If your furnace is apparently blowing cold air, it might be an issue with the ignition system. Ultimately, there are many things that can cause a furnace not blowing air. If your furnace is down, you then may want to consider about investing in a bit more money and buy a sensible thermostat. Each modern furnace contains a security shutoff switch which gets triggered while the furnace gets overly warm.
Furnace Not Blowing at a Glance
If your furnace is the incorrect size then you are going to need to find a new furnace. Just like many of these furnace difficulties, there are a lot of reasons for your furnace to quit blowing air, a few of which you’ll be able to troubleshoot yourself and some of which will take a certified HVAC contractor. Modern-day furnaces are complex parts of machinery that have changed a good deal through the years, and there are lots of reasons for a furnace that won’t shut off.
Without aregular maintenance program, furnaces can experience all types of issues. Check the whole length of your ductwork while your furnace is operating. The furnace is suffocating without enough air, so it must work harder and run more time to heat your house. Your furnace is running everything appears to be fine, but then you start to observe that the air isn’t warm in any respect, actually, it’s downright cold. If you’ve got an old furnace or boiler, you might have a pilot light.