Should I Have HVAC Duct Cleaning? There’s a ton of stuff that you hear about HVAC systems when it comes to maintenance. More often than not, duct cleaning is overlooked or not given much attention. Why? It’s because the ductwork on your HVAC system doesn’t go bad for so long that it doesn’t always require maintenance or cleaning. However, you should also be aware of when you should have your ducts cleaned. Not having clean air ducts can have impacts on the system or to the health of the people inside the home. The question now is, when? Is it necessary to have my ducts cleaned and when? Duct cleaning isn’t discussed quite a lot for a bunch of reasons. First of all, there are other pressing matters that require the attention of an HVAC contractor. Second, your ductwork doesn’t always get into trouble unlike condensers and air filters. Those parts of the system often need to be cleaned or swapped out. However, when it comes to ducts, not much attention is needed until you see the following indications: