As a homeowner preparing for the chill of winter, you might be exploring ways to cut heating costs. As one of the most trusted air conditioning companies in Gig Harbor, WA, All Seasons Inc. shares why closing air vents in unused rooms might seem like a simple solution but can actually harm your HVAC system, reduce efficiency, and increase costs. Understanding how your HVAC system is designed to operate can help you make smarter energy-saving decisions that protect both your comfort and your wallet.