Phil H.

DC Refrigeration and Air Conditioning (HVAC) Contractor License #RC900077 ・ DC Refrigeration and Air Conditioning (HVAC) Master Mechanic License #RM920258
MD Master HVACR Contractor License #122944 ・MD Construction Firm License #15250609
VA MHVA (Master Heating Ventilation And Air Conditioning) Tradesman #2710079408 ・ VA Class A Contractor #2705093993
WSSC, MD, VA, DC Backflow Prevention Device Tester / Mechanic Certification No. 24-381

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