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AC not cooling: repair tips in San Jose, CA

October 24, 2023 1 min read

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Sometimes even a reliable air conditioner needs a little attention to keep you cool. If your AC is running but not cooling the way it should, a few simple checks can often get the cold air flowing again before you call in a professional. Many cooling complaints come down to easy-to-miss basics rather than a major fault, so it’s worth ruling those out first.

Quick checks when your AC isn’t cooling

  • Check the thermostat settings: make sure it is set to a temperature low enough to actually trigger the AC to kick in, and that it is in cooling mode.
  • Keep it clean: dust and debris can clog up your system and reduce its efficiency, so clean or replace the filters regularly.
  • Clear the vents: make sure furniture, rugs, or other items aren’t blocking airflow from your vents, since a clear path is essential for proper cooling.

These basic steps resolve many common cooling complaints and help your system run more efficiently, and they’re a smart habit to keep up throughout the cooling season. When in doubt, it’s worth calling a professional, especially if none of the above brings back the cool air, since the issue may point to a deeper problem like low refrigerant or a failing component that needs proper tools to diagnose. If your air conditioner still isn’t cooling after these checks, Nur HVAC can diagnose the cause and get your system back to comfortable performance.

Air conditioner serviced during a repair visit by Nur HVAC

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