The answer to 'how long will ductless system last' is that a well-maintained ductless HVAC system can typically last 15-20 years. Ductless systems, also known as mini-split systems, are highly efficient and durable, with fewer moving parts compared to traditional central air conditioners. With proper installation, regular maintenance, and prompt repairs when needed, ductless systems can provide reliable comfort for many years.
The lifespan of a ductless system can vary depending on factors like usage, environment, and maintenance. Systems in mild climates with light usage may last closer to 20 years, while those in harsher conditions or with heavier usage may need replacement after 12-15 years. Proper sizing, professional installation, and annual tune-ups are key to maximizing the longevity of a ductless HVAC system.