Finishing your apprenticeship is just the starting line. Here is how to pick the plumbing or HVAC sector that fits your life, add specialty certifications that set you apart, and use Indiana's record demand to build a career you can steer.
What happens after you finish your apprenticeship?
You have finished your apprenticeship or required training. You are licensed. Now what? This is the point where you actually decide where your career goes.
It is easy to think of plumbing or HVAC as one job. It is not. It is a massive industry with distinct sectors, and you have to decide where you fit.
Which sector of plumbing and HVAC should you choose?
There are four broad lanes to look at, and each one has a different pace, a different customer, and a different paycheck.
Residential service. You are helping a family fix a problem in their home. It is personal and relationship-driven.
New home construction. Fast pace, high volume, and a lot of repetition that sharpens your skills quickly.
Commercial work. Schools, retail centers, and office buildings. Bigger crews and bigger systems.
Industrial work. Think about the Eli Lilly projects happening here in Indiana or the massive data centers going up. Those are monster projects.
Each type has its pros and cons. Your job is to find the one that fits how you want to work and live.
Can you change directions once you pick a path?
Yes, and this is the part most people miss. Your chosen career path today is not permanent.
There are plenty of professionals who have moved between segments. Some start in residential service and shift to industrial work because that is where the demand and the paychecks are right now. Others go the opposite direction. Some move out of field work entirely and into project management, estimating, sales, or ownership roles inside their company. Others go to work for a supplier, manufacturer, or ancillary company.
That is the beauty of this career. You own your path, and the path keeps opening up as you gain experience.
What specialty certifications set you apart?
Specialties are how you separate yourself from the crowd and raise your value.
On the plumbing side, there is medical gas certification. Hospitals need every room plumbed with gas lines, and every one of those lines is a life-safety system. Every water line has to be protected to keep the water clean and safe. That work demands precision, and it pays for it.
On the heating and cooling side, specialties include geothermal systems, advanced heat pumps, and refrigeration. Each one takes specific training and a higher level of precision. And do not overlook the artistry of sheet metal ductwork. It is a craft in itself.
These specialty tracks are how a licensed technician becomes a go-to expert instead of just another name on the schedule.
Why is HVAC about more than the unit itself?
A lot of people think HVAC is just about the unit. It is not. It is about the ductwork.
It is about making sure the physics work. Do you have the right airflow? Are your angles correct? Are you pushing air to the farthest room in the building? If you do not get those calculations right, the system fails to provide proper heating or cooling. The unit gets blamed, but the real problem is the design behind it.
That is why the technicians who understand airflow, static pressure, and duct design have such a strong future. They solve problems other people cannot see.
What is the most in-demand role in the trades right now?
The one question I get asked at every career fair is, "What is the highest-demand role?"
The honest answer is everything. There is a shortage of licensed plumbing, heating, and cooling professionals across the board. Indiana's schools are seeing record enrollments, and it is still not enough to fill the gap.
So do not stress about picking the "perfect" sector on day one. Pick the one that interests you, get your license, and build your foundation. Once you are in, you are in. From there you have the leverage to move where you want to go.
"Your chosen career path today is not permanent. Once you are in, you are in. You then have the leverage to move where you want to be."
— Chuck Gillespie
Frequently Asked Questions
Do I have to pick residential, commercial, or industrial right after my apprenticeship?
No. Pick the sector that interests you and gets you your license. Most professionals move between residential, commercial, and industrial work over their career as their goals and life change.
What is medical gas certification, and why does it matter?
Medical gas certification qualifies you to install and service the gas lines used in hospitals and healthcare facilities. Every one of those lines is a life-safety system, which makes the specialty highly valued and well paid.
Which plumbing and HVAC sector pays the most in Indiana?
It varies year to year. Right now, industrial work tied to large projects like Eli Lilly expansions and Indiana data centers is driving strong pay. Specialty certifications in medical gas, geothermal, and refrigeration also command higher rates.
Is HVAC really just about installing the unit?
No. Ductwork, airflow, static pressure, and system design decide whether a home or building actually stays comfortable. A great HVAC pro understands the physics behind the equipment, not just the equipment itself.
Can I leave field work later in my career?
Yes. Many licensed technicians move into project management, estimating, sales, ownership, or roles with suppliers and manufacturers. Your license and field experience open doors well beyond the job site.
How do I get started in the plumbing or HVAC trades in Indiana?
The fastest path is a registered apprenticeship. INPHCC runs plumbing apprenticeships and career resources for people entering the trade across Indiana.
