Energy Waste Signals When Your AC Unit Cycles Beyond 3 Minutes Per Run
https://precision247yearround.capitaljays.com/posts/deciding-between-hvac-repair-and-replacement-takes-more-than-age-alone
The 3-minute rule for air conditioners means your unit should not run continuously without cycling off; if it runs longer than 3 minutes per cycle during mild weather, it signals inefficiency that drives operating costs upward through excess energy