The answer to 'air handler installation cost' is that the cost can vary widely depending on several factors, but typically ranges from $2,000 to $6,000 for a standard installation. The main factors that influence the cost include the size and complexity of the system, the accessibility of the installation site, any necessary ductwork modifications, and the labor rates in your local area.
It's important to get quotes from multiple HVAC contractors in your local area, as prices can vary significantly. Be sure to ask about any additional fees or costs that may not be included in the initial estimate, such as permits, disposal of old equipment, or any necessary electrical or structural work.