Home Guide: How to Know When Your Heat Pump Needs Repair

Heat pumps are a valuable appliance installed outside the home to provide year-round comfort. It cools the indoors during summers and keeps it warm during the chilly winter months. It is perfect for homeowners who do not wish to install separate heating and cooling units.

The dual working capability of heat pumps increases the likelihood of the unit experiencing more wear and tear. As overworked equipment, the heat pump may demand occasional repairs. Catching the issues sooner will help prevent more severe damage to the system. 

Please watch out for these signs indicating that your heat pump is a little off and needs professional repairs:

Excessive and unusual noises

Homeowners who own a heat pump know that the equipment is noisy and eventually become familiar with the sounds it usually makes. But if the system is making loud, unfamiliar rattling, hissing, clicking, or grinding sounds, it is a sign that it is time to call an HVAC technician. A hissing heat pump may mean a leak somewhere in the system, grinding sounds often indicate an overheating air handler motor, and a clicking noise may indicate a failing capacitor. Professionals can inspect the unit to determine the cause and take appropriate steps to fix the issue.

Reduced heating or cooling output

An overall reduction in the heating and cooling output is not a good sign and indicates that something is amiss. A heat pump may lose efficiency due to faulty parts or old age. A leak in the refrigerant line, ice build-up on the outside, stuck or broken reversing valve, a malfunctioning fan, fan motor, or electronic control board can cause your heat pump to run less effectively. Please call a professional to examine the system if the heat pump is acting up.

High electricity bills

A sudden, unreasonable rise in your cooling bills without a significant change in the usage can indicate a malfunctioning heat pump and the need to schedule a professional visit. Although heat pumps are very efficient, sometimes, incorrect installation, dirty filter, low refrigerant charge, grounded wire, or a damaged coil can cause them to lose their efficiency. An AC repair service professional can inspect the system and restore it to ensure optimal performance. 

Short cycling

A short cycling heat pump fails to complete the heating and cooling cycling. This problem means that it turns on and off more frequently than usual. It affects the unit's efficiency and leads to a spike in your energy bills. A heat pump may short cycle for various reasons, including a malfunctioning compressor, refrigerant leak, or thermostat issue. Therefore, we recommend calling a professional to examine your system.

Frozen coils

It is usual for the heat pump to have some ice on it. However, completely frozen coils or excessive ice build-up affects system functioning and puts the components at the risk of damage. Insufficient airflow due to dirty air filters and refrigerant leaks can lead to iced-over coils. A technician can quickly find and fix the cause. 

Keep your heat pump in prime condition

We have explored the heat pump warning signs that demand immediate attention. If you notice any of these signs, act now. Get in touch with a professional air conditioning and heating service to schedule the necessary repairs.


Stud Air Conditioning is a full-service installation, maintenance, and repair HVAC company serving Broward, Miami-Dade, West Palm Beach, and Port St. Lucie counties. Call us when you need help with your heating or cooling needs at (954)324-2905. We can help!

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