As the days get hotter, your air conditioning system will spend more and more time running. The temperature setting you choose for your thermostat will have a huge effect on how well your unit runs and how comfortable you feel. 

Aside from comfort, you have to consider a few other questions. What thermostat settings should you use in the summer months to get that cool air coming through without spiking your energy costs? 

What temperature should I set so I do not out the central air conditioning unit when trying to stay cool? C & C Heating & Air Conditioning will answer all these questions as we explore the best AC temperature settings to keep your home cool. 

 

Factors That Influence Ideal Temperature 

The Best AC Temperature Settings for Humans

Every person has his or her unique preferences for air temperature, with factors including the following: 

  • A person’s metabolism 
  • Clothing preferences
  • The level of one’s physical activity 
  • The age of the home’s residents 

On average, adults find 65–76°F comfortable, while homes with children or seniors should avoid temperatures below 68°F to prevent hypothermia. Infants, sensitive to heat, should be in environments under 72°F to avoid overheating.

The ideal indoor temperature preferences also change with the time of day—cooler settings (60–67°F) are ideal for sleep. Additionally, humidity impacts both indoor and outdoor temperatures. If you enjoy a 70°F day outside, setting your thermostat a few degrees higher indoors may feel more comfortable.

 

The Best Temperature for Reducing Energy Usage 

In most homes, balancing comfort and energy savings is key. The higher your thermostat setting, the less it will run, leading to lower energy bills. Contrary to popular belief, turning off your AC for part of the day saves energy despite the extra work needed to cool your house later.

The U.S. Department of Energy recommends setting your thermostat to 78°F for a balance of comfort and savings. Smart thermostats can further optimize cooling, letting you increase temperatures while away and automatically cool the house when you return.

 

Special Considerations

The Safest AC Temperature Settings for Pets & Plants

Pets and plants have different temperature needs. Dogs generally do well up to 82°F, though thick-coated breeds may prefer cooler environments below 75°F. Cats tolerate temperatures up to 85°F, while reptiles or exotic animals require tailored temperature settings. Most plants struggle above 80°F, but some thrive in heat.

The Right Temperature for Protecting Your Belongings

Certain items like wood furniture, antiques, or electronics can be sensitive to high temperatures. Keep indoor temperatures below 75°F for wood and under 72°F for delicate antiques. Electronics, tested at 72°F, run best in similar conditions and may overheat if temperatures exceed 82°F.

 

Practical Tips for Maintaining Your AC

The Ideal Temperature for Maintaining Your Air Conditioning 

As you set your air conditioning temperature, there are several things to consider including the maintenance and longevity of your AC unit. Here are some tips for how to set the desired temperature for your air conditioner in summer heat waves: 

  • Avoid excessively low thermostat settings to prevent air conditioning system issues, such as frozen evaporator coils. 
  • Minimize frequent cycling (turning on and off) to reduce stress on AC unit components. 
  • It is recommended to set the thermostat setting between 65–80°F for optimal performance and to keep those cooling bills minimal. 
  • Ensure the cooling system runs for at least 15 minutes per cycle and has daily downtime. 
  • Monitor and adjust thermostat settings to find your unit’s ideal operating range. 

5 Star Rated Air Conditioner Solutions for You

Are you in search of premium air conditioning services for your home?  Read our 5 Star Reviews!

Whether you have questions about setting your air conditioner temperature, or programmable thermostat, or how to improve your energy costs, contact C & C Heating & Air Conditioning today to schedule a consultation with one of our HVAC installation and service technicians.

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