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The Most Common HVAC Problems (And What They Mean)

Most HVAC trouble starts small, a strange noise, a room that won’t cool, a bill that creeps up. Knowing the usual suspects helps you catch problems early, before they turn into a breakdown on the hottest or coldest day of the Spokane year. Here are the ones our techs see most.

Weak or Uneven Airflow

If some rooms never get comfortable, the cause is often a clogged filter, blocked vents, or leaky ductwork. Start by checking and replacing your filter; if that doesn’t fix it, the ducts or blower may need attention.

Short Cycling

When your system turns on and off in quick bursts, it’s short cycling. That wastes energy and wears out parts fast. Causes range from an oversized system to a dirty flame sensor, thermostat issues, or restricted airflow.

Thermostat Problems

Sometimes the system is fine and the thermostat is the culprit, sending wrong signals or reading the wrong temperature. Dead batteries, poor placement, or a failing unit are all common.

Refrigerant Leaks

An AC or heat pump low on refrigerant won’t cool properly and may ice up. Refrigerant doesn’t get “used up,” so if you’re low, there’s a leak that needs professional repair, not just a top-off.

Strange Noises and Smells

Grinding, squealing, or banging usually points to a mechanical issue. A musty smell can mean mold in the system, while a burning smell warrants shutting the system down and calling a pro.

Rising Energy Bills

A steady climb in your bill, without a change in the weather, often signals a system working harder than it should due to one of the issues above.

When to Call Bearcat

Filter changes and vent checks are yours to handle. Anything involving refrigerant, electrical components, or persistent noises is worth a professional look before it gets worse. See our repair services or call (509) 891-5110.

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