Just like the case of heating problems, problems with thermostats, stemming from bad temperature readings and system miscommunications, could lead to cooling problems of the system.
High upfront costs
Challenges in sustainability of heat transfer fluids
Challenges with heat pump valve failures
Cooling problems with heat pumps
Leakage of heat pump refrigerants
Noise challenge with heat pump operations
Design challenges for heat pumps
Poor heat pump installation
Challenges in cold temperature operations
Challenges with heat pump operations and performance in cold regions