HVAC Blowing Cold Air in the Winter: Should You Be Worried?

Many homeowners notice their HVAC systems performing differently during the winter. While your system may work less efficiently during the winter months, it is usually nothing to worry about. However, some instances may warrant a professional inspection.

This article will cover the most common causes of an HVAC blowing cold air in winter and how to address them. If you need further help with your heating or cooling, turn to Dr. Cool, Columbia's AC repair experts.

Causes of HVAC Blowing Cold Air

Your HVAC system may blow cold air in the winter for several reasons. The following sections will review some of the most common reasons, but you can contact the experts at Dr. Cool to find out the exact problem with your unit. 

Insufficient Insulation

The most prominent reason stems from your home losing heat faster than your heating system can produce it. Most modern homes are well insulated and have heating and cooling systems that strive to maintain a consistent temperature throughout the house. However, the temperature will drop in a poorly insulated home as your heating system cannot keep up with the heat loss.

If you notice a difference between your thermostat settings and the temperatures in your home, you may need to look closer at the insulation throughout your house. When checking insulation, focus on the attic, basement, and exterior walls. Additionally, you may consider upgrading to a high-efficiency furnace to increase efficiency and reduce your monthly energy bills.

Clogged Air Filters

Another potential cause of the HVAC blowing cold air in winter is dirty air filters. The air in your home circulates through your air ducts to provide heating and cooling. If your filter becomes clogged, it can cause a blockage in your ductwork, which can prevent the system from circulating warm air through the house properly.

You may need to change the filter regularly to ensure that the heat exchanger can circulate clean air through your ductwork and maintain a consistent temperature throughout your home. If you have pets that shed a lot of hair or have small children, you should change your air filter more often than the recommended monthly schedule.

Blocked Ventilation

In certain cases, poor ventilation can also cause your HVAC system to blow cold air. For example, if the vents in the ceiling have furniture or other items over them, they may restrict the flow of air and prevent your system from working effectively. If they become partially blocked, it may be a good idea to rearrange your furniture to eliminate any restricted airflow. Finally, it may seem obvious, but checking your pilot light is also crucial, as it can disable your primary furnace burner if it goes out.

How To Address HVAC Cold Air Problems? 

Wintertime can cause many problems with your heating and air conditioning systems. The extreme temperatures and cold wind outside can make the indoor air in your home uncomfortable and even unhealthy.

If these problems lead to your HVAC blowing cold air in winter, you need to address them quickly before becoming more substantial. Be we list some things you can try if you have problems with your heating or air conditioning systems.

Check Your Filters

One of the main causes of problems with your heating and cooling systems during the winter months can be dust buildup on your filters. This issue is particularly common if your heating system has been on for a long time since hot air causes the dust to accumulate over time. You can solve this problem by replacing your old filters with new ones or, temporarily, by cleaning the old ones.

Schedule an Inspection

Another way to prevent problems with your HVAC system concerns scheduling regular inspections and maintenance calls. This practice can help you avoid major repairs and keep your system running efficiently throughout the year.

Address Problems Quickly

Finally, it's a good idea to address any issues that arise quickly to prevent more significant problems from developing. For example, if your heating or cooling systems malfunction, call a technician as soon as possible to get the system up and running again.

Schedule Expert HVAC Services Today

If your HVAC system acts up, the experts at Dr. Cool provide expert AC maintenance services at affordable prices. We can diagnose and repair all types of heating and air conditioner issues quickly and effectively.

Is your HVAC blowing cold air in winter? If so, or it does not work at all, call us today at 803-368-5500 to schedule an appointment.