The Economics of Everyday Things 21. Car Washes
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Mar 12, 2026 
Brian Cruz, owner of Sergeant Clean in Ohio, who turned rundown sites into modern, tech-driven car washes. Eric Wolf, CEO of the International Car Wash Association, who tracks industry trends and tech adoption. They discuss the car wash boom, AI and sensors in tunnels, water recycling and costs, subscription models and recurring revenue, and how automation and consolidation are reshaping the business.
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Car Washes Replaced Home Washing Nationwide
- Professional car washes now serve 80% of drivers, a dramatic reversal from 1996 when most washed at home.
- The industry grew into a $16 billion market with ~80,000 locations and 8 million vehicles serviced daily, showing large-scale behavioral change.
From Laid-Off Recruiter To Car Wash Chain Owner
- Brian Cruz bought a run-down car wash and turned it into Sergeant Clean, expanding to 15 locations in Ohio.
- He learned at car wash college, modernized equipment, and repeated the turnaround strategy across sites.
Car Washes Use AI And Sensors To Personalize Cleans
- Modern car washes use cameras, AI, and sonar to measure each vehicle and customize the wash process.
- Systems adjust soap, foam, and operations by height/width/contour to avoid wasting product or damaging unusual vehicles.