If your commercial HVAC equipment was manufactured by a reliable company and was put in by a reputable, experienced installer, then it’s not a stretch to say that you can expect it to keep the air quality and comfort levels in your commercial space at an optimal level for many, many years. However, this doesn’t mean that you won’t eventually need to replace it when the time comes. Although it’s hard to really say when a replacement will be due, as each case is different, we do have general expectations. Here are some of the factors that might affect your HVAC system’s lifespan.