Registered HVAC technician apprentices by county, open recruitment windows where the state publishes them, and how the apprentice tier fits Pennsylvania's licence ladder. Updated nightly.
Pennsylvania has 547 registered HVAC technician apprentices in active status (fiscal year 2025, DOL RAPIDS), placed in 37 counties, 0.4 per 10,000 residents. That is 3.7 apprentices for every 100 employed HVAC technicians in the state, the rate at which the trade is training its own replacements.
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Registered HVAC technician apprentices by county of the apprentice, largest first. Each county links to its HVAC technicians market page.
| County | Apprentices | Share | Per 10k residents |
|---|---|---|---|
| Allegheny County | 83 | 15% | 0.7 |
| Delaware County | 67 | 12% | 1.2 |
| Bucks County | 48 | 9% | 0.7 |
| Philadelphia County | 46 | 8% | 0.3 |
| Montgomery County | 39 | 7% | 0.4 |
| Butler County | 36 | 7% | 1.8 |
| Chester County | 30 | 5% | 0.5 |
| York County | 25 | 5% | 0.5 |
| Erie County | 23 | 4% | 0.9 |
| Berks County | 19 | 3% | 0.4 |
| Beaver County | 18 | 3% | 1.1 |
| Northampton County | 15 | 3% | 0.5 |
| Lancaster County | 13 | 2% | 0.2 |
| Westmoreland County | 12 | 2% | 0.3 |
| Lehigh County | 11 | 2% | 0.3 |
| 22 other counties | 62 | 11% |
Source: DOL RAPIDS apprenticeship FY2025, active status, county-coded; as of December 31, 2025.
The Pennsylvania register ATI reads carries no separate apprentice-tier credential for HVAC technicians; its ladder for this trade starts at Journeyman (244 active records, read September 16, 2026). Registered apprentices in the county table above are counted from the federal apprenticeship system, not from the licence register.
Credential types the No statewide HVAC licence and no state mechanical board. HICPA registration is handled by the Pennsylvania Office of Attorney General; any trade licensing is municipal. issues for this trade: PA Home Improvement Contractor registration (Office of Attorney General), Municipal contractor licences and permits where required, Federal EPA Section 608 technician certification (refrigerants). See how to get a HVAC technician license in Pennsylvania for hours, exams and renewal.
Sources: registered apprentices: DOL RAPIDS apprenticeship FY2025, active status, as of December 31, 2025; employment: BLS QCEW construction x OEWS occupation share (estimate); licence tiers: Pennsylvania register read September 16, 2026; population: U.S. Census 2023 estimates.
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