Registered HVAC technician apprentices by county, open recruitment windows where the state publishes them, and how the apprentice tier fits Delaware's licence ladder. Updated nightly.
Delaware has 307 registered HVAC technician apprentices in active status (fiscal year 2025, DOL RAPIDS), placed in 3 counties, 3.0 per 10,000 residents. That is 17.8 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 |
|---|---|---|---|
| New Castle County | 189 | 62% | 3.3 |
| Sussex County | 65 | 21% | 2.5 |
| Kent County | 53 | 17% | 2.8 |
Source: DOL RAPIDS apprenticeship FY2025, active status, county-coded; as of December 31, 2025.
The Delaware register ATI reads carries no separate apprentice-tier credential for HVAC technicians; its ladder for this trade starts at Master (1,233 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 Delaware Board of Plumbing, Heating, Ventilation, Air Conditioning and Refrigeration Examiners, Division of Professional Regulation, Delaware Department of State issues for this trade: Master HVACR, Master Restricted HVACR: Heating, Forced Air Systems, Ventilation and Gas Piping, Master Restricted HVACR: Heating, Hydronic Systems and Gas Piping, Master Restricted HVACR: Commercial Hood Systems, Master Restricted HVACR: Refrigeration, Master Restricted HVACR: Air Conditioning, Master Restricted HVACR: Gas Piping, Temporary HVACR license. See how to get a HVAC technician license in Delaware 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: Delaware register read September 16, 2026; population: U.S. Census 2023 estimates.
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