Owners get this decision wrong in the same two ways. They send the best installer, who is often the person who talks least. Or they send one person and expect the whole shop to change. Here is who to send at one truck, three, six and thirteen, what the seat really costs once the truck is parked for three days, and what one installed system does to that math.
One trained technician on one route changes one route. Two or three changes how the whole shop talks about water.
Short answer
Send the technician who talks to homeowners, not the fastest wrench in the shop. Water treatment is sold standing next to the water heater, in a conversation. The person you want is the one homeowners already like, the one who explains things without being asked. Send two if you can, so the capability survives one person leaving and so they hold each other to it when they get back.
The best installer is often the person who talks least, and day three of the class is a selling day. Nothing is installed at any class. Your technicians already know how to hang equipment, so the three days are spent on everything that happens before the wrench comes out.
One trained technician on one route changes one route. If you want the shop to change how it handles the water question, it takes two or three people who came back saying the same thing.
By fleet size
| Fleet size | Send | Why |
|---|---|---|
| 1 to 2 trucks | 1 seat | It should probably be you. You are the one in the houses and the one who sets pricing. |
| 3 to 5 trucks | 2 seats | One service lead, one you are grooming. Redundancy matters more than coverage at this size. |
| 6 to 12 trucks | 3 to 4 seats | Enough people to change the culture rather than one route. Team pricing starts here. |
| 13 or more trucks | Ask about a private class | Above roughly eight seats, a dedicated date usually makes more sense than taking half a public room. |
Team pricing starts at three seats and is set on the call. There is no published volume tier, because the right structure for a three-truck shop and a thirty-truck shop are not the same conversation. Source: the owners page.
The real cost
Tuition is $5,000 a seat. The honest answer is that tuition is not the whole cost: three days off the truck and travel are real money. Any training company that quotes you tuition and stops is hiding the two lines you actually care about. Here is the whole sheet, including the lines that are zero.
| Line item | Cost per seat | Note |
|---|---|---|
| Tuition | $5,000 | Three days of instruction, the three exams, the HALO Certified Water Quality Expert credential, a water testing kit the technician keeps, course materials and catered lunch. |
| Three days off the truck | Your number | You know your daily revenue per technician better than anyone. Write it down and multiply by three. |
| Travel, hotel and meals | Your number | Fly in the evening before day one, home the evening of day three or the next morning. Varies by city. |
| Equipment purchase | $0 | There is none. No minimum order, no inventory commitment. |
| Territory or franchise fee | $0 | There is no territory and no exclusivity. Your competitor two towns over can sit in the same room. |
| Ongoing royalty or split | $0 | What you sell after the class is yours. |
There is no franchise here. You are buying three days and a credential, and then you own what you build with it.
The payback
One seat, tuition. Add your own two lines for the truck and the travel.
One HALO system installed, the range HALO reports to the homeowner. One system recovers one seat with room left over.
What one truck lands at a deliberately low 5 percent close rate on 780 service calls. The seat is recovered on the first one.
HALO reports that some graduates recover $6,000 to $8,000 on their first day back in the field. That is HALO's figure, reported by HALO, and it is not a promise about what your technician will do. Your result depends on your market, your pricing and the person you send. The one-truck arithmetic is on the revenue per truck calculator.
The question every owner asks
Watch it
Questions
The technician who talks to homeowners, not the fastest installer. Water treatment is sold in a conversation next to the water heater, so send the person homeowners already like and who explains things without being asked. At one or two trucks it should probably be the owner.
One seat if you run one or two trucks. Two seats at three to five trucks. Three or four at six to twelve, because one trained technician changes one route and three changes how the shop talks about water. At thirteen trucks or more, ask about a private class.
All three days of instruction, the three certification exams, the HALO Certified Water Quality Expert credential, a complete water testing kit the technician takes home, all course materials and catered lunch each day. Travel and lodging are not included and are the only additional cost.
Yes. Team pricing starts at three seats and is set on the call. No volume tier is published, because a three-truck shop and a thirty-truck shop need different conversations. Above roughly eight seats from one company, a private class usually makes more sense.
One installed system recovers one seat. The tour uses $6,000 to $8,000 as the typical installed price against $5,000 tuition. HALO reports that some graduates recover $6,000 to $8,000 on their first day back in the field; that is HALO's figure and not a projection of what your technician will do.
Sources
Checked in October 2026. Seats, tuition and dates are as published on this site.
Written by Roger Wakefield, Texas Master Plumber
45 years in the trade and LEED AP. Published . More about Roger or visit rogerwakefield.com.
Keep going
Three consecutive days, in person: Dallas November 3-5, 2026, with more cities announced as it fills. Team pricing starts at three seats. Book a fit call and we will talk through who to send.