10 AC Ductwork Problems Costing You 30% More on Energy Bills

Oscar Son26 Feb, 2026Business

So your air conditioner runs perfectly. It cools the house, doesn’t make weird noises, and the thermostat does what you tell it. But those energy bills? They’re brutal. And you can’t figure out why. Here’s the thing — the problem probably isn’t your AC unit at all. It’s what happens after the cold air leaves the system. Your ductwork could be bleeding money right into your attic or crawl space.