The answer to 'how much to replace evaporator coil in Chicago' is that the cost can vary significantly depending on several factors. Generally, the cost to replace an evaporator coil in the Chicago area can range from $800 to $2,500 or more, depending on the size of the unit, the complexity of the installation, and the labor rates in your local area.
The size and efficiency of the new coil, the accessibility of the unit, and any necessary ductwork modifications can all impact the final cost. It's important to get quotes from multiple HVAC contractors in your local area to compare prices and find the best value for your home.