EPA CFC 608 Test Fast Pace HVAC Study Lecture - Type 1 2 3 - Refrigerant Recovery, Recycle, Reclaim
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HVAC Basics: EPA 608 - Certification Test for Trace Gas Leak Detection on a Refrigeration System
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HVAC Basics: EPA 608 Certification Test Study Guide - Intro - Heat Transfer, Graphing Enthalpy
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EPA 608 Core Prep - Part 1
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EPA Test Preparation Guide 5 of 5
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HVAC Troubleshooting Part 1
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HVAC 164 EPA Study methods and testing tips
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HVAC 129 Faster Recovery
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