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If you're weighing whether HVAC is a smart career move, here's a number worth paying attention to: repair work is quietly becoming the biggest part of the job. That shift matters for anyone starting out, since it changes what a new technician actually needs to know on day one.
According to Housecall Pro's 2026 HVAC industry trends report on repair revenue, repair revenue share for HVAC businesses climbed from 21.2 percent in Q4 2021 to 33.4 percent in Q4 2025, a gain of more than 12 percentage points in just four years. Repairs per organization also rose nearly 65 percent over that same stretch, and the average revenue per repair job increased 47 percent.
Put simply, HVAC businesses are doing more repair work, and getting paid more for it, than they were a few years ago. That's a real shift in how the industry makes money, not a temporary blip.
A few things are driving this. Existing HVAC equipment across the country is aging, and homeowners facing higher replacement costs are choosing to repair rather than replace when they can. At the same time, newer systems are more complex than the units they're replacing, which means diagnosing and fixing them takes more specialized knowledge than older mechanical troubleshooting did.
That combination means a technician's ability to accurately diagnose and repair a system, rather than just install a new one, is becoming more valuable, not less.
For someone going through an HVAC certificate program, this trend is worth factoring into how you approach your training. A few practical takeaways:
Diagnostic skill matters as much as installation skill. Programs that go deep on troubleshooting and the range of systems you'll actually work on are preparing you for where the job is actually headed, not just where it's been. PCI's HVAC program, for example, runs 40 weeks with hands-on lab work built in alongside a 10-day in-person boot camp, structured specifically so students graduate with real diagnostic experience rather than just classroom theory.
Newer systems require different knowledge than older ones. As HVAC equipment adds more electronics and self-monitoring features, understanding the basics of how these systems communicate faults is becoming part of the job, alongside the mechanical and electrical fundamentals covered in a solid HVAC foundation.
Repair-heavy work can mean steadier demand. Unlike installs, which often follow new construction or big-ticket replacement cycles, repair work tends to be more consistent year-round, which is worth knowing if job stability is part of what's drawing you to the field.
None of this changes the fundamentals of what makes a good HVAC technician: solid electrical and mechanical knowledge, careful diagnostic work, and being good with people on a service call. What's changing is the mix of work you'll actually be doing once you're on the job, and repair work is taking up a bigger share of it than it used to.
For anyone starting HVAC training now, that's useful to know going in. The technicians who get comfortable diagnosing and fixing complex systems, not just installing new ones, are positioning themselves for where the industry is actually headed.
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