Heat pump noise is a common concern for homeowners considering the switch, but modern systems are quieter than you may expect ...

Clicking, buzzing, rattling, banging, grinding, hissing and whistling noises each point to specific problems, ranging from ...

This may not fit in "other hardware", but this seemed to be the closest fit, so here it is. We got an outdoor heat pump with a heat strip/air handler installed at our house last year. It's working ...