Heat Pump

6 Important Components of Your Heat Pump in Odessa, TX

November 28, 2022

If you’re in the market for a new heat pump, it’s important to understand the different components it contains. When you’re shopping, understanding how heat pumps work will help you make an informed decision. Here are six important components of your heat pump in Odessa, TX.


The compressor is the heart of the system and sits between the condenser and evaporator coils. The main function of the compressor is to circulate refrigerant through the system. An electric motor drives the compressor, and it uses a small amount of oil to lubricate the moving parts.

If the compressor isn’t working properly, it can cause the entire system to fail. Some signs you may notice include a heat pump not providing enough heating or cooling or strange noises coming from the unit. Either of these means it’s time to call on a trained service technician for HVAC repairs or maintenance.

Evaporator Coil

The evaporator coil sits in the indoor unit, where the refrigerant absorbs heat from the air. The refrigerant then travels to the outdoor unit, which releases heat.

If your evaporator coil leaks, it can cause your heat pump to fail. You may also see ice forming on the coil. If you notice either of these issues, call for repairs right away.


Refrigerant helps transfer heat from the indoor unit to the outdoor unit. It’s a key component of the heat pump system and needs to be at the right level for it to work properly. As the refrigerant circulates through the system, it evaporates and condenses to absorb and release heat.

If your system is low on refrigerant, it can cause the heat pump to fail. You may also notice that your system isn’t providing enough heating or cooling. Always have a professional check the level of refrigerant and add more if needed. Never attempt to handle refrigerant yourself; it can be hazardous to you and the environment.


The condenser is responsible for releasing heat from the refrigerant so it can circulate back into your home. It’s in the outdoor unit and has a fan that helps circulate air over the coils. The coils have refrigerant, which helps to release heat from the unit.

If your condenser is leaking, it can cause the heat pump to fail. Ice forming on the coil is another sign of a problem. If you notice either of these issues, call for repairs right away.

Expansion Valve

The expansion valve regulates refrigerant flow into the evaporator. It works by modulating the pressure of the refrigerant. If the expansion valve isn’t working properly, your heat pump will have to work harder to cool your home, leading to higher energy bills.

Common issues with the expansion valve include a stuck valve or a clogged filter. You can check the expansion valve for these problems by removing the access panel and looking for a blockage. Failure to properly maintain the expansion valve can lead to serious damage to the heating and cooling system.


The fan is the cooling component of the heat pump and helps circulate air over the coils. It sits in the outdoor unit and has a cage that protects the blades. The fan needs to be clean and free of debris so that it can properly circulate air.

When the fan is full of dirt or debris, it can cause the heat pump to overheat and fail. Other common issues to look out for include a broken blade or a seized motor. Resolve any problem with the fan as soon as possible to avoid further damage to the heat pump.

These heat pump components are the most important, but many other parts work together to keep your system running smoothly. Maintenance is vital not only for the sake of your comfort but also to save money on your utility bills.

To schedule heat pump service or get answers to any questions you may have, contact us at (WTR) West Texas Refrigeration for assistance. We’ll be happy to help you keep your heat pump running properly.

Image provided by iStock

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