Why Does My Furnace Distribute Cool Air in Columbus, NC?

If your furnace has been blowing cool air, something is not properly functioning. Read on to learn about some furnace issues that could cause your system to distribute cool air throughout your home in Columbus, NC.

Flame Sensor

The flame sensor is a safety device in your furnace that sends an electric current to the furnace board when it detects a flame. That tells the furnace that the flame is on. With grime or dirt on the sensor, the sensor can’t detect the flame.

In this case, the furnace usually may shut off shortly after starting or may fail to turn on at all. However, your system’s fan may continue to blow cool air as a safety measure.

Obstructions in the Condensate Lines

When moisture in the air condenses into water inside your furnace, the condensate lines should allow it to drain. Water can begin to back up when the condensate lines become clogged, making the burners turn off as a safety measure.

Leaky Ducts

Leaks in your system’s ducts will result in warm air from the furnace escaping before reaching your indoor living space. The air coming from your vents will then be cooler than it’s supposed to be.

Thermostat Set to On Instead of Auto

Thermostats can be set so that the fan automatically shuts off when the system stops running or they can be set so that it keeps running after the temperature in your home reaches the set point. When this happens, your furnace will begin to distribute cool air.

Horizon Heating & Air Conditioning, LLC offers flat-rate-pricing and a 100% satisfaction guarantee on all our services. Whether you’re having furnace issues that require repair or you simply need maintenance services in Columbus, NC, give us a call to make an appointment.

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