It’s been around fifty years since the majority of new homes started to be constructed with ductwork for central air conditioning. Some homes that age still have that original ductwork! Even when ductwork isn’t half a century old, it can be a little mysterious. You can’t see inside of it, and even the outsides of the ducts are usually tucked in out-of-the-way places you don’t look at very often. How can you tell what’s going on in your ductwork? With a little help from a duct cleaning service, you can get a clear view and a fresh start.