In the United States, there were 104,776 plumbing and HVAC contractor establishments in 2021, most of which had less than 500 employees. Meanwhile, the smallest segment was that of refrigeration equipment and supplies merchant wholesalers, with just 620 establishments.
Number of heating, ventilation and air conditioning (HVAC) establishments in the United States in 2021, by segment and size
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Number of heating, ventilation and air conditioning (HVAC) establishments in the United States in 2021, by segment and size
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The figures for 2021 are the latest available as of December 2023. Given the scope of the table this dataset belongs to, a big time gap can be observed. As of the publishing date, figures for 2022 were not available yet.
The numbers provided are on "establishments", not "firms". The source makes a distinct difference between the two, naming the first as the economical unit that provides the service whereas the second is the legal entity - which can consist of multiple establishments.
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US Census Bureau. (December 21, 2023). Number of heating, ventilation and air conditioning (HVAC) establishments in the United States in 2021, by segment and size [Graph]. In Statista. Retrieved April 25, 2025, from https://www.statista.com/statistics/1327959/hvac-establishments-in-the-us-by-segment-and-size/
US Census Bureau. "Number of heating, ventilation and air conditioning (HVAC) establishments in the United States in 2021, by segment and size." Chart. December 21, 2023. Statista. Accessed April 25, 2025. https://www.statista.com/statistics/1327959/hvac-establishments-in-the-us-by-segment-and-size/
US Census Bureau. (2023). Number of heating, ventilation and air conditioning (HVAC) establishments in the United States in 2021, by segment and size. Statista. Statista Inc.. Accessed: April 25, 2025. https://www.statista.com/statistics/1327959/hvac-establishments-in-the-us-by-segment-and-size/
US Census Bureau. "Number of Heating, Ventilation and Air Conditioning (Hvac) Establishments in The United States in 2021, by Segment and Size." Statista, Statista Inc., 21 Dec 2023, https://www.statista.com/statistics/1327959/hvac-establishments-in-the-us-by-segment-and-size/
US Census Bureau, Number of heating, ventilation and air conditioning (HVAC) establishments in the United States in 2021, by segment and size Statista, https://www.statista.com/statistics/1327959/hvac-establishments-in-the-us-by-segment-and-size/ (last visited April 25, 2025)
Number of heating, ventilation and air conditioning (HVAC) establishments in the United States in 2021, by segment and size [Graph], US Census Bureau, December 21, 2023. [Online]. Available: https://www.statista.com/statistics/1327959/hvac-establishments-in-the-us-by-segment-and-size/
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