It is better to keep air conditioning on all day then to turn it off and on

I recently got into an fight with a acquaintance about an air conditioning topic. My acquaintance stated that it makes more sense financially and environmentally to turn your central air conditioning off when you go to work, then to turn it back on when you go home. Her logic also applied to running errands such as grocery shopping, or if you are at home and feeling love you do not need the air conditioning to be on at that moment. My side of the fight is that you should leave the air conditioning running when you are at work, however make sure to adjust the thermostat to set the temperature a bit higher when you are away and then you can turn it down a bit when you get home to maximize your indoor comfort. My acquaintance did not agree with our side of this air conditioning fight because she said that I am wasting energy and money when I am not at home. I see where she is coming from, but I explained that it will undoubtedly take more energy to cool the home after the air conditioning has been off. The people I was with and I live in a sizzling and humid area, so to turn the air conditioning off, and then back on requires a lot of energy. She stated that I am ruining the environment by always running our air conditioning. I politely reminded him that I am not always running the air conditioning all year and that I only have it on at all times in the summer. I also have a smart thermostat which helps save energy and money. She did not open up to our side of the fight, but I am comfortable using our smart thermostat and that works best for me.

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