No one enjoys the sound of their heating system blowing cold air, especially in the middle of winter. Unfortunately, this is a common problem that many homeowners and business owners face. There are a few reasons why your heating system blows cold air, but don’t worry – we’ll help you troubleshoot the issue and get your heating system up and running again in no time!
In this blog post, we’ll take a look at some of the most common causes of this problem and provide tips on how to fix them. Keep in mind that these are just general guidelines; if you’re not comfortable performing any of these repairs yourself, please consult a professional HVAC technician.
6 Reasons Your Heating System Blows Cold Air
Broken heating systems are not an uncommon problem. Sometimes you can do a little fixing to get it working again. In some cases, you may need the help of a professional. Here are six common reasons why your heating system blows cold air.
1. The furnace filter is dirty and needs replacement.
One common reason why your heating system might blow cold air is because the furnace filter is dirty and needs replacement. The furnace filter is responsible for trapping dirt, dust, and other debris from entering the furnace.
Over time, the filter can become clogged with these particles, which can reduce airflow and cause the furnace to work harder to heat your home. As a result, it’s important to check the furnace filter on a regular basis and replace it when necessary. If you’re not sure how to do this, you can always consult your owner’s manual or call a professional for help.
2. There might be leaks and damages in the ductwork.
If your heating system blows cold air, there might be leaks and damages in the ductwork. Over time, the ductwork in your home can become damaged, especially if it’s made of metal. Leaks can form, allowing heat to escape before it reaches your living space.
In addition, dents and other damage can cause the ductwork to become blocked, preventing heat from flowing through. As a result, it’s important to have your ductwork inspected on a regular basis to ensure that it’s in good condition. Otherwise, you may find yourself shivering all winter long.
3. Wrong thermostat setting.
One potential reason why your heating system may be blowing cold air is because the thermostat is set to the wrong temperature. The thermostat is what tells the heating system when to turn on and off. That is why if it’s not set to the correct temperature, the system won’t work properly. Additionally, make sure that the thermostat is set to “heat” mode and not “cool” or “off.”. If you’re still having trouble, it’s possible that there is an issue with the heating system itself and you should contact a professional for help.
4. The furnace is not properly sized for your home.
If your furnace is the wrong size for your home, it can cause a variety of problems. One of which is that your heating system blows cold air. This is because a furnace that is too small will have to work harder to heat your home. As a result, the air that it blows will be cooler.
Conversely, a furnace that is too large will not have to work as hard, and the air that it blows will be warmer. In either case, you won’t be getting the optimal temperature from your furnace, and you’ll likely be uncomfortable. If you think that your furnace might not be properly sized for your home, it’s best to consult with a professional to get their opinion.
5. The furnace is not properly maintained.
A furnace that is not properly maintained is a common reason why your heating system blows cold air. While there are a few different things that can contribute to this problem, one of the most likely culprits is a build-up of dust and debris in the unit. Over time, this can cause the furnace to overheat, which in turn can cause the air to be blown out cold.
In addition, a furnace that is not properly maintained may also have issues with its pilot light. If the pilot light goes out, it can take a while for the furnace to start back up again, during which time the air will be blown out cold. To avoid these problems, it is important to have your furnace regularly serviced by a qualified technician. By doing so, you can help ensure that your heating system blows warm air all winter long.
6. The vents are open and unobstructed.
Another reason why your heating system blows cold air is because the vents are open and unobstructed. The vents allow air to flow freely into and out of the heating system. That is why if they’re blocked, the system can’t function properly.
Another possibility is that the thermostat is set to “heat” but the temperature isn’t high enough. If the room temperature is lower than the thermostat setting, the system will run continuously. Unfortunately it won’t generate enough heat to warm the space.
Finally, make sure that the switch on the furnace is set to “on.”. If it’s set to “off,” the furnace won’t turn on at all, regardless of the thermostat setting. By troubleshooting these simple issues, you can often get your heating system up and running again in no time.
Call for an Inspection if Your Heating System Blows Cold Air
Obviously, this is not a reason why your heating system blows cold air. This is simply a reminder that if all those solutions mentioned above do not work, it’s best to call in a professional. We can check your heating system more accurately and figure out what the problem might be.
The longer you wait for a professional HVAC technician to check your heating system, the more problems you might be having. Hence, it’s best to call a professional technician if your heating system is pushing cold air for quite some time.
Lynnwood Heating LLC
If you’ve tried all of these solutions and your heating system is still blowing cold air, it’s time to call in a professional technician. They can inspect your heating system more accurately and figure out what the problem might be. Call us today and let our professional technicians check your heating system anytime!
