The Flow Expo is the largest trade show in the Western United States dedicated to Plumbing, Heating, Cooling and related industries. The Flow Expo is where thousands of professionals have been gathering for over 40 years to discover and discuss the newest in technologies, trends, services and code requirements. With over 136 exhibitors representing over 400 brands it has grown to become "THE" event of the year for the PHC trades in the West.

The Flow Expo provides opportunities to develop new partnerships and showcase new products and services. The Flow Expo also features industry presentations and business/code seminars by industry experts to help you better understand the changes affecting your business.

  • 88% of attendees are in the Plumbing and HVAC field
  • 40% are Final Decision Makers
  • 30% are Specifiers
  • 50% of Attendees are Owners/Managers
  • Over 70% are final decision makers/influencers


The Flow Expo attracts a diverse group of attendees, concentrated from throughout the Western United States and beyond in many disciplines including:

Fire Sprinklers
Trenchless Technologies
Facilities Services
Code Officials
Remodeling Professionals


The Flow Expo offers one of the highest ROI's in the trade show market by being an all inclusive show. With the Flow Expo everything you need to be a success is included in the price of your booth. Each booth includes carpeting, 3' side and 8' back drapes, 6'draped table, 2 chairs, 500 watt electric, show directory listing, trashcan, sign, exhibitor breakfast(day of the show) and much more. The show provides matched carpeting throughout the show floor, rest areas for both Attendees and Exhibitors, Speedbadge registration system, business and hands-on seminars along with the California PHCC Apprenticeship Competition. The Flow Expo website includes an interactive floor plan, exhibitor listing (including your company info, logo and website links) along with opportunities to advertise your company and products to attendees. For registered Exhibitors there is the Exhibitor Service Center to assist you with maintaining your online contact information and presence on the Flow Expo website as well as information on seminar presentation costs, directory, website & t-shirt advertising, sponsorship opportunities, exhibitor kit and exhibitor updates.


Our advertising includes various industry publications and websites throughout the year including Reeves Journal, PHC News, Plumber Magazine, Cleaner Magazine and Contractor Magazine as well as press releases to local, regional and national press outlets. 


The Flow Expo is a presentation of the PHCC of the Greater Los Angeles Area, a non-profit trade association representing the PHC trades since 1906. PHCC nationally has more than 3,500 merit and union shop contractor members who successfully manage businesses in residential service and new construction, commercial and industrial markets. PHCC-GLAA supports, represents and educates our Membership and the Industry through local, state and national programs and resources.