Furnace Will Not Turn On With Thermostat

image of homeowner adjusting thermostat depicting furnace not turning on with thermostat

When people feel cold indoors, they rush to the thermostat for comfort. Pressing a few buttons should turn the furnace on and start a heating cycle. Soon, warm air should flood the home and provide relief. However, some might encounter problems such as a furnace that will not turn on with the thermostat.