Here’s a not-so-fun fact: the average home loses 20–30% of conditioned air through leaky ductwork. Translation? You’re paying to cool your attic, your crawlspace, and possibly your neighbor’s attic too. Your ducts are the hidden highways of your HVAC system, quietly moving air from point A (your unit) to point B (your living room). But when they spring a leak, those highways turn into toll roads you’re footing the bill for. So how do you know if your ductwork is betraying y