As the scorching heat of summer arrives, the hum of air conditioners becomes the soundtrack to our daily lives. While the cool breeze provided by AC units is undoubtedly a relief, the question of the optimal temperature setting often arises. Striking the right balance between comfort and energy efficiency is crucial for both personal well-being and environmental sustainability. In this article, we explore the factors to consider when setting the temperature on your AC during the summer months.

how to use ac in summer
how to use ac in summer

Comfort Zone: A Personalized Approach

The optimal temperature for summer AC use is highly subjective and varies from person to person. Factors such as individual preferences, clothing, and activity levels all play a role in determining one's comfort zone. The American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE) suggests a range of 73 to 79 degrees Fahrenheit (23 to 26 degrees Celsius) for cooling mode during the summer. However, it's essential to note that this is a general guideline, and personal preferences may lead individuals to set their thermostats outside this range.

Energy Efficiency and Cost Considerations

While setting the AC temperature based on personal comfort is essential, energy efficiency and cost considerations should not be overlooked. Setting the thermostat a few degrees higher can significantly reduce energy consumption and lower utility bills. The U.S. Department of Energy recommends a thermostat setting of 78 degrees Fahrenheit (26 degrees Celsius) when at home and active, and increasing it when away. Programmable thermostats can be a valuable tool in automating temperature adjustments based on your daily routine, optimizing energy usage without sacrificing comfort.

Humidity Control

In addition to temperature, humidity plays a crucial role in determining indoor comfort. High humidity levels can make a room feel warmer than it actually is, prompting individuals to lower the AC temperature. To address this, some modern AC units come equipped with humidity control features. Maintaining indoor humidity levels between 30% and 50% can enhance comfort, allowing occupants to feel cooler at slightly higher temperatures. This dual approach not only ensures comfort but also contributes to energy savings.

Sleeping Comfortably in Summer

Finding the right temperature setting for a good night's sleep is a common concern during the summer months. ASHRAE recommends a slightly warmer setting of around 82 degrees Fahrenheit (28 degrees Celsius) for sleeping mode. However, individual preferences come into play, and some may find a cooler bedroom more conducive to rest. Using fans in conjunction with the AC can improve air circulation, making the room feel cooler without the need to lower the thermostat significantly.

ac use

Environmental Impact

As we strive for personal comfort, it's crucial to consider the environmental impact of our AC usage. Lowering the thermostat excessively not only increases energy consumption but also contributes to greenhouse gas emissions. By adopting energy-efficient practices and using the AC judiciously, individuals can minimize their carbon footprint. This includes regular maintenance of AC units, sealing leaks in doors and windows, and investing in energy-efficient appliances.

Adapting to Sustainable Practices

In the pursuit of optimal temperature settings, it's worth exploring alternative methods to stay cool without relying solely on air conditioning. Simple measures such as using window coverings to block out the sun, staying hydrated, and wearing breathable clothing can contribute to a comfortable indoor environment. Additionally, leveraging natural ventilation during cooler evening hours can reduce the reliance on artificial cooling systems.


In the quest for the optimal temperature setting for summer AC use, finding a balance between personal comfort, energy efficiency, and environmental responsibility is key. Understanding individual preferences, embracing energy-efficient technologies, and considering factors like humidity and sleep patterns are crucial steps in achieving a comfortable and sustainable indoor environment. As we navigate the heat of summer, let us strive for a harmonious coexistence with our surroundings, staying cool while minimizing our impact on the planet.

AC Repair Lincolnwood IL:

In the pursuit of a comfortable indoor environment, it's essential to ensure the proper functioning of your AC unit. Regular maintenance and prompt AC repairs in Lincolnwood, IL, can extend the lifespan of your system, improve efficiency, and prevent costly breakdowns. Trusting professional services to address any issues ensures that your cooling system operates optimally, providing the cool comfort you desire during the summer months. Book your appointment today!