logoShaping Tomorrow's Built Environment Today

CHD – Certified HVAC Designer

Share This

Earn a CHD Certification

The CHD certification, managed under ISO/IEC 17024 requirements for ANSI-Accredited Personnel Certification Programs, validates competency to design HVAC systems to meet building/project requirements, including equipment, equipment sizing, load calculations, mechanical equipment room design, duct and piping design and layout, and develop HVAC plans for permit and construction.

  • CHD Advantage ▼

    Why HVAC Designers Pursue the ASHRAE CHD

      • Elevate your reputation among peers, in the workplace and among clients
      • Demonstrate competency in critical HVAC design knowledge, skills and abilities
      • The CHD digital badge guarantees enhanced recognition
      • Convenient online proctored testing from your home or office.
      • ANSI-accredited, ensuring fairness and validity

    Why Employers Support the ASHRAE CHD

      • Recruit the most-qualified professionals
      • Elevated reputation and credibility among current and potential customers
      • Provides clear, value-added professional development goal
      • Greater employee job satisfaction and higher retention
  • Check Eligibility ▼

    Eligibility Checklist

      • Education and Work Experience
      • Code of Ethics
      • Pass CHD Certification Exam

    Download a Candidate Guidebook to learn more.

    Key Policies

    Review key policies related to Request for Special Accommodations, Impartiality, Certification Complaint Process, Appeal of Certification Denial, and Guidelines for Suspending, Withdrawing or Reducing the Scope of Certification.


    These Certification FAQs can help. Please call 678-539-1105 or email with any additional questions.

  • Apply Now ▼

    APPLY for CHD

    Application Fees

    The ASHRAE member discounted application fee is $395 (non-member – $595).

    June Exam Administration Notes:

    • CHD applicants may sit for their exam June 1-30 (30% discount. Discount code: JUNE2021).  June exam results will be released Aug. 16.
    • CHD applicants also may sit for their exam any time in March, April or May (regular application fee).
    • No CHD exams will be administered July 1 – Aug. 15, though CHD applications may be submitted (regular application fee) during this timeframe.

    After ASHRAE approves your application, you will receive instructions on how to schedule your exam as a remote online proctored exam at your home or office, or at a computer-based testing location.

    Note: Non-native English speakers may apply to receive an additional 30 minutes of testing time.

  • Testing ▼

    Approved Certification Candidates may schedule their exam as a remote online proctored exam at their home or office, or at a computer-based testing location.

    Remote Online Proctored

    • NEW! Convenient, secure remotely proctored testing coming soon.
    • Schedule and sit for your exam from your home or office
    • Secure, safe exam delivery with a live, remote proctor

    Learn More

    Testing Center

    Testing centers are available worldwide.

    As part of the global effort to contain and mitigate the impact of COVID-19, ASHRAE testing partner PSI has instituted enhanced procedures which in some cases may include the temporary closing of some of the test centers.


    These Certification FAQs can help. Please email or call 678-539-1105 with any additional questions.

  • Get Exam Ready ▼

    Get CHD exam ready by following these few, easy steps:

      • Review the Exam Blueprint in Appendix A of the Candidate Guidebook
      • Take the 30-question, online Practice Exam
      • Consider any publication or training resources for Exam Preparation, including:
        • RECOMMENDED! Global Training Center (GTC) courses: HVAC Design Level l and ll (Note: Level l & ll and Level ll course registrants receive 20% discounts on CHD certification application)* Register by May 30, 2021
      • CHD Study Guide:
        • 100-question CHD Practice Exam
        • Task-by-task self-assessments linked to resources
        • Core and “deep dive” resource break-down
        • $56 Member price
      • Review Tips and Strategies for exam preparation


    These Certification FAQs can help. Please call 678-539-1105 or email with any additional questions.

  • Recertify ▼

    Recertify Now

    Recertification every three years helps ensure CHDs maintain a level of continuing competence through acceptable professional development in subject matter related to their certification.

    Application Fees

    The ASHRAE Member discounted, on-time application fee is $195 (non-member – $295).

    Eligibility Checklist

      • Participation in One HVAC Design or Design-Assist Project
      • Thirty (30) Professional Development Hours (PDHs), 15 of which may be earned through work experience
      • Code of Ethics Agreement


    These Certification FAQs can help. Please call 678-539-1105 or email with any additional questions.

Learn More about the CHD Advantage

Learn how ASHRAE Certification Digital Badges are a verifiable and powerful representation of your certification achievement.

The Value of ASHRAE Certification – CHD

Hear Mike Fullerton tell his story.