The answer to 'how much does air handler cost' is that the cost of an air handler can vary widely depending on several factors. Generally, air handlers range from around $1,000 to $5,000 or more for a residential system. The size of your home, the features and efficiency of the unit, and the complexity of the installation will all impact the final price.
Factors that affect air handler costs include the brand, capacity, and energy efficiency rating. More advanced features like variable-speed blowers, smart controls, and integrated humidifiers will also increase the price. Labor costs for the installation can add several hundred to a few thousand dollars depending on the complexity of the job.