There are 227 HVAC Companies in Baltimore County, Maryland, serving a population of 828,637 people in an area of 599 square miles. There is 1 HVAC Companies per 3,650 people, and 1 HVAC Companies per 2 square miles.
In Maryland, Baltimore County is ranked 12th of 24 counties in HVAC Companies per capita, and 5th of 24 counties in HVAC Companies per square mile.