There are 2297 HVAC Companies in Illinois, serving a population of 12,854,526 people in an area of 55,505 square miles. There is 1 HVAC Companies per 5,596 people, and 1 HVAC Companies per 24 square miles.
The state of Illinois is ranked 30th in HVAC Companies per capita, and 14th in HVAC Companies per square mile.