Heater goes on and off

If your furnace keeps turning on and off repeatedly, it can be stressful at best, and cold or downright uncomfortable at worst. When your furnace is working properly, it automatically cycles on when it senses that the air is too cold. When the temperature in your Arlington, VA home or business is comfortable, the heating system shuts itself off in response.

The average furnace cycles on and off three to six times every hour. Not only does this decrease your comfort, it can damage your furnace.

Well, it depends on your situation.

Just by cleaning off the sensor, the furnace will stay on.

Diagnose furnace blower problems: this article describes what to check if the warm air heating blower fan cycles on and off after the call for heat has stoppe that. The issue is known as short cycling, and there are many possible causes. You already realize that failure to fix the problem will prevent you from being able to keep your home comfortable during cold weather.

This may very likely be the problem.

My furnace shuts off before reaching the set temperature on the thermostat. My gas furnace kicks on then shuts off. Solution: sand down flame sensor!

I can light my pilot light and it will stay on and then it will turn on the burner.

Once the burner is done heating the water it turns off but also turns off the pilot every time. So the pilot has no problem staying on but something is turning off the pilot when it is done heating. UNPLUG THE UNIT and make sure the.

Why does my heater turn on and off all the time? The heater might start turning on and off . FURNACE FAN CYCLES AFTER HEAT - CONTENTS: what to check if the forced warm air furnace blower keeps cycling on and off after the thermostat has been satisfied and the call for heat has. What do you do if the blower fan goes on for its cycle then shuts off only to go on again, going on and off too many times.

Just set it one calibration mark closer to the “longer” setting if the furnace goes off and on too frequently or one mark away if the furnace allows room temperature to rise too high or drop too low before going on or off.

If the blower is running but no heat is coming out, replace the filter. A dirty filter also causes soot buildup on the heat exchanger, reducing the efficiency of the furnace and . WARNING: Furnaces are expensive, complex pieces of equipment. Gas Furnace Ignition Sequence: Thermostat calls for heat.