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Texas A/C Technician › Bosque County

Darrell W Krumnow

Krumnow, Darrell W

Darrell W Krumnow holds licenses across 2 Texas trades — A/C Technician and Apprentice Electrician under TDLR License #83997. The license is registered in Bosque County, Texas. Current status: active.

Verification record

License #83997

  • A/C Technician

    A/C Technician · Expires October 12, 2026

    Active

  • Apprentice Electrician

    Apprentice Electrician · Expired March 12, 2026

    Expired
Years in TDLR record
0
TDLR trades held
2
Tenure rank, A/C Technicians in Bosque
#15

Scope of work

What these licenses authorize

A/C Technician

An A/C Technician license authorizes a person to perform HVAC installation, alteration, and service work in Texas under the direct authority of a licensed HVAC Contractor. A Certified (CER) technician has passed the TDLR exam and accumulated verifiable field experience; a Registered (REG) technician is in the entry pathway. Neither status authorizes contracting for work independently — only a licensed contractor may bid and contract. Refrigerant handling additionally requires federal EPA Section 608 certification.

Apprentice Electrician

An Apprentice Electrician license authorizes the holder to perform electrical work in Texas under the direct supervision of a Journeyman or Master Electrician while accumulating the 8,000 hours required to test for the journeyman license. An apprentice may not work unsupervised, may not pull permits, and may not contract for work. The license is the entry point for an electrical career in Texas and is the most numerous electrical license type held statewide.

Source

Published from the Texas Department of Licensing & Regulation All Licenses dataset. Record last changed · last verified against TDLR .

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