摘要 |
Disclosed herein are a heating, ventilating, and air conditioning (HVAC) unit and a HVAC controller. Additionally, a computer program product is disclosed. In one embodiment, the HVAC controller includes: (1) an interface configured to receive audio data from a listening system of the HVAC unit and (2) a mechanical behavior evaluator coupled to the interface and configured to verify occurrence of an event of the HVAC unit based on the audio data. |