Can a faulty thermostat cause a furnace not to heat?
Some common symptoms exhibited by your furnace may actually be due to a faulty thermostat. After you have confirmed that the furnace is not the problem, you should check the thermostat. Problem with a thermostat can manifest as a furnace that produces no heat, wild temperature swings, or a furnace cycling on and off too frequently.
Why does my furnace not ignite when I Turn on the heat?
5. The Pilot Light (Faulty Ignition Sensor) The pilot light or ignition sensor is usually the most common issue when your furnace will not ignite. This is typically the problem if you can hear your furnace click on but it does not fire up.
What to do when your furnace won’t start up?
Although 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. 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.
How do you replace a gas furnace thermostat?
Fortunately, the thermostat on your gas furnace controls is pretty easy to replace yourself. Just open your control box and locate it. Take it out and then go to your local HVAC supplier and have them match it up with a new thermostat. To install it just reverse the process you used to take it out. When it’s Time to Call an HVAC Technician?
Some common symptoms exhibited by your furnace may actually be due to a faulty thermostat. After you have confirmed that the furnace is not the problem, you should check the thermostat. Problem with a thermostat can manifest as a furnace that produces no heat, wild temperature swings, or a furnace cycling on and off too frequently.
5. The Pilot Light (Faulty Ignition Sensor) The pilot light or ignition sensor is usually the most common issue when your furnace will not ignite. This is typically the problem if you can hear your furnace click on but it does not fire up.
What should I do if my gas furnace is not working?
You can try replacing the filter and checking the power and gas line to your furnace. If simple fixes don’t do it, it’s probably time to call in a pro. Furnaces and thermostats must be correctly matched to one another in order to function correctly.
Fortunately, the thermostat on your gas furnace controls is pretty easy to replace yourself. Just open your control box and locate it. Take it out and then go to your local HVAC supplier and have them match it up with a new thermostat. To install it just reverse the process you used to take it out. When it’s Time to Call an HVAC Technician?
