The answer to 'how much to replace water heater in Illinois' is that the cost to replace a water heater can vary widely, typically ranging from $800 to $2,000 or more. Several key factors influence the final price, including the type of water heater (gas, electric, tankless), its size and capacity, and the complexity of the installation.
In Illinois, labor costs, permit fees, and the cost of materials can also impact the overall replacement price. It's essential to get quotes from local HVAC contractors to get an accurate estimate for your specific home and project requirements.