest that there are effective ways to stay cool while also conserving energy and reducing costs.

A study by Chulalongkorn University in Thailand has confirmed that setting the air conditioner to 27°C and using a fan can reduce electricity bills by 10 to 30 percent. This method not only saves money but also keeps indoor environments comfortably cool. The science behind this is simple: the air conditioner works less hard at a higher temperature, which reduces humidity to comfortable levels, while the fan aids in circulating the cooler air, making the room feel more pleasant.

In line with this, the latest research from the University of Sydney suggests that using fans more often can allow people to reduce their air conditioner use without compromising on comfort. This approach is not only cost-effective but also environmentally friendly, as it can significantly lower greenhouse gas emissions.

For Pakistan, where energy conservation is crucial, these findings are particularly relevant. The country faces frequent power shortages and energy crises, making it essential to adopt energy-saving measures. The Punjab Energy Efficiency & Conservation Agency recommends using fans with the Pakistan Energy Label, which can save up to 40% electricity, and opting for DC inverter air conditioners instead of conventional ones.

Moreover, the National Energy Efficiency and Conservation Authority (NEECA) of Pakistan has devised an energy-saving plan that includes enhancing energy efficiency across various sectors. This plan is a step towards stabilizing the economy and conserving energy, which is vital for Pakistan’s sustainable development.

To further assist Pakistani households in energy conservation, here are some practical tips:

  • Set your AC to 27°C and use ceiling or standing fans to enhance cooling.
  • Clean your AC filters regularly to ensure efficient operation.
  • Opt for energy-efficient appliances with high Energy Star ratings.
  • Utilize natural ventilation during cooler parts of the day.
  • Insulate your home to prevent heat gain and retain cooler air inside.
  • Consider alternative cooling methods such as reflective window coatings and shading devices.

By adopting these simple yet effective strategies, households can enjoy a cooler environment without the burden of hefty electricity bills.

Jessada Denduangboripant, the lecturer, supports this approach and frequently employs it himself. He explains that the air conditioner’s compressor works less intensively at higher temperatures, which not only reduces power consumption but also maintains a comfortable humidity level in the room. Additionally, using fans enhances air circulation, aiding the body’s natural cooling process, and consumes far less electricity compared to air conditioners.

For those living in warmer climates like Pakistan, where energy conservation is crucial, this method could provide a practical solution to stay cool while managing expenses. Jessada also recommends regular cleaning of air conditioners and filters to ensure optimal performance.

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