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HVAC Exam Prep / Washington D.C.

HVAC — DC

HVAC Exam & Licensing in Washington D.C.

EPA 608 certification is required federally. Here's how to get your state HVAC contractor license in Washington D.C. on top of it.

License Details

State License Name
HVAC License
Licensing Body
DC Department of Consumer and Regulatory Affairs (DCRA)
Exam Provider
PSI Exams
Passing Score
70%
Exam Fee
$100
Federal EPA 608
Required — Universal recommended

Note: Always verify current requirements with DC Department of Consumer and Regulatory Affairs (DCRA).

Washington D.C. HVAC Notes

EPA 608 required. DC issues its own HVAC contractor license separate from surrounding states.

About the EPA 608 Exam

The EPA 608 Universal exam has 100 questions across 4 sections (Core, Type I, II, III). You must score 70% on each section independently. The Core covers environmental regulations, leak rates, and safe refrigerant handling. Types I–III cover equipment- specific recovery and service procedures. The exam is closed-book.

1,000+ EPA 608 Practice Questions

Refrigerant charge calculator + full exam simulation for all 4 sections.