Furnace Not Blowing Hot Air Upstairs
![Panasonic 42pst1u6 Single Split System Ceiling Suspended Air](https://i.pinimg.com/originals/45/7e/15/457e157d71f8dd9784d27cf3932cfeb3.jpg)
Well it s not cold cold it s just room temperature.
Furnace not blowing hot air upstairs. Simply put a clogged air filter can cause your furnace to overheat shut itself off and give you the illusion of a furnace not blowing air when in fact it is your air filter that is causing your furnace to turn itself off as a safety precaution. When overheating your furnace can trip a high limit switch causing the furnace burners to shut off so that the heat exchanger does not crack. You can hear the furnace running and you can even feel air coming out of the registers. But it s not hot air coming out it s cold.
As soon as the thermostat registers that the temperature has fallen below a certain threshold point the system kicks on blowing furnace heated air through. The house is cold. Steven lavimoniere 6 394 views. We have one furnace located in the attic.
Change the air filter and see if your furnace starts only blowing warm air. As if the furnace is just recirculating the air in your house without actually heating it. Heat pump if. Repeated overheating will hurt the furnace s heat exchanger which is expensive to fix.
Check the furnace s air filter your furnace may be blowing cold air because the filter is too dirty. Electric heater inspect the electrical panel for tripped circuit breakers and reset them. Gas furnace see if the gas supply line valve is open it may have been closed during the summer. It all starts with the thermostat.
Don t ignore this problem. The dirty air filter will block airflow causing the furnace to run longer to heat your home until it overheats. Hot air gas furnace will not heat house duration. Heat blows downstairs but not upstairs.
Issues with the furnace heater sometimes the problem may be the heating system itself. We just moved into our house 2 months ago when the weather was warm and we used the ac.