HVAC Installation Licensing in District of Columbia
Indexation gate: passedDistrict of Columbia HVAC and mechanical compliance: Central heat pumps, air conditioning, and refrigeration system installations require a licensed Master HVAC / Refrigeration contractor under 17 DCMR Chapter 39. Mechanical equipment permits from DLCP must be secured prior to installation and equipment startup.
Key Requirements & Legal Mandates
Clean Hands Certification Requirement (D.C. Code § 47-2862)
dc:statute:clean-hands-47-2862Under the Clean Hands Act (D.C. Code § 47-2862), no license or permit may be issued to any contractor or business that owes more than $100 in outstanding taxes, fees, or penalties to the District of Columbia government.
Notes: Must be certified online prior to BBL issuance or building permit approval.
Mandatory Workers' Compensation Insurance (D.C. Code Title 32)
dc:statute:workers-comp-title-32Under D.C. Official Code Title 32 Chapter 15, all employers in the District of Columbia employing one or more employees must secure statutory workers' compensation insurance.
District Building & Trade Permit Mandate (12A DCMR)
dc:statute:dc-code-47-2851Under 12A DCMR § 105.1, no construction, enlargement, alteration, repair, structural roofing, or trade installation may begin in the District without a valid permit issued by DLCP.
Applicable License Classifications
Refrigeration & Air Conditioning Contractor
dc:agency:trade-licenses-directoryTrade contractor credential authorizing the design, installation, and servicing of heating, refrigeration, and air conditioning systems in the District of Columbia.
Guidance: Mechanical and HVAC equipment installation requires a licensed Refrigeration & Air Conditioning Contractor and mechanical permit.