Is your furnace running constantly and driving up your energy bills? A continuously running furnace can signal underlying problems that need attention. Here are five common issues to check:
1. Clogged Air Filter
A dirty air filter restricts airflow, causing your furnace to work harder to maintain the desired temperature. Check your filter monthly and replace it if it looks dirty. A clean filter not only improves efficiency but also extends the life of your system.
2. Thermostat Settings
Your thermostat settings might be to blame. If the fan is set to “On” instead of “Auto,” it will run constantly, even when your furnace isn’t heating. Adjust it to “Auto” to allow the fan to run only during heating cycles.
3. Faulty Blower Motor
A malfunctioning blower motor may keep running even when your furnace isn’t heating. This issue requires professional diagnosis and repair. Ignoring it could lead to bigger, costlier problems.
4. Leaky Ductwork
Cracks or gaps in your ductwork can cause heated air to escape, forcing your furnace to run longer to compensate. Inspect your ducts for visible leaks or have a professional perform an energy audit.
5. Malfunctioning Limit Switch
The limit switch regulates the blower. If it’s defective, the blower may continue running even when it’s not supposed to. This is a job for a professional HVAC technician.
If your furnace won’t stop running despite your troubleshooting efforts, don’t wait to address the issue. At Mowery Heating, Cooling & Plumbing in Indianapolis, we’re here to help. Our team can quickly diagnose the problem and restore your system to peak efficiency. Contact us today to schedule a service appointment!
