Why is my luxaire furnace blowing cold air?

Why is my luxaire furnace blowing cold air?

The furnace has overheated. Another possible cause for cold air coming out of your furnace is furnace overheating. The air filter could be dirty, and replacing the filter will solve the problem. A dirty filter blocks the airflow, making the furnace work harder for heating the house.

What does it mean when furnace is blowing cold air?

Your furnace may be blowing cold air because the filter is too dirty. A dirty air filter blocks airflow over the furnace’s heat exchanger, causing it to overheat. 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.

Where is the reset button on my luxaire furnace?

How to Find My Furnace Motor Reset Button

1. Turn off the power to the furnace at the circuit breaker.
2. Lift up the blower compartment cover to access the blower wheel and blower motor.
3. Look for a small red or yellow button on the side of the blower motor.
4. Press the reset button down if it has popped up.

Why is my electric furnace blowing cold air?

Dirty Filter If your filter gets dirty, it can block the airflow in the heat exchanger. This can mean that the whole furnace overheats. As a result, it may break and cooler temperatures might come out of the furnace. If this is the case, you may just need a filter to be replaced.

When should I put the heat on in my house?

That said, experts recommend turning on the heat when the indoor temperature is below 64 degrees Fahrenheit. If you have children, seniors, or people who are sick that threshold might need to be a bit higher. Set the thermostat lower when you go to bed.

What temperature outside should you put the heating on?

The Energy Department says 68 degrees “while you’re awake and setting it lower while you’re asleep or away from home” is ideal. In general, the smaller the gap between the outside and inside temperature, the lower your energy bill.