📝 Full-Length Practice Exam

NATE Certification (HVAC/R Technician)

Administered by North American Technician Excellence (NATE)

5 free / 100
Questions
120 min
Time limit
70%
Pass mark
Closed-book
References
🔓 Free preview, then unlock

The first 5 questions are free. To finish all 100questions with full scoring, a topic breakdown, and answer explanations, you'll unlock the rest with the All-Access Pass.

What this is

A full-length NATE practice exam spanning the Core (safety, tools, electrical, HVAC fundamentals) plus specialty areas — air conditioning, heat pumps, gas and oil heating, air distribution, refrigeration/charging, and controls/troubleshooting.

Recommended study sources
  • NATE Core and Specialty Knowledge Areas of Technician Expertise (KATEs)
  • Manufacturer service literature and HVAC/R fundamentals
Topics covered
Core: SafetyCore: Tools & Electrical FundamentalsCore: Heat Transfer & HVAC BasicsAir ConditioningHeat PumpsGas HeatingOil HeatingAir DistributionRefrigeration & ChargingControls & Troubleshooting
📊 What you get at the end
  • Your overall score and a clear pass/fail result against the 70% pass mark — instantly, no waiting
  • A performance breakdown by topic, so you can see exactly which areas need more study
  • Every question reviewed afterward with the correct answer and a full explanation — including the ones you missed
⚠️ These are original practice questions written to mirror the NATE Core and specialty knowledge areas and difficulty; they are not reproductions of actual exam questions. Follow current manufacturer literature and codes, and verify specifics before testing.
EngineersUniverse is an independent educational publisher and is not affiliated with, endorsed by, certified by, or sponsored by North American Technician Excellence (NATE) or any other organization named on this page.NATE and any other credential names referenced are trademarks of their respective owners, used here solely to identify the exam this practice test is modeled on. See our full disclaimer.

The timer starts when you begin. No payment required to try the first 5 questions.