All About Duct Sealing – Finding and Fixing Leaks

Learn How to Air Seal Ducts! Leaky ductwork can waste up to 20–30% of the heated or cooled air you're paying for. Follow our Field Specialist, Adam, as he walks us through a basement of ductwork and tells us about the important steps in how to properly locate and seal ducts so your home becomes more comfortable, efficient, and cost-effective to heat and cool. In this video you’ll learn: ✅ Why duct sealing is one of the highest-ROI home upgrades ✅ How to identify high impact areas ✅ Which materials actually work (mastic vs foil tape… NOT “duck” tape!) ✅ Step-by-step instructions to apply mastic sealant the right way ✅ How to safely seal around boots, joints, and hard-to-reach connections 🛠 Tools & materials covered in the tutorial: • Mastic duct sealant • UL-rated foil tape • Paint brush / gloves • HVAC mastic mesh tape • Flashlight + basic PPE ________________________________________ Why this matters: Air sealing ducts can reduce energy bills, improve indoor air quality, and extend the life of your HVAC system. If comfort issues (like hot and cold rooms) have been driving you crazy, this is a must-watch! ________________________________________ If you find this helpful, give it a like and subscribe for more home efficiency tutorials — insulation, heat pumps, air sealing, ventilation, and more.