Technician Class
A complete 5-stage technical training program covering construction foundations, plumb alignment, fastening systems, IBC compliance, and mechanical systems.
5
Stages
25
Modules
50+
Hours of Content
1,840+
Students Enrolled
What You'll Learn
Read and interpret construction blueprints
Apply plumb and level techniques on real job sites
Select and install correct fastening systems
Navigate IBC code requirements confidently
Understand HVAC, plumbing, and mechanical systems
Pass the Kaaj UN Technician Certification Exam
Requirements
Basic reading and math skills
Willingness to work in field environments
No prior construction experience required
Access to a computer or mobile device
Mark D. Sullivan
Senior Construction & Mechanical Systems Instructor
5 Stages to Technician Mastery
Each stage builds on the last — from foundational safety to advanced mechanical systems. Complete all 5 to earn your certificate.
Construction Foundations
Blueprints, Safety & Site Basics
Master the fundamentals every technician must know before stepping on any job site — blueprint reading, safety protocols, material identification, and site organization.
5 Modules
Videos for Stage 1: Construction Foundations
AI-curated YouTube videos matched to what you're studying right now
How to Read Construction Blueprints — Complete Beginner Guide
The Structural Guy
2.4M views
Matches Module 1: Blueprint Reading
OSHA 10 Construction Safety — Everything You Need to Know
SafetyFirst Pro
1.1M views
Matches Module 2: PPE & Safety
Construction Site Organization & Workflow Best Practices
Build Smart Academy
890K views
Matches Module 5: Site Organization
Construction Materials 101 — Steel, Concrete & Wood Framing
Engineering Explained
3.2M views
Matches Module 4: Materials Overview
All 5 Stages at a Glance
Click any stage to jump to the full curriculum above
Mark D. Sullivan
Mark Sullivan brings over 22 years of hands-on field experience in commercial and residential construction, mechanical systems, and code compliance. He has trained over 3,000 technicians across 14 countries and served as a technical consultant for IBC compliance projects in the Middle East and South Asia.
22+ years
Experience
3,000+
Students Trained
14
Countries
Instructor Rating
What Our Graduates Say
Join over 1,800 students who have transformed their careers through our Technician Class program.
Ahmad Rahmani
Site Supervisor
"The Technician Class completely transformed my career. I went from being a general laborer to a certified site supervisor in just 8 weeks. The IBC compliance module was especially valuable for my current role."
Fatima Noori
Construction Inspector
"As a woman entering the construction field, I needed comprehensive training that covered both technical skills and industry standards. This course gave me exactly that. The certificate helped me land my dream job."
Mohammad Hosseini
HVAC Technician
"The mechanical systems section was incredibly thorough. I now confidently handle HVAC installations and maintenance for commercial buildings. The hands-on approach in the modules made all the difference."
Zahra Ahmadi
Project Coordinator
"I needed to understand construction from the ground up to coordinate projects effectively. This course gave me the technical foundation I needed. The blueprint reading skills alone were worth the entire program."
Omar Farooqi
Safety Officer
"The safety protocols and OSHA training in Stage 1 directly led to my promotion to Safety Officer. The certification is recognized by employers and has opened many doors for me."
Nadia Popal
Independent Contractor
"After completing this program, I started my own contracting business. The comprehensive curriculum gave me the confidence to bid on projects and manage teams effectively. Highly recommended!"
Frequently Asked Questions
Everything you need to know about registration, the exam, and your certificate.
Still have questions?
Chat with our support teamEarn Your Technician Certificate
Complete all 5 stages and pass the final 10-question exam with 70%+ to receive your official Kaaj UN Technician Class Certificate — recognized by employers in 68+ countries.
Complete 5 Stages
All 25 modules
Pass Final Exam
Score 70% or higher
Get Certified
Official certificate