Turn it off or turn it up? How to save on that A/C bill

on the cooling system because it can take an air conditioner 15 to 30 minutes before it is performing most efficiently. That extra workload could mean more calls to the HVAC repair shop.

What you can do:

Phelan estimated that getting a smart thermostat could result in a 10% savings as the device learns the patterns of the household and when people are continue reading …