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Month: August 2016

A/C fan “on” or “auto?” Which uses less energy?

Hi Victoria, that’s a great question, and I’m happy to give you the facts to share with your friend. First of all, it’s important to understand that the on/auto fan switch on your A/C thermostat will affect the price you pay to cool your home. That’s because the A/C fan circulates the cool or warm air throughout your home. Switching the fan to “on” will make the A/C fan run continuously – all day long. If you choose the “auto” setting, this will allow the fan to shut off with the rest of the cooling system as soon as your desired temperature is reached.

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