The number of HVAC companies in the United States varies greatly from state to state.
This data is sourced from the US Small Business Administration website, which provides information on the number of small businesses registered in each US state.
Total Number of HVAC Companies in the US: 45,605
Average Number of HVAC Companies per State: 1,527
Median Number of HVAC Companies per State: 1,216
Range of HVAC Companies per State: 87 – 5,236
