The answer to 'when to replace AC' is that you should typically replace your air conditioning unit every 10-15 years. Air conditioners have a finite lifespan, and over time, they become less efficient and more prone to breakdowns. As your AC unit ages, it will require more frequent repairs and use more energy to cool your home, which can significantly increase your utility bills.
There are several signs that it may be time to replace your AC unit, including:
- Frequent breakdowns or repairs
- Reduced cooling capacity or uneven cooling throughout your home
- Unusually high energy bills
- Your unit is more than 10-15 years old