When summer temperatures soar, a malfunctioning air conditioner can quickly turn your home into an uncomfortable space. One of the most common complaints homeowners have is: “Why is my AC not cooling?” Whether your AC is blowing warm air or simply not keeping up with the heat, there are many potential reasons for the problem—and qualified HVAC contractors are your best resource for diagnosing and fixing it. In this article, we’ll explore the most common causes of AC cooling issues, the critical role HVAC contractors play in resolving them, and how to prevent future problems through maintenance and professional care.