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Certificate of Qualification for Refrigerating System Operating Engineer (Q-01)


Before you submit your application

  • 1
    This Certificate of Qualification can only be obtained by passing both a written and practical exam. All applicants should review the Notice of Exam.
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      To take the written exam, applicants must apply in person and bring the following documents: More info
        • Proof that you have successfully completed a 200 hour course for Refrigerating System Operating Engineers from a FDNY certified school or a letter of employment to verify at least one year of practical experience working with a refrigerating system.
        • A completed and signed Z-51 APPLICATION FORM (PDF).
        • A Universal Technician Certificate.
        • A High School diploma or GED.
        • Two forms of identification, at least one must be a government-issued photo identification, such as a driver's license or a passport.
    • 3
      To take the practical exam, applicants must have: More info
        • Passed the written exam and obtained a temporary Z-52 letter from FDNY.
        • Paid the $225 practical exam fee.
        • Scheduled an appointment for the practical exam.
    • Ready to Apply?

      Steps to apply in person:

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      Applicants are required to schedule an appointment to take this exam.
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        Applicants must arrive at the Public Certification Unit ready to submit their application form and supporting documents, pay the application fee and take the exam.

          NYC Fire Department (FDNY)

          Public Certification Unit

          9 MetroTech Center, 1st Floor

          Brooklyn NY 11201
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          Submit your completed application form and supporting documents.
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            Pay the $60 application fee by one of the following methods: More info
              • Cash
              • Credit card (American Express, Discover, MasterCard, or Visa)
              • Debit card (MasterCard or Visa)
              • Personal or company check (made payable to the New York City Fire Department)
              • Money order (made payable to the New York City Fire Department)
              A convenience fee of 2.49% will be applied to all credit card payments. The application fee is non-refundable. City employees may request a fee exemption if they submit a copy of their employee ID and a letter from their city agency on official letterhead to confirm that they are a current employee and that the Certificate of Fitness will be used as part of their work-related responsibilities.
          • 5
            Take the exam.