There are 1500 HVAC Companies in Maryland, serving a population of 5,996,079 people in an area of 9,707 square miles. There is 1 HVAC Companies per 3,997 people, and 1 HVAC Companies per 6 square miles.
The state of Maryland is ranked 4th in HVAC Companies per capita, and 4th in HVAC Companies per square mile.