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What Causes Low Air Flow in Your Air Conditioner?

When most people think of air conditioner troubles, they assume it’s a lack of cool air or an inability to turn on entirely. Both of those are huge problems to be sure, especially in the middle of our steamy Westlake, OH summers. But equally as problematic is a system that turns on and produces plenty of cool air, but can’t blow that air into your home effectively. As with a lack of cool air, the issue forces your system to work harder than it has to, which both raises the cost of your monthly bills and increases the risk of a breakdown due to increased strain. So what causes low air flow in your air conditioner? Here are some possible causes.

  • Bent or broken fan blades: These are uncommon problems but have been known to happen from time to time: reducing the power of the fan and thus the air flow.
  • Misaligned fan blade: There may be no problem with the fan at all, but if it’s knocked out of alignment, it could blow the cool air somewhere other than where it needs to go, creating a problem.
  • Loose fan belt: Just like a car, the fan belt can break or become frayed or loose. When it does, it slips and the fan won’t turn as fast.
  • Fan motor problems: Excess friction and internal problems with the fan motor will cause the fan to turn more slowly or not at all.
  • Electrical problems: The motor depends on electricity to power it, and if the wiring is frayed or the connectors are loose, it will affect the fan’s performance.
  • Clogs: A clogged filter or build-up in the system will slow the air down, as will crimps in the ducts or similar damage.

Any time you detect low air flow, turn off your system and call the pros at Westland Heating & Air Conditioning today!

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