The answer to 'how much to fix thermostat in Chicago' is that the cost to repair a thermostat can vary significantly depending on several factors. Generally, the cost to fix a thermostat in the Chicago area can range from $100 to $300 or more. The exact price will depend on the type of thermostat, the complexity of the repair, and the labor rates of the HVAC technician.
Some common factors that influence the cost include the age and model of the thermostat, whether it needs to be replaced or can be repaired, and the accessibility of the unit. Older, more complex thermostats or those that require extensive troubleshooting may be on the higher end of the range. Additionally, the rates charged by HVAC companies in the Chicago metropolitan area can vary, so it's important to get multiple quotes to compare prices.