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Signs it’s Time for a New AC Unit

Your air conditioner is a robust machine, but like all mechanical equipment, it can’t last forever. If your system has been showing signs of its imminent demise, now could be the time to replace it. Here’s what to look for as you consider when to install a new AC unit.


  • Age: Even if your air conditioner doesn’t show specific signs of failure, you should start researching your replacement options once the unit reaches a decade old. It may not last much longer than this, and planning ahead can help you avoid a stressful emergency replacement.
  • Rising cooling bills: Aging air conditioners are far less efficient than new ones. If you notice higher-than-usual electricity bills in the summer, your outdated AC unit could be to blame. Restore monthly energy savings by installing an efficient model equipped with the latest cooling technology.
  • Frequent breakdowns: If you have already paid for two or more AC repairs in the last two years, ask yourself this: how much more are you willing to spend to keep this failing machine going? The next time you’re confronted with a costly repair, seriously consider replacing your air conditioner instead.
  • Strange noises: A deteriorating system could be warning you of its approaching failure by making unnerving sounds. Take any scraping, squealing, grinding, popping, or banging as a sign that it’s time for a new AC unit.
  • Unpleasant smells: The air blowing from the AC vents should never smell musty or stale. If you detect moldy, smoky, or other unpleasant odors, pursue a diagnosis so you can decide if you should replace your air conditioner.
  • Low airflow: As cooling systems age, they tend to develop airflow and circulation issues. You might be left with icy cold temperatures in parts of the house while other rooms remain uncomfortably hot. This problem could indicate a failing compressor, though only a qualified HVAC professional can perform the diagnosis.
  • High humidity: Air conditioners don’t just remove heat from indoor air—they also extract humidity. This is vital for preventing a muggy feeling. If you find yourself constantly turning down the temperature to combat high humidity, it could be a simple repair—or it might be time for a new AC unit.
  • R-22 refrigerant use: Because of environmental concerns, ozone-depleting R-22 refrigerant, also known as Freon, began its official phase-out starting in 2010. R-22 has been replaced with more eco-friendly R-410A, or Puron. If your old air conditioner running on R-22 develops a refrigerant leak, the cost to recharge it with depleting supplies of R-22 could be cost-prohibitive. Upgrade to an R-410A model to help the environment and take advantage of newer air conditioning technology.

Many benefits await you when you replace your air conditioner. Improved energy efficiency, lower cooling bills, enhanced comfort, and greater reliability are just some of the advantages you’ll enjoy. To learn more about replacing your air conditioner, or to request a free installation estimate, please contact Albert Nahman Services at (510) 876-9725 today.

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