1. THCBaked420 THCBaked420

    when you take the exam, do you take all 3 types?

  2. Emmanuel Chavarria Emmanuel Chavarria

    how long until you get the test results? i took a wrtten test like on a Friday 4/21/17.

  3. Seawolfvital Seawolfvital

    Best teacher ever. I was surprised to find this free and informative videos. EPA wants to see educated techs but never released anything close to what this man did to achieve it. Got my universal(24, 24, 24, 25). Thank u. Thank u. Thank u. Thanks a lot.

  4. Eric Han Eric Han

    I got my universal yesterday because of your videos. I was even able to get a 24/25 on type 3. Thank you!

  5. Deke Sanders Deke Sanders

    I just recieved my Universal Technician cert! Let me be yet another student who commends you for these fantastic training videos. THESE made all of the difference for me. Kudos to the Professor here, as the content is spot on and presented very very well! Thank you! I shared this with the other students who were trying to get Universally certified, and they agreed and commented that these were the best on the net! Well done. Thanks again!

  6. Joe Hadi Joe Hadi

    I already got mine

  7. new lew new lew

    Thank you for these videos! I purchased some study material, but could not get into it.

    Your lectures helped me to understand certain processes. I was able to read the material and understand. I now have my universal certification

  8. Trevor Dietz Trevor Dietz

    your videos have been helpful so far. I work for MCPS in Maryland and I am exposed to commercial chillers. But I find it helpful some of the words and phrases you have used. I frequently watch these videos just to keep my mind fluent, thanks again for the videos

  9. Gurpreet Singh Gurpreet Singh

    hi, i am not American can i get EPA certificate

  10. Dane S Dane S

    These videos were fantastic. Great resource for preparing to pass the EPA 608. Thumbs up. Thanks for being generous with your knowledge and time.

  11. Jim Rondeau Jim Rondeau

    Is lots of math required?

  12. Maui maui Maui maui

    i would love more information

  13. John Aaron John Aaron

    I have watched 10-11 edisonhvac video's so far and I will watch the rest! Well done…I can actually watch an entire lecture and still be awake and alert. Love the teaching style, way better than my teachers at $^%@#^&* community college, Great Job!!


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