Should My Furnace Run Constantly in Alton, IL?

As long as you set a reasonable temperature for your home in Alton, IL, your furnace shouldn’t run constantly. It should cycle an average of two or three times an hour to keep the indoors warm. Let’s look at a few reasons your furnace in Alton, IL, might run constantly.

Clogged Filters or Vents

You want air to circulate smoothly through your home and the supply vents, as this will ensure a reasonable duration for each cycle and minimize energy waste. However, your air filter can clog over time if you don’t replace it every few months. The supply vents will collect dirt and debris that hinder circulation, making each cycle longer.

Bad Limit Switch

The limit switch sends a signal to the furnace to shut down once it has reached the set point. Naturally, this component can get worn out and fail to send that signal, leading to continual running. As a result, the parts in your furnace wear out faster and you’ll waste more energy, paying higher repair and heating bills.

Uncalibrated Thermostat

Before the limit switch sends its signal, the thermostat must sense that the indoor temperature and the set point are in sync. Thermostats can lose their calibration, though, and misread the temperature. Yours may think the indoor temperature is lower than it is in this situation.

Fan Set to “On” Mode

A maintenance service technician will tell you to have the furnace fan in “auto” or “off” mode so it only runs when necessary. Setting it to “on” means you’ll have the fan running even after reaching the desired temperature, which is unnecessary and causes an increase in energy usage.

Our service technicians are knowledgeable on all makes and models of furnaces and available 24/7 in case of emergencies. We pride ourselves on being a Trane Comfort Specialist and providing quality heating services to our clients. If you live in Alton, IL, and need someone to inspect and repair your furnace, call Den-Son Inc. Cooling & Heating today.

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