HVAC Repair: Different Types of Units and Associated Problems

Heating, ventilation, and air conditioning (HVAC) systems are essential for maintaining a comfortable indoor environment. These systems are responsible for regulating the temperature, humidity, and air quality in a building. However, like any mechanical system, HVAC units can experience problems that require repair or replacement. In this article, we will discuss the different types of HVAC units, the associated problems that they may experience, and how HVAC repair Carrboro NC contractors required for you. 

Central HVAC Systems

Central HVAC systems are the most common type of HVAC system found in homes and commercial buildings. They consist of a central unit that is connected to ductwork that runs throughout the building. These systems can be powered by gas, oil, or electricity and are typically controlled by a thermostat.

Common Problems

Dirty air filters: Air filters trap dust, dirt, and other particles from the air. If the filters are not changed or cleaned regularly, they can become clogged, reducing airflow and making the unit work harder than it needs to.

Leaking ducts: Ducts can develop leaks over time, which can cause the unit to work harder and increase energy costs.

Refrigerant leaks: Refrigerant is the liquid that is used to cool the air in the unit. If there is a leak in the system, it can cause the unit to stop working and require a refrigerant recharge.

Thermostat issues: A malfunctioning thermostat can cause the unit to run improperly or not at all.

Split HVAC Systems

Split HVAC systems are similar to central systems in that they consist of an indoor unit and an outdoor unit. However, the two units are separate and connected by refrigerant lines. These systems are typically used in buildings where a central unit would not be practical.

Common Problems:

Dirty condenser coils: The condenser coils are located in the outdoor unit and are responsible for releasing heat from the refrigerant. If these coils become dirty, they can reduce the unit's efficiency and cause it to shut down.

Refrigerant leaks: As with central systems, a refrigerant leak can cause the unit to stop working and require a recharge.

Electrical issues: Split systems rely on electrical connections to function. If these connections become loose or corroded, it can cause the unit to stop working.

Ductless Mini-Split Systems

Ductless mini-split systems are similar to split systems in that they consist of an indoor unit and an outdoor unit. However, these systems do not require ductwork and instead use small refrigerant lines to connect the two units. These systems are becoming increasingly popular in homes and commercial buildings as they are more energy efficient and can be installed in areas where ductwork would not be practical.

Common Problems:

Dirty air filters: As with central systems, dirty air filters can reduce airflow and cause the unit to work harder than it needs to.

Refrigerant leaks: Leaks in the refrigerant lines can cause the unit to stop working and require a recharge.

Electrical issues: These systems rely on electrical connections to function. If these connections become loose or corroded, it can cause the unit to stop working.

Conclusion

HVAC systems are essential for maintaining a comfortable indoor environment, but like any mechanical system, they can experience problems that require repair or replacement. It is important to understand the different types of HVAC units and the associated problems that they may experience to properly maintain and repair them.