Air Conditioning and Refrigeration Contractor (Journeyman/Master)

Washington D.C. A/C and Refrigeration Mechanical Unlimited Exam Complete Package Includes the Following:

• Washington D.C. A/C and Refrigeration Mechanical Unlimited Exam
• 2012 International Mechanical Code
• 2012 International Mechanical Code Tabs
• Modern Refrigeration and Air Conditioning, 21st Edition
• Modern Refrigeration 21st ed Tabs