FREE CERTIFICATION PREP

NATE Core Certification

The most recognized HVAC credential. Master all Core exam topics: electricity, heating, cooling, air distribution, controls, and safety. 50 questions, 70% to pass.

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Course Modules

Click any module to start learning. Begin with the Overview, then work through each module in order.

OVERVIEW

Course Overview

NATE exam structure, specialty tracks, study plan, how to register for your exam.

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MODULE 1

Basic Electricity

Ohm's Law, Watt's Law, series/parallel circuits, capacitors, contactors, multimeters.

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MODULE 2

Heating Fundamentals

BTUs, tons, sensible vs latent heat, combustion, gas furnace components and safety.

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MODULE 3

Cooling & Refrigeration

Refrigeration cycle, superheat, subcooling, TXV vs fixed orifice, SEER ratings.

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MODULE 4

Air Distribution & IAQ

CFM, static pressure, duct types, MERV ratings, humidity control, mastic sealing.

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MODULE 5

Controls & Thermostats

24V control circuits, thermostat terminals R/C/Y/G/W/O, ladder diagrams, safety switches.

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MODULE 6

Safety, Tools & Troubleshooting

LOTO, PPE, nameplate readings, tool guide, systematic troubleshooting methodology.

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Practice Exams

Test your knowledge after completing the modules. Instant feedback on every question.

Full 50-Question Exam

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25-Question Quick Quiz

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NATE Core Certification