Part of the HVAC pass
NATE Core mock exam: the full timed 50-question exam
50 questions · 90 minutes · pass mark 35 of 50
50 questions on one 90-minute clock, weighted like NATE’s Core outline: Basic Electricity 26%, Safety 18%, Taking Temperature and Humidity Measurements 14%, Achieving Desired Conditions 14%, Tools 10%, Using Basic Science 10%, Basic Construction 8%. You get a score by area and topic, and an explanation for every option.

Before you start
- Every question has four options and one best answer.
- You can skip, go back, change answers and flag questions. The 90-minute clock keeps running in background tabs and reloads, and the exam is submitted when time runs out.
NATE is a mark of North American Technician Excellence, Inc. Game Assessment Prep is an independent practice site, not affiliated with or endorsed by NATE. Every question is original; none is taken from NATE exams, NATE study guides or another prep provider.