Top 10 Plumbing Trade Shows and Conferences for 2026-2027

Not every show fits every business. Match events to your goals.

Growing your business? Service World Expo and PHCC CONNECT focus on operations, leadership, and profitability.

Upgrading equipment? Groundwater Week and ASPE let you compare products with hundreds of exhibitors.

Focused on compliance? ASPE Tech Symposium covers plumbing engineering codes and standards.

Want the biggest show floor? AHR Expo 2027 brings 50,000+ attendees and 1,900+ exhibitors under one roof.

• Date: September 26-30, 2026

• Location: Ernest N. Morial Convention Center, New Orleans, LA

• Cost: $350+ depending on ticket type

• Website: weftec.org

The world's largest annual conference focused on water quality. Over 950 exhibitors. 125+ educational sessions. 23,000+ attendees from around the world.

Why attend: Cutting-edge wastewater treatment technology. Water management innovations. Hands-on competitions. Networking with water and wastewater professionals globally.

Best for: Plumbing businesses involved in wastewater, municipal systems, or water treatment. Companies wanting to expand into water infrastructure services.

• Date: October 8-14, 2026 (Expo Oct 12-13)

• Location: Oklahoma City Convention Center, Oklahoma City, OK

• Cost: Check aspe.org for registration

• Website: aspe.org

The premier event for plumbing engineers and designers. Professional development sessions. The largest plumbing product trade show in the nation.

Why attend: Deep technical content on plumbing system design. Code and standards updates. Engineering-focused education you won't find elsewhere.

Best for: Plumbing engineers and designers. Commercial plumbing companies. Anyone needing technical CEUs and compliance updates.

• Date: October 19-22, 2026

• Location: Baird Center, Milwaukee, WI

• Cost: Check phccweb.org/CONNECT

• Website: phccweb.org

PHCC's annual conference brings contractors from across the country. Education sessions. Peer networking. Product and Technology Showcase. The 2026 theme: "Building Community. Advancing the Industry."

Why attend: Practical education for plumbing business owners. Technology expo. Peer networking with contractors facing similar challenges. PHCC community building.

Best for: Established plumbing businesses wanting operational and leadership development. Owners looking for peer connections.

For starting a plumbing business with the right foundation before attending conferences, see our startup guide.

• Date: October 28-30, 2026

• Location: Colorado Springs, CO

• Cost: Check event website

• Website: asse-plumbing.org

Updates on safety standards and compliance. Backflow prevention. Cross-connection control. Potable water protection. Discussions tied directly to daily plumbing work.

Why attend: Safety standards that apply immediately to your operations. Backflow certification knowledge. Compliance education that prevents costly violations.

Best for: Plumbers handling backflow testing. Companies needing safety and compliance CEUs.

• Date: November 9-12, 2026

• Location: Caesars Forum, Las Vegas, NV

• Cost: Check serviceworldexpo.com

• Website: serviceworldexpo.com

Built for residential service businesses including plumbing. Business education. Large vendor floor. Owner-led sessions on pricing, leadership, marketing, and operations.

Why attend: Learn from contractors who've scaled successfully. Business education on hiring, pricing, and marketing. Vendor floor for software and technology.

Best for: Residential plumbing shops focused on growth. Owners who want to learn from peers, not just speakers.

For plumbing marketing strategies to implement after Service World, see our marketing guide.

• Date: November 17-19, 2026

• Location: McCormick Place, Chicago, IL

• Cost: Check event website

• Website: greenbuildexpo.com

The leading green building conference and expo. Features plumbing and heating products focused on sustainability. Water efficiency. Green building codes. Growing demand from commercial clients for eco-friendly solutions makes this show increasingly relevant for plumbers.

Why attend: Water conservation products. Green building certification knowledge. Future-proof your service offerings. Many commercial clients now require sustainability compliance.

Best for: Plumbers expanding into green building. Commercial contractors on LEED projects. Companies offering water-efficient solutions.

• Date: December 8-10, 2026

• Location: Las Vegas, NV

• Cost: Check event website

• Website: groundwaterweek.com

Annual event for water systems, wells, pumps, and environmental services professionals. Co-located with the Irrigation Show. This dual format means you get two shows for one trip.

Why attend: Well systems. Pump technology. Water treatment innovations. Irrigation products that overlap with commercial plumbing.

Best for: Plumbing businesses in well systems or water treatment. Companies serving rural or suburban markets. Shops wanting to add water treatment services.

• Date: January 25-27, 2027

• Location: McCormick Place, Chicago, IL

• Cost: Free with advance registration

• Website: ahrexpo.com

North America's largest HVACR technology showcase. Over 50,000 attendees. More than 1,900 exhibitors across 565,000 sq ft. The plumbing expo floor features system designs, fixtures, manufacturers, and suppliers.

This is the single largest trade show relevant to plumbing professionals. Free admission makes it the best ROI event on the entire calendar.

Why attend: Energy-saving innovations. Sustainable product demonstrations. Massive exhibitor floor spanning every trade. Networking with 50,000+ professionals.

Best for: Plumbing businesses that also do HVAC work. Owners wanting to see technology trends. The best value show on this list because it's free.

Trade shows cost money. Travel. Hotels. Time away from billable work. Make sure the investment pays back.

Before the show: Calculate your cost per day. Travel plus hotel plus lost billable hours. A 3-day show might cost $2,000-$4,000 all-in for one person.

At the show: Track specific outcomes. Supplier contacts made. Products evaluated. Ideas captured. Peer relationships started.

After the show: Measure implementation. Did you switch to a better supplier? Save $500/month on materials? Implement a process that saves 2 hours/week? Close one new commercial contract from a networking connection?

One commercial contract from a PHCC CONNECT connection pays for 3-5 years of attendance. One supplier relationship that saves 10% on materials pays back within months.

Track these numbers. They justify attending next year. For plumbing estimating software that helps price new services discovered at shows, see our estimating guide.

• Date: February 2027 (exact dates TBD)

• Location: Indiana Convention Center, Indianapolis, IN

• Cost: TBD (2026 pricing: $85-$385)

• Website: wwettshow.com

The world's largest annual trade show for wastewater and environmental service professionals. 13,500+ attendees. 550+ exhibitors. 300,000+ sq ft of exhibit space. 100+ educational sessions.

Why attend: Equipment demos you can't see anywhere else. Drain cleaning technology. Trenchless solutions. Septic and jetting equipment.

Best for: Drain cleaning specialists. Septic and grease services. Any plumbing operation in wastewater or underground infrastructure.

• Date: February/March 2027 (exact dates TBD)

• Location: TBD

• Cost: TBD

• Website: kbis.com

North America's largest trade show for kitchen and bath design. Plumbing fixtures, fittings, appliances, and bath technology.

Why attend: See next year's fixture trends before they hit the market. New product lines for customers. Design and installation education.

Best for: Residential plumbers doing kitchen and bath work. Shops expanding into fixture upgrades and bathroom remodeling.

For managing your plumbing leads alongside trade show connections, see our leads guide.

Before the show

Set clear goals. What do you want to learn? Which products to evaluate? Which connections to make? Write it down before you travel.

Review exhibitor lists. Most shows publish directories weeks ahead. Identify your top 10-15 booths. Plan your floor route.

Schedule meetings in advance. Pre-scheduled meetings beat random booth visits.

At the show

Take photos and notes. You'll forget details within 48 hours. Document product names, prices, and contact info.

Attend 2-3 education sessions. Don't spend all your time on the floor. Sessions often deliver the highest ROI per hour.

Network intentionally. Talk to other plumbing business owners. Share challenges. Exchange solutions. Peer connections often deliver more value than vendor relationships.

After the show

Follow up within 48 hours. Email contacts. Request quotes. The longer you wait, the less likely anything happens.

Share learnings with your team. Hold a 15-minute meeting. Cover 3-5 takeaways. Assign one action item.

Implement one idea within 30 days. Attending without implementing is entertainment. Pick one change and execute.

Trade shows build relationships. Some turn into referrals. Some into partnerships. Some into direct business.

Every lead ultimately becomes a phone call. A referral calls your number. A commercial client follows up. A homeowner who heard about you reaches out.

Crew, CloseCrew's AI Employee, answers every call 24/7. The referral from your PHCC CONNECT networking calls on a Saturday. Crew qualifies the job. Books the appointment. Sends confirmation. The relationship you built at the conference becomes booked revenue.

Arctic Air saw 30% more revenue in one year. Premier Heating converted 3x more leads. Air Design added 13 extra appointments in 30 days.

Trade shows build the network. Crew captures the calls.

Trade shows keep your plumbing business current. New products. New techniques. New connections. New ideas for growing revenue. But growth only happens when customers reach you. Every connection, every product discovery, and every strategy you learn at a show needs booked jobs to become profitable.

Crew answers. Every time. 24/7. The connections you build at trade shows convert into revenue when every resulting call gets answered and every lead gets booked.