Are you experiencing strange odors emanating from your A/C unit? Don't panic! As an experienced HVAC professional, I've taken many service calls from customers telling me their A/C smells weird. In this comprehensive guide, we'll delve into the common causes behind those unwanted odors, helping you understand if this article is the right resource for you. Furthermore, we'll provide DIY remedies to try before reaching out to your trusted HVAC repair company. Musty or Moldy Odo