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How to get an HVAC license in Delaware

Hours, exam, fees and renewal for HVAC work in Delaware. Taken from official DE pages and checked .

Quick answer
  • Licensing body: Delaware DPR — Board of Plumbing, Heating, Ventilation, Air Conditioning and Refrigeration Examiners
  • State journeyman license: Yes (Statewide Master HVACR / Restricted (master-level). Apprenticeship journeyman certificate is an experience path, not a separate state HVACR card.)
  • Master HVACR: With federal-standard HVACR apprenticeship journeyman certificate: 2 years post-certificate supervised experience. Without certificate: 7 years supervised experience plus Board-approved bypass exams (≥70%) before the Master exam. CFC card required for Master HVACR and refrigeration/AC restricted classes.
  • Exam: see below, via Board-approved vendor (after DELPROS approval)
  • Code edition: Board-approved HVACR exam quarterly; pass ≥70%. Board has adopted 2015 IMC and IFGC as amended (24 DE Admin. C. 1800 §4.0).

Requirements by license

Master HVACR

ExperienceWith federal-standard HVACR apprenticeship journeyman certificate: 2 years post-certificate supervised experience. Without certificate: 7 years supervised experience plus Board-approved bypass exams (≥70%) before the Master exam. CFC card required for Master HVACR and refrigeration/AC restricted classes.Source: dpr.delaware.gov · as of
ExamBoard-approved vendor (after DELPROS approval). Quarterly Master exam; pass ≥70%. Three failures → wait 1 year before reapplying for any HVACR license.Source: regulations.delaware.gov · as of
Fees
  • Master HVACR application: $173
  • Master Restricted HVACR application: $173
  • Temporary plumber/HVACR: $40
Source: dpr.delaware.gov · as of · Renewal fee stated at renewal time in DELPROS; late fee = 50% of renewal.
RenewalEvery 2 years. Expire October 31 of even years. Late renew up to 1 year (illegal to practice while expired). After 1 year, reapply as new.Source: dpr.delaware.gov · as of
CE to renew5 hours per 2 years (by Oct 31 even years, starting 2026)
  • 3 hrs code changes
  • 1 hr safety
  • 1 hr Energy Code
No carryover. Dual plumbing+HVACR: 6 hours. Licensed <1 year: no CE at first renewal.
Source: regulations.delaware.gov · as of

License types in Delaware

  • Master HVACR
  • Master HVACR Restricted (heating, hydronic, hoods, refrigeration, AC, gas piping)
  • Temporary plumber/HVACR
Source: dpr.delaware.gov · as of

Reciprocity (licensed in another state?)

CT/IA/MD treated as substantially similar (no extra experience proof). Listed other states need 7 years post-master practice proof. All others: Board evaluates their law/regs.Source: dpr.delaware.gov · as of

What we couldn't confirm yet

We only publish what we can tie to an official source. These items aren't published anywhere we could verify, so ask the office listed:

FAQ

DE HVAC license?

Master HVACR or Restricted specialty via DPR/DELPROS.

Experience?

Journeyman certificate + 2 years, or 7 years + bypass exams; then Master exam ≥70%.

Already licensed? See Delaware HVAC license renewal & CE.

Other states

Compare every state side by side: license requirements by state · renewal & CE by state.