Furnace Pressure Switches Explained: Learn the Basics

The furnace pressure switch ensures your heating system runs safely and effectively. Without it, harmful gases like carbon monoxide could linger instead of being expelled properly. If you’ve ever wondered what keeps your furnace in check or what might be causing it to shut down unexpectedly, the pressure switch is often at the heart of it. What Is a Furnace Pressure Switch? A furnace pressure switch is a small but critical component in modern heating systems. Its principal function is to serve as a safety device. The pressure switch, located near the draft inducer motor, checks the airflow through the system to ensure the furnace’s opening system is working properly. If the pressure switch detects inadequate airflow or an obstruction, it shuts off the system to avoid dangerous operation. This mechanism is fundamental because your furnace relies on proper venting to remove harmful gases like carbon monoxide. Without a functioning pressure switch, these gases could linger in your home, creating a serious safety hazard. The pressure switch is also important for the safety of your family and the life of your heating system because it keeps the furnace’s parts from getting damaged by poor airflow. How Does a Furnace Pressure...

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What Causes Heating Repairs?

Updated On: 11/7/23 There many signs that will alert you to the need for heating repairs. The following are just a few of the most obvious and common. In some cases, you may not know why the problem has arisen, but this makes it all the more important to call a heating technician for an inspection. Inefficient Heating You may notice that the heater takes longer than usual to achieve the set temperature. You may notice that some rooms or floors are warmer than others. At the same time, your heating bills may be rising to unusual heights. These signify that the heating system is being compromised. For instance, dust may build up on the coils and other internal components of the heater, or the heat exchanger of a furnace may be cracked. Poor Indoor Air Quality When uneven heating (or cold spots) goes hand in hand with an increased presence of dust and other pollutants in the air, then you know that the issue lies in the air ducts and filters. While replacing air filters can be a DIY project, cleaning the ductwork is something that would require a heating repair professional. can send out just such a professional...

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