Why is my electric heat blowing cold air?
More often than not, electric heaters blow cold air when its filters are clogged, and that’s why it’s the first thing you should check. Start by turning your heater off and inspecting the filters. If the filters are caked with dust, then it’s likely the culprit behind your heater’s malfunction.
Why is my electric furnace not blowing hot?
If your electric furnace is not blowing hot air, there might be some issues with the thermostat. … If your thermostat runs on a battery unit, you need to check regularly if the battery is dead. Such batteries tend to send faulty temperature reading. This problem is especially common in older units.
What do I do if my heater is blowing cold air?
Check your air filter
When a furnace overheats, safety sensors kick in and turn it off and then blow cold air to cool your furnace. If you notice cool air blowing and/or your furnace frequently turning off, a simple air filter replacement may do the trick. Do this: Regularly replace your air filter.
How do you reset an electric furnace?
How to Reset an Electric Furnace
- First, turn off the power supply to the furnace by turning off the breaker in the circuit box.
- Locate the reset button on the furnace and press it to reset the furnace. …
- If the button is popped up, press it down.
- Return the cover to the blower compartment and turn the power on.
How hot should the air from my electric furnace be?
Measured at the furnace the supply air temperature typically ranges 40-70 °F above the return air temperature. A furnace data tag will usually give a maximum outlet air temperture (typically around 170°F) as well as a temperature rise (typically 40-70°F).
Why is my heater not heating?
Dirty filters are the most common cause of furnace problems. Dust and dirt restrict airflow—and if the filter gets too clogged, the heat exchanger will overheat and shut off too quickly, and your house won’t warm up. If the blower is running but no heat is coming out, replace the filter.
Why is my heater not reaching set temperature?
What Causes Thermostat Not Reaching Set Temperature Problems? … The thermostat is in a location that is not optimal. Your air conditioner or furnace itself is having a problem. Dirty ducts or vents are causing airflow issues.
Why is cold air coming out of my vents when heat is off?
Clogged air filters could be causing cold air to blow out of your vents. A dirty air filter can block airflow over your furnace’s heat exchanger, which can cause it to overheat.