5 Essential Air Conditioning Tips for a Cooler, Greener Summer

As temperatures rise, staying cool and comfortable at home becomes a top priority. But keeping your air conditioning (AC) system running efficiently doesn't just affect your comfort—it also impacts your wallet and the environment. Below you'll find five practical, evidence-based ACTips for maximizing your cooling while minimizing energy use.

1. Optimize Your Thermostat Settings

Setting your thermostat to an efficient temperature is key. For the best balance, set your thermostat as high as comfortably possible—ideally around 78°F (25–26°C) when you're home. Each degree you raise the setting can save up to 3% on cooling costs. If you're away, dial it up to 85°F (29°C) to avoid cooling an empty house. Upgrade to a smart thermostat for precise scheduling and energy-saving automation.

2. Seal, Shade, and Insulate

Keep the cool air in and hot air out. Check windows and doors for leaks, and use weather-stripping or caulk to seal them. Consider installing blackout curtains or shades to block incoming sunlight, which can significantly heat rooms. Well-insulated attics and walls also reduce the load on your AC, maximizing SmartCooling efficiency.

3. Give Your AC Some TLC

Regular maintenance keeps your AC running smoothly and efficiently. Replace or clean air filters at least every 1–2 months during peak use. Clear debris around outdoor condenser units and ensure indoor vents aren't blocked by furniture or drapes. Schedule annual professional checkups for optimal system performance.

4. Use Fans Strategically

Fans don’t lower air temperature but create a wind-chill effect, making you feel cooler. Use ceiling or oscillating fans along with your AC to distribute cool air more evenly and allow you to raise the thermostat without sacrificing comfort. Remember to turn fans off when you leave a room to save energy.

5. Embrace the Latest in Cooling Technology

Energy-efficient AC units, such as those with ENERGY STAR certification, consume up to 15% less energy than standard models. New developments, like variable-speed compressors and inverter technology, allow units to fine-tune their cooling output for greater comfort and lower energy use. Some systems come with smart controls, enabling remote management and integration with home automation for smarter, more tailored cooling.

Staying comfortable through summer doesn't have to come at an environmental cost. By following these ACTips, you can enjoy a cooler home, save on energy bills, and take a step toward sustainable living.

For more energy-saving air conditioning guidance, check out ENERGY STAR's Cooling Tips.