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Courses · Ran Chen, EA, CFP®

Trades Exam Prep

by Ran Chen, EA, CFP®

#127 Courses
▼21 today

Trades Exam Prep is a free, daily podcast by OpenExamPrep covering the most in-demand skilled trades licensing and certification exams — including EPA 608 (HVAC refrigerant), FAA Part 107 (drone), Master Electrician, Plumber, General Contractor, ASE automotive, NATE, OSHA 10/30, Welder Certification, and more. Each 5-minute episode breaks down one exam topic with concrete examples, common exam traps, code references, and field-ready memory tricks to help you pass on your first attempt. No fluff, no filler — just the concepts you need to know, explained the way the exam tests them. This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP designation. He is passionate about opening access to high-quality exam preparation for everyone — from journeyman to master license, from apprentices to seasoned tradespeople. For free practice questions, AI-powered explanations, flashcards, and full study guides, visit https://open-exam-prep.com/ Subscribe and listen daily — your license is closer than you think.

Chart trend

Position in the Courses chart (US), last 90 days.

#78
all-time peak
3
days in the top 100 since Jun 2026

Latest episodes

Showing 20 · updated from the feed

NATE HVAC Exam Prep 17, Thermostats and HVAC Control Logic

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening

Sep 4
4 min

NATE HVAC Exam Prep 16, Relays Contactors Sequencers and Safeties

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening

Sep 3
4 min

NATE HVAC Exam Prep 15, Transformers and Low Voltage Control Power

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening

Sep 2
4 min

NATE HVAC Exam Prep 14, Motors Capacitors and Starting Circuits

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening

Sep 1
4 min

NATE HVAC Exam Prep 13, Alternating Current Inductance and Power Factor

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening

Aug 31
4 min

NATE HVAC Exam Prep 12, Series and Parallel HVAC Circuits

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening

Aug 30
4 min

NATE HVAC Exam Prep 11, Voltage Current Resistance and Power

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening

Aug 29
3 min

NATE HVAC Exam Prep 10, HVAC Fundamentals Calculations and Exam Traps

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening

Aug 28
3 min

NATE HVAC Exam Prep 9, Combustion Venting and Carbon Monoxide Safety

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening

Aug 27
4 min

NATE HVAC Exam Prep 8, Refrigerant Piping Oil Return and Line Protection

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening

Aug 26
3 min

NATE HVAC Exam Prep 7, Superheat and Subcooling Fundamentals

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening

Aug 25
3 min

NATE HVAC Exam Prep 6, Pressure Temperature Relationships and Saturation

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening

Aug 24
4 min

NATE HVAC Exam Prep 5, The Refrigeration Cycle and Component Roles

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening

Aug 23
3 min

NATE HVAC Exam Prep 4, Heat Transfer BTUs and System Capacity

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening

Aug 22
3 min

NATE HVAC Exam Prep 3, HVAC Tools and Measurement Accuracy

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening

Aug 21
2 min

NATE HVAC Exam Prep 2, Jobsite Safety PPE and Hazard Control

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening

Aug 20
3 min

NATE HVAC Exam Prep 1, Understanding the CHP-5 Certification Path

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening

Aug 19
3 min

EPA 608 Prep 40, Exam Day Strategy — Common Traps and High-Yield Topics

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening

Aug 18
4 min

EPA 608 Prep 39, Oil Recovery and Acid Tests — Compressor Health

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening

Aug 17
3 min

EPA 608 Prep 38, Brazing and System Opening — Recover First, Always

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening

Aug 16
3 min

Chart positions

Where Trades Exam Prep ranks today in each Apple Podcasts chart (US, Sep 4, 2026).

#127 ▼ 21 Courses US

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About Trades Exam Prep on Reason.fm

Here you find the Apple Podcasts chart positions of Trades Exam Prep, its latest episodes to listen to directly, and reviews from listeners. Rankings are updated daily for the United States.

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