If it is neither of these reasons causing the issue, try turning the fan switch to “on” to force the furnace to start blowing air. There Is An Issue With Your ThermostatĪlthough this may seem obvious, be sure your thermostat is set to heat and that it’s actually colder in your house than the temperature the thermostat is set to. Below we list and discuss six of the main reasons why your furnace may be not turning on, as well as things that you could try to troubleshoot the problem.
There are several reasons why your furnace may not be igniting. Top 6 Reasons Your Furnace May Not Be Turning On Most homeowners have a forced-air gas furnace, which is what we will be troubleshooting in this blog. Now that we know the common reasons why a furnace is not turning on, we will dive deeper into each reason and what can be done to troubleshoot.įirst, it is essential to know the kind of furnace that is in your home. Other reasons it won't start can stem from improper thermostat settings, forgetting to turn on the gas line, or faulty pilot light. Dirty filters cause insufficient airflow and can prevent the furnace from starting.
If your furnace is not turning on you should first check if the filter is clean. Is your furnace not turning on? Many homeowners discover that their furnace is not working when they need it most.Īssuming your furnace has been properly maintained, the problem is most likely a very simple fix that will not require the help of a professional.
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