The answer to 'how much to fix water heater in Illinois' is that the cost can vary significantly depending on several factors. As an HVAC expert, I can provide some general guidance on what influences the pricing for water heater repairs in Illinois.
The primary factors that affect the cost include the type of water heater (electric vs. gas), the extent of the repair needed, the age and condition of the unit, and your location within Illinois. Typical repair costs can range from a few hundred dollars for minor issues up to $1,000 or more for more complex problems. It's important to get local quotes from licensed HVAC professionals to get an accurate estimate for your specific situation.