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"Setting Your Thermostat for Maximum Energy Savings" by Jeffrey Orloff claims that during warm months, setting an air conditioner less than 78 °F, or greater than 68 °F in cold months, is most efficient.
Another page claimed that going down to 72 °F in the summer months can increase energy usage by 50%. Why are A/C more efficient the lower the temperature they must cool to? Thanks
Another page claimed that going down to 72 °F in the summer months can increase energy usage by 50%. Why are A/C more efficient the lower the temperature they must cool to? Thanks