Furnace short cycling is a common problem that can leave your home feeling unevenly heated while increasing energy bills and wear on your HVAC system. If your furnace is turning on and off too frequently, it’s important to address the issue before it leads to bigger problems.
What Is Furnace Short Cycling?
Short cycling happens when a furnace shuts down before completing a full heating cycle, only to restart again soon after. This prevents your home from staying consistently warm and puts unnecessary strain on the system.
Common Causes of Short Cycling
🔹 Dirty Air Filters – A clogged filter restricts airflow, causing the furnace to overheat and shut off.
🔹 Thermostat Issues – A poorly placed or malfunctioning thermostat may send incorrect temperature readings, triggering premature shutdowns.
🔹 Blocked Vents or Ducts – Obstructions in the airflow can cause overheating, leading to frequent cycling.
🔹 Flame Sensor Problems – A dirty or faulty flame sensor can cause the furnace to shut down as a safety measure.
🔹 Oversized Furnace – A furnace that’s too large heats up too quickly, leading to frequent short cycles.
Want to learn more about how to fix these issues and prevent furnace short cycling? Check out our full blog for more troubleshooting tips and solutions!
If your furnace is still acting up, contact Affordable Comfort today. Our HVAC experts will diagnose and fix the issue, so you can enjoy a warm, efficient home all winter long.
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