Delaware HVAC Contractor License Cost

October 1, 2026
14 min read

Delaware HVAC contractor costs include a $173 Master HVACR application fee, a $75 per‑location contractor business license, 0.6472% gross receipts tax, and a 6% bond for qualifying nonresident projects. Licenses renew on October 31 of even‑numbered years; exam fees are paid to ProV.

HVAC contractor license cost in Delaware

Direct answer (47 words): The core state costs are a $173 Master HVACR application fee, a $75 Delaware business (contractor) license per location, and ongoing 0.6472% gross receipts tax. Nonresident contractors must generally post a 6% bond on contracts ≥$20,000. The Master HVACR license renews biennially; renewal fees are set at renewal.

Requirements last verified: 2026-10-01

RequirementDetails
Licensing agencyDelaware Division of Professional Regulation, Board of Plumbing, Heating, Ventilation, Air Conditioning & Refrigeration Examiners (Board homepage).
Application fee (professional license)$173 for Master HVACR or Master HVACR Restricted; Temporary HVACR license $40.
Business license fee (contractor)$75 per location annually from the Delaware Division of Revenue.
Gross receipts tax0.6472% of aggregate gross receipts, due monthly or quarterly per statute (with statutory monthly/quarterly exclusions).
Nonresident contractor bondBefore work begins, nonresident contractors must file a bond equal to 6% of the contract when a single contract (or aggregated contracts in a year) is ≥$20,000; official bond form: Division of Revenue Non‑Resident Contractor Bond.
ExperienceEITHER journeyman completion plus 2 years under a master OR 7 years under a master and pass the apprenticeship equivalency (bypass) exam—set in 24 Del. C. §1821(a)(1) and outlined on DPR HVACR Licensure.
ExamBoard‑approved written exam; minimum 70% to pass; administered via ProV after Board approval. See DPR Examinations page and §1822. (Exam vendor fees are paid to ProV and vary by bulletin.)
Minimum ageNo specific age stated in HVACR statute; applicants must meet experience and exam standards per 24 Del. C. Subchapter III.
Insurance/bondTo obtain a contractor business license, proof of Delaware workers’ compensation coverage or self‑insurance is required under 30 Del. C. §2502(b)(3). General liability is not specified by statute but may be contractually required.
Renewal cyclePlumbing/HVACR licenses expire on October 31 of even‑numbered years; renewal fee is disclosed at renewal (late fee is 50% of renewal fee per Fee Schedule).
Key formsDPR: Verification of Employment and EPA CFC card upload; Division of Revenue: Resident/Non‑Resident Contractor packages and Forms 1280/5060.

How to calculate the HVAC contractor license cost in Delaware

  1. Budget the professional application. Apply in DELPROS for Master HVACR or Master HVACR Restricted and pay $173. If needed, a temporary license is $40.
  2. Account for exam expenses. After Board approval, schedule with ProV per DPR Examinations. Pay the vendor exam fee (set by ProV) and plan for any study materials.
  3. Secure your Delaware contractor business license. Obtain the state contractor license from the Division of Revenue; pay $75 per location and register for gross receipts.
  4. Register workers’ compensation. Provide workers’ comp proof or approved self‑insurance as required by 30 Del. C. §2502(b)(3); nonresident firms posting bond see next step.
  5. Post bond if nonresident. File a 6% nonresident contractor bond (contracts ≥$20,000) using the state bond form before work begins.
  6. Plan for ongoing taxes and renewal. Set aside 0.6472% of gross receipts for monthly/quarterly filings and renew the HVACR license by October 31 of even years (fee shown at renewal).

HVAC contractor license cost in Delaware: what you’ll actually pay

In practice, most HVAC contractors budget three state‑level cost buckets: (1) the DPR professional licensing costs ($173 application and later renewal), (2) the Division of Revenue business licensing ($75 license + 0.6472% gross receipts), and (3) if you’re a nonresident, the 6% surety bond for qualifying projects.

Experience, exams, and documents that influence cost

Your background dictates whether you’ll pay for an apprenticeship bypass exam and how soon you can test. Delaware law requires either journeyman completion plus two years, or seven years’ supervised experience and the bypass exam (24 Del. C. §1821(a)(1)), then a Board‑designated written exam administered via ProV (DPR Examinations).

Renewal timing and late‑fee exposure

HVACR licenses expire on October 31 of even‑numbered years. If you miss the deadline, you’ll owe a late fee equal to 50% of the renewal fee (Fee Schedule). Keep your email current in DELPROS to avoid avoidable penalties.

Business compliance that adds to the total cost

All Delaware contractors must hold a state business license and file gross receipts at 0.6472%. You’ll also need workers’ compensation coverage or approved self‑insurance to obtain that license (§2502(b)(3)). Nonresident firms must post the 6% bond when statutory thresholds are met (30 Del. C. Ch. 3, Subch. V).

If you’re comparing licensing costs across trades in Delaware, our detailed breakdowns for investigative and appearance‑based professions can help. For example, see the full process in our guide to getting a Delaware Private Investigator license and our separate analysis of private investigator license costs in Delaware. Cosmetology has its own fee structure; review the Delaware cosmetology licensing guide for contrasts in application and renewal costs. Security personnel face different bonding and training costs—see our Security Guard License cost in Delaware overview for what varies outside construction.

Frequently Asked Questions

Do I need a separate “HVAC contractor” license from DPR?

No. DPR issues Master HVACR or Master HVACR Restricted licenses to individuals. To operate a contracting business, you also need a Delaware contractor business license from the Division of Revenue and must remit gross receipts tax (DPR HVACR Licensure; Division of Revenue Contractors).

Exactly how much are state exam fees?

Delaware’s Board designates ProV to administer the exam. DPR sets the application fee, but the exam fee is paid to ProV and published in ProV’s candidate bulletin. DPR’s Examinations page explains the approval and scheduling process; the state fee schedule does not list a dollar amount for the exam.

When do Delaware HVACR licenses renew and what’s the late fee?

Master HVACR licenses renew biennially on October 31 of even‑numbered years. The renewal amount appears in DELPROS at renewal; if you’re late, DPR assesses a late fee of 50% of the renewal fee (Fee Schedule).

What bonding is required for nonresident HVAC contractors?

Nonresident contractors must file a surety bond equal to 6% of the contract before starting work when a single (or aggregated annual) contract is ≥$20,000. The Division of Revenue provides the official bond form.

Is general liability insurance required by Delaware to get licensed?

For the business license, Delaware requires proof of workers’ compensation coverage or approved self‑insurance (30 Del. C. §2502(b)(3)). A specific statewide general liability mandate is not in the HVACR statute; however, many public and private contracts require it.

Ready to run the numbers for your situation? License Navigator can translate these statutes and fee schedules into a precise, line‑item budget and timeline for your Delaware HVAC contracting business.

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About this publication

Licensing Navigator researches business licensing requirements and organizes them into practical, state-by-state guidance. Our pages are research aids, not legal advice.

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