Understanding Furnace Icing:
Understanding Furnace Icing: Insights from Brothers HVAC
Discovering icing on your furnace can be a concerning sign that shouldn't be ignored. Here are some important considerations to keep in mind regarding furnace icing:
Airflow Issues
Icing can occur when there's restricted airflow across the evaporator coil of your air conditioning system. This restriction might be caused by a dirty air filter, blocked vents or registers, or a malfunctioning blower motor. When airflow is insufficient, the evaporator coil can become too cold, leading to icing.
Refrigerant Problems
Low refrigerant levels can also contribute to excessive coldness of the evaporator coil, resulting in icing. This issue might become more complex if your AC unit uses R22 refrigerant, which is being phased out due to environmental concerns. Adding or repairing refrigerant in such systems may require special attention.
Thermal Expansion Valve (TXV) Issues
The TXV plays a crucial role in regulating the flow of refrigerant into the evaporator coil. Malfunctions or improper adjustment of the TXV can lead to icing problems.
Defrost Cycle
Certain heat pumps or AC units are equipped with a defrost cycle designed to melt accumulated ice on the evaporator coil. If your unit has this feature, the icing you observe might be part of normal operation.
Seeking Professional Assistance
If you're new to your home and unfamiliar with the specifics of your AC system, it's wise to consult a professional HVAC technician. They can assess the situation, diagnose any underlying issues, and provide appropriate recommendations for resolving the icing problem. Addressing potential HVAC problems early can prevent further damage and ensure efficient and safe operation of your system.
At Brothers HVAC, we understand the importance of maintaining a comfortable and functional home environment. If you're experiencing furnace icing or any other HVAC concerns, don't hesitate to reach out to our team of experienced technicians. We're here to provide expert assistance and reliable solutions tailored to your needs. Schedule a service today and let us help you keep your home comfortable year-round.