You can save money on air conditioning by raising your thermostat a few degrees, sealing leaks, and keeping the unit well maintained. These small changes lower how hard your system works, which directly reduces your monthly cooling bill without leaving you uncomfortable.
Set the Thermostat Smartly
Every degree you raise the temperature in summer can noticeably lower your cooling costs. Aim for the warmest setting that still feels comfortable, and raise it further when you are out of the house. A programmable or smart thermostat makes this automatic.
Block Heat Before It Enters
- Close blinds and curtains during the hottest part of the day.
- Seal gaps around doors and windows so cool air does not escape.
- Use fans to spread cool air so you can set the AC higher.
Maintain Your Unit
A dirty filter forces your air conditioner to work harder and use more power. Clean or replace filters regularly, keep the outdoor unit clear of debris, and schedule a yearly service. A well-maintained system cools faster and lasts longer.
For more seasonal cooling tips, read our guide on how to save money on AC in summer, and lower your overall power costs with how to save money on electricity.
Frequently Asked Questions
What temperature saves the most money? The warmest setting you find comfortable saves the most, since your system runs less.
Do fans really help? Yes. Fans let you feel cooler at a higher thermostat setting, which reduces AC runtime.
How often should I change the AC filter? Check it monthly during heavy use and replace it when it looks dirty.
