Are you experiencing a winter chill coming from your furnace? Or maybe you feel the warmth coming out of the furnace, but it doesn’t do the job? Many factors can contribute to the hot air from the stove getting a cold reception.

With this guide, you’ll learn a few tips on what to do about no hot air coming from the furnace. Keep reading to find out more.

Investigate the Furnace Blower Motor

Make sure all necessary switches and breakers have been engaged, and circuit breakers have not tripped due to any surge in electricity. Then, turn off the power to the furnace and remove the access panel to gain better access to the blower motor.

Once the electrical connection and wiring harness have been inspected for any signs of damage or loose connections, it is important to verify that the motor is getting the correct voltage from the power supply. 

Check the Condition of the Filters

Filters catch all of the dirt, dust, and other airborne particles that enter your furnace and need to be replaced when they become clogged. If the filters are in poor condition and clogged, no air can get through, meaning your furnace can’t heat your home.

Filters should be checked at least once a month and replaced if they are caked with debris. This is a simple and cost-effective measure that keeps your furnace running efficiently, and it can save you from having to make expensive repairs later on.

Consider the Thermostat Settings

When confronted with no hot air from the furnace, consider the thermostat settings first. Check to ensure that the thermostat is set to the right temperature and that the fan is set to On or Auto.

If both of these settings are correct, check that all the vents throughout the house are open and that the filter is not dirty or blocked. If there is excessively blowing hot air coming out of the vents or the place is not warm despite the thermostat setting, then it could indicate a problem with the furnace. 

Troubleshoot the Pilot Light

Troubleshooting the pilot light on your furnace repair is an important step in addressing the issue of not blowing hot air coming from the furnace. First, identify where the pilot light is located. Make sure that the power switch is on and the gas knob is open.

Then, use a long match or lighter to re-ignite the pilot light. If the burner doesn’t remain lit, the thermocouple or the pilot tube may be blocked. To fix the blockage, use needle nose pliers to clear out any debris, such as dirt or soot.

Check the Ducts for Blockages

It may be possible that something has become stuck in the air ducts, which is blocking the passage of air. The most common issues include dust, debris, pet fur, or small toys that have made their way into the ducts.

To check for blockages, observe the air vents and look for visible signs of blockages. You can also try to feel for blockages with a long pole. 

Explore How to Fix No Hot Air From Furnace

Potential causes for no hot air coming from the furnace include blocked air filters and problems with the furnace motor. If this issue persists, it is best to call a professional HVAC technician to inspect, diagnose, and repair the unit.

They can properly address any issues and ensure the necessary repairs are completed in a timely and cost-effective manner. 

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By Manali

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