The answer to 'heat exchanger installation cost' is that the cost can vary significantly depending on several factors. In general, a new heat exchanger installation can range from a few hundred dollars for a basic model up to several thousand dollars for a high-efficiency or complex system.
The main factors that influence the cost include the size and type of the heat exchanger, the complexity of the installation, the accessibility of the unit, and any necessary ductwork or electrical work. Older homes may require more extensive modifications, which can increase the overall cost. It's essential to get quotes from local HVAC contractors to get an accurate estimate for your specific situation.