If your furnace keeps turning off unexpectedly, it’s not just inconvenient; it can also indicate an underlying issue that needs attention. This problem, known as “short cycling,” prevents your system from operating efficiently and can lead to higher energy bills and potential damage to your unit. Let’s explore some common reasons your furnace may be shutting off and what they mean.

Clogged Air Filters

One of the most common causes of furnace short cycling is a clogged air filter. When the filter is dirty, it restricts airflow, causing the furnace to overheat and shut down as a safety precaution. Regularly replacing your air filter is a simple yet effective way to keep your system running smoothly. If this doesn’t work, it may be time to call a furnace services expert to take a closer look.

Thermostat Issues

Your thermostat plays a key role in controlling your furnace. If it’s malfunctioning or placed in an area with inconsistent temperatures, such as near a drafty window or direct sunlight, it could cause the system to turn off prematurely. Ensuring your thermostat is functioning correctly and properly positioned can help resolve this issue.

Overheating Furnace

Overheating is another potential culprit. Besides clogged filters, other factors like blocked vents, dirty burners, or issues with the blower motor can cause your furnace to overheat and shut off to prevent damage. Regular maintenance is critical to keeping these components in good condition.

Improperly Sized Furnace

If your furnace is too large or too small for your home, it may struggle to maintain a consistent temperature. An oversized furnace will heat your home too quickly and shut off repeatedly, while an undersized unit will overwork itself, leading to frequent shutdowns.

What You Should Do Next

If your furnace keeps turning off, it’s best to address the issue promptly to avoid further complications. At Alexander's Heating & Air Conditioning, we specialize in diagnosing and fixing furnace issues in Redmond, WA, and the surrounding areas. Our expert team is here to help ensure your home stays warm and comfortable.

Contact us today to schedule a service appointment and let us get your furnace back on track!

Alexander's Heating & Air Conditioning

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