In this episode, Derek breaks down what homeowners can safely do to maintain their HVAC systems—and where DIY crosses the line into dangerous territory. Learn what you can handle on your own, what should be left to the pros, and how to keep your comfort system running strong without costly mistakes. Brought to you by Simmons One Hour Heating & Air Conditioning, serving Fayetteville, Pinehurst, Sanford, Laurinburg, and beyond.