The compressor is the heart of any air conditioning or refrigeration system, so when it starts showing signs of not working correctly, technicians must act quickly in order to find out what is wrong.

The latest Google Home update includes two features that detect issues with air conditioning compressors and offer a faster way to get help, preventing sweltering days when a part fails.

The weird thing about compressor problems is that — well, it’s usually not the compressor. “Electric motors, it takes a lot to break them down,” said Greg Springer. He is operations manager for ...

CR can help you find the most reliable refrigerator brands and the best combination of storage capacity, temperature control, efficiency, and more.