Active & Verified State Credential
Verified: Sep 19, 2026
Watchpost

Timothy S Duff

Journeyman HVAC Mechanic

License Number#HJ21530
Issued: Feb 21, 2023
Expires: Mar 31, 2027(193d)
Employer / Parent Contractor

Engineered Heating & Air

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Licensed Journeyman HVAC Mechanic registered with the Kentucky Department of Housing, Buildings and Construction.

Verified active in the Watchpost registry. Continuous compliance tracking enabled for roster auditing.

Associated with Engineered Heating & Air across Kentucky trade regions.

License Lifecycle

IssuedFeb 21, 2023
ExpiresMar 31, 2027
Grace EndsMay 30, 2027

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ClassificationJourneyman HVAC Mechanic
License NumberHJ21530
ExpiresMar 31, 2027(193 days)

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