The best summer AC temperature? Experts have an unpopular answer.

Summer 2025 is here and temperatures are reaching dangerous levels, making air conditioning important for comfort and safety.

But what temperature should you set your thermostat at? The answer is a balancing act between energy savings, comfort and safety.

“It is essential to stay cool during hot weather — use air conditioning or go to a cool place where you feel comfortable,” Dr. Michelle Morse, New York City’s acting health commissioner, said in a statement. “Heat is dangerous, but taking certain precautions can prevent illness and protect your health.”…

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