TESDA Air Duct Servicing NC II Course

The Air Duct Servicing NC II course offered by TESDA focuses on developing competencies essential for interpreting working drawings, fabricating, assembling, and installing air ducts using various hand tools, power tools, and sheet metal working equipment. This qualification equips individuals with the skills necessary to work effectively in the field of air duct servicing, ensuring they can meet industry standards and requirements.

Also read: TESDA Scaffolding Works (Supported Type Scaffold) NC II Course

Participants in this program will gain practical experience in air duct systems, learning how to navigate the complexities of fabrication and installation processes. By mastering these competencies, individuals can enhance their career prospects in the HVAC industry and contribute effectively to projects involving air duct servicing.

TESDA Air Duct Servicing NC II Course

What is Air Duct Servicing NC II?

This course equips individuals with operational skills to install, service, troubleshoot, and repair Air Duct Systems in HVAC/R technology following Duct Construction Standards.

A person with this Qualification is competent to:

  • Tinsmith (HVAC/R Worker)


The benefits of TESDA Air Duct Servicing NC II include:

  1. Develop Skills: Gain expertise in interpreting working drawings and fabricating air ducts using various tools.
  2. Job Opportunities: Increase employment prospects in the HVAC industry with specialized training.
  3. Hands-On Experience: Acquire practical experience in assembling and installing air ducts, enhancing technical proficiency.
  4. Certification: Obtain a recognized qualification from TESDA, validating your skills in air duct servicing.
  5. Industry Relevance: Stay updated with current industry standards and practices, positioning yourself as a competent professional in the field.

Units of Competencies

The Competency Units in this Qualification include:


  • Participate in workplace communication
  • Work in team environment
  • Practice career professionalism
  • Practice occupational health and safety procedures


  • Prepare materials and tools
  • Perform mensuration and calculations
  • Perform basic benchwork
  • Perform basic electrical works
  • Maintain tools and equipment
  • Perform housekeeping and safety practices
  • Document work accomplished


  • Survey site for installation
  • Fabricate air ducts
  • Install air duct system
  • Perform air duct testing
  • Insulate air ducts
  • Repair and maintain air duct system

Sample of Certificate of Completion


In every course, assessments evaluate students’ performance, revealing strengths, weaknesses, and areas for improvement. A final assessment at the end determines competency in required skills. For the TESDA Air Duct Servicing course, assessment is necessary for NC II certification. Must be completed before the course concludes by trained professors.

Training Duration

  • Basic: 144 hours
  • Common: 212 hours
  • Core: 240 hours

Total: 596 hours

Also read: How to Apply for a Scholarship in TESDA


To enroll in the TESDA Air Duct Servicing course, you must fulfill certain requirements. These include:

  1. PSA Birth Certificate
  2. High School or College Diploma
  3. Certified True Copy of Official Transcript of Records or Form 137
  4. Certificate of Good Moral Character or GMRC
  5. 1 x 1 and/or 2 x 2 pictures

If you feel prepared to embark on a journey of learning and personal growth, seize the opportunity to enroll in the nearest TESDA accredited school in your city.


This section outlines trainee qualifications and educational background. It also covers health and physical requirements, with the possibility of entry exams if needed.

  • Basic math abilities
  • Communication skills (oral and written)
  • Good character
  • Physically and mentally fit

Trainer Qualifications

  • Air Duct Servicing NC II holder or equivalent
  • Civil Service eligible or holds relevant professional license
  • Computer literate
  • Good moral character
  • Physically and mentally fit
  • *Minimum of two (2) years job/industry experience
  • Trained in Training Methodology II or equivalent

Video: TESDA NC II, NC III, NC IV for Free | How to Obtain TESDA National Certificate Online

If you are looking to enhance your skills and boost your career, then obtaining a TESDA National Certificate can be a great way to achieve that goals. TESDA offers the National Certificate (NC) programs for various fields of specialization, providing individuals with the necessary knowledge and competencies to excel in their chosen career paths.

In this video, you will learn how to obtain TESDA National Certificate online, without having to pay any fees.


TESDA’s Air Duct Servicing NC II course provides the skills needed for success in air duct services. Emphasizing hands-on learning, participants gain expertise in fabrication, installation, and maintenance to meet industry standards. This program creates HVAC career paths, requiring specific qualifications per TESDA. Don’t miss this chance to boost your skills and career prospects — enroll now!

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