The answer to 'how long will air handler last' is that a typical air handler unit will last 10-15 years with proper maintenance. Air handlers are a critical component of your HVAC system, responsible for circulating air throughout your home. With regular professional service and basic DIY maintenance, you can extend the lifespan of your air handler and avoid costly breakdowns.
The actual lifespan of your air handler will depend on factors like the quality of the unit, how often it's used, and the environment it's installed in. Units in hot, humid climates or that run constantly may wear out faster than those in more moderate conditions. Proper installation and ongoing maintenance are key to maximizing the life of your air handler.