Is It Time for a New AC? Here Are the Key Signs You Need a Replacement!

Deciding whether to repair or replace your existing air conditioning unit can be challenging. While minor issues can often be fixed, several indicators suggest that your current system is nearing the end of its lifespan and that a new installation is a smarter investment. If you observe any of the following, it might be time to consider a new AC system from J.H. Roberts Inc.:

  • Your AC Unit is Over 10-15 Years Old: The average lifespan of an air conditioning unit is typically between 10 and 15 years. As systems age, their efficiency declines, and they become more prone to breakdowns. If your unit is in this age range, even minor repairs might not be worth the cost, especially when compared to the long-term benefits of a new, more efficient model.
  • Frequent Breakdowns and Costly Repairs: Are you calling for AC repairs multiple times a season? Do the repair bills keep piling up? If the cost of repairing your old unit approaches or exceeds 50% of the cost of a new system, it's generally more economical to invest in a replacement. Continuous repairs indicate that your system is failing and will likely continue to have issues.
  • Skyrocketing Energy Bills: One of the most compelling reasons to replace an old AC unit is its impact on your energy consumption. Older models are significantly less energy-efficient than modern, ENERGY STAR® certified units. If your electricity bills have steadily increased without a change in usage habits, your aging AC is likely working harder and consuming more power to achieve the same level of cooling, costing you a fortune.
  • Inconsistent Cooling and Hot Spots: If some rooms in your home are comfortably cool while others remain warm and stuffy, your AC system might be struggling to distribute conditioned air effectively. This could indicate an undersized unit, failing components, or poor ductwork, often symptoms that a new, properly sized system could resolve.
  • Excessive Noise During Operation: While some operational hum is normal, an old, failing AC unit often becomes increasingly noisy. Loud clanging, grinding, squealing, or persistent rattling sounds are signs that internal components are wearing out or failing, suggesting that a replacement is imminent.
  • Your System Uses R-22 Refrigerant (Freon): If your current AC unit was installed before 2010, it likely uses R-22 refrigerant, also known as Freon. Due to environmental concerns, R-22 production has been phased out, making it increasingly expensive and difficult to obtain for repairs. If your R-22 system experiences a leak, replacement with an R-410A (Puron) or other compliant system is often the most practical and environmentally responsible choice.
  • High Indoor Humidity Levels: Beyond cooling, a healthy AC system effectively removes humidity from your indoor air. If your home consistently feels damp, clammy, or has a musty odor even when the AC is running, it may not be adequately dehumidifying, pointing to a loss of efficiency or an undersized unit.