Running your air conditioner at a low temperature setting like 70 degrees Fahrenheit is not inherently bad for the equipment, but it can be detrimental to your monthly utility budget and energy efficiency. Setting the thermostat to 70 degrees forces the air conditioning system to work much harder and run for significantly longer periods to maintain that cool indoor temperature, especially during hot summer months. This prolonged runtime increases wear and tear on electrical components, blower motors, and the compressor, while driving up your electricity consumption considerably. Furthermore, setting the home too cold can sometimes lead to excessive indoor dryness or cause the system to overcool certain areas. Most energy authorities recommend setting your thermostat between 72 and 78 degrees Fahrenheit while home to strike an optimal balance between personal comfort and reasonable energy usage.
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