Extreme summer heat isn’t just uncomfortable—it’s becoming the new normal across the United States. As record-breaking temperatures sweep through states from Arizona to Florida, millions of homeowners are left wondering why their air conditioners seem to run nonstop yet still can’t keep up. If you’ve noticed your AC blowing warm air, running constantly, or failing to cool your home to the temperature you set, you’re not alone. This doesn’t always mean your system is broken. More often, it means your AC is being pushed beyond its design limits. In this guide, we’ll explore why most air conditioners struggle during U.S.…