How does setting a thermostat to a lower temperature than necessary affect the HVAC system?

Setting a thermostat to a lower temperature than necessary can indeed lead to unnecessary wear and tear on the HVAC system. When the thermostat is set significantly lower than what is actually needed to maintain comfort, the HVAC system works harder and runs for longer periods without turning off, which can lead to overworking the compressor and other components. This constant operation can result in higher maintenance needs, a decrease in the lifespan of the equipment, and increased likelihood of breakdowns.

For efficient and optimal operation, it’s best to set the thermostat to a temperature that provides comfort without placing excessive demands on the system. This balance promotes energy efficiency and prolongs the life of the HVAC system, while avoiding unnecessary stress on its components.