When winter arrives, one of the last things you want to find is that your furnace is blowing cold air instead of the warm air you were expecting. This can be a worrying experience, especially if you’ve never had to deal with it before. Fortunately, understanding why your furnace might be blowing cold air can help you identify the problem and get it fixed quickly.

Common Reasons Why Your Furnace Is Blowing Cold Air

If your furnace is blowing cold air, it can be a sign of a serious issue. Below, we’ll go over some of the common reasons why your furnace is blowing cold air and how you can fix them.

1. Pilot Light is Out

The first common reason why your furnace is blowing cold air is that the pilot light is out. The pilot light is responsible for igniting the gas that heats up the air, so if it’s not lit, your furnace won’t be able to produce any heat. To fix this issue, you’ll need to relight the pilot light.

2. Blocked Airflow

Another common issue is blocked airflow. If the vents or ducts in your furnace are blocked, then the warm air won’t be able to circulate properly. To fix this issue, you’ll need to unblock any vents or ducts that are blocked.

3. Faulty Thermostat

Your thermostat is responsible for telling your furnace when to turn on and off. If your thermostat is faulty, then it may not be able to read the temperature in your home, and your furnace accurately might not turn on when it should. To fix this issue, you’ll need to replace the thermostat.

4. Dirty Air Filter

A dirty air filter can prevent your furnace from producing warm air. The air filter is responsible for filtering out dust, dirt, and other particles from the air, so if it’s clogged or dirty, then it won’t be able to circulate the air properly. To fix this issue, you’ll need to replace the air filter.

5. Faulty Ignition System

Your furnace’s ignition system is responsible for igniting the gas that produces heat. If this system is faulty, then your furnace won’t be able to produce any heat. To fix this issue, you’ll need to replace the ignition system.

Hiring a Professional When My Furnace Is Blowing Cold Air

A professional HVAC technician has the experience and knowledge to diagnose and repair your furnace quickly and efficiently. Here are some of the reasons why it is important to hire a professional when your furnace is blowing cold air.

1. Professional Knowledge

Professional HVAC technicians are trained and certified to diagnose and repair any furnace issue. They have the experience and knowledge to identify the cause of the problem and repair it quickly and efficiently.

2. Safety

Furnaces can be dangerous if not handled properly. It is important to hire a professional who is familiar with furnace safety and can make repairs without exposing you and your family to any risks.

3. Cost Savings

You may think that it is cheaper to DIY your furnace repairs, but this is not always the case. Professional HVAC technicians have access to the right tools and parts to get the job done quickly and correctly. This will help you save money in the long run by avoiding costly mistakes.

4. Warranty

Many companies offer a warranty on their services. This means that if the problem is not fixed correctly, the company will come back and make the necessary repairs at no additional cost.

Conclusion

There are a few reasons why your furnace might be blowing cold air. It could be that the pilot light is out, the thermostat is set to “off,” the furnace switch is in the “off” position, the furnace door is open, or there’s a problem with the furnace itself. If you’re not sure what the problem is, it’s best to call a professional to take a look.

If you need furnace repair in Kentucky, you can hire us at Thompson Heating & Cooling. We have been providing HVAC services to residents of La Grange, Louisville, and the surrounding areas with our high-quality equipment. Get in touch with us at Thompson Heating & Cooling to hire our HVAC services.

Discover more from Thompson Heating & Cooling

Subscribe now to keep reading and get access to the full archive.

Continue reading