The answer to 'how much to replace evaporator coil in Illinois' can vary widely, but typically ranges from $800 to $2,500 or more. The cost of replacing an evaporator coil in Illinois depends on several factors, including the size and model of your HVAC system, the complexity of the installation, and the location of your home.
Larger systems or those that require more extensive work to access the coil will generally cost more. The type of coil material, such as copper or aluminum, can also impact the price. Additionally, labor costs in your local area and any necessary ductwork modifications can affect the overall cost. To get an accurate estimate, it's best to contact local HVAC contractors for quotes specific to your home and system.