When your furnace keeps running after the temperature has been reached: Check the blower motor – Your forced air heating system uses a blower to push air through ducts and into your living space; sometimes, the blower runs at the same time that your furnace is heating the air, but sometimes it runs on its own.
Why is my furnace heating past set temperature?
Leaks in your ductwork will cause your furnace to keep running. Over the years, your ductwork can become loose, unsealed, and develop holes. Although faulty ductwork can seriously inhibit your furnace’s ability to reach the temperature to which you set the thermostat, it’s a pretty easy fix.
Why is my house hotter than thermostat setting?
Poor air flow, bad sensors, or other broken components can also cause room temperatures to be different than your thermostat setting. The biggest clue that your furnace is the culprit is your heating bill.
Why does my thermostat setting not match my home’s temperature?
Sometimes when the room temperature doesn’t match the thermostat setting, the problem could be a dirt buildup in its interior parts. As part of a furnace or air conditioning tune-up, a professional will inspect and clean the wiring of your thermostat so you won’t have to worry about this issue!
Why is my furnace running so much?
The most obvious cause of your furnace running frequently is the temperature outside. If temperatures are exceptionally cold and your house is poorly insulated, your furnace will naturally have to work harder to keep your home warm.
Why won’t my furnace shut off?
On your thermostat, look for the fan settings. There should be two, “ON” and “AUTO.” If it seems like your furnace won’t turn off, the thermostat may be set to “ON” for the blower. Toggle the switch to “AUTO” so your furnace’s blower fan only runs during a heat cycle.
Why doesn’t my furnace shut off?
If your furnace won’t shut off, you likely have one of the following issues: Thermostat issue. Dirty air filter. Faulty blower.
Why does my furnace run every 5 minutes?
Losing too much heat through the roof, windows, or doorways will cause your furnace to run more often. High ceilings and single-pane windows are common culprits. If your furnace only turns on for a few minutes at a time, but your home never warms up, it’s probably short cycling.
