HVAC School - For Techs, By Techs

By: Bryan Orr
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  • Summary

  • HVAC School is the ever growing online source for real training topics for technicians in the Air-conditioning, Heating and Ventilation Fields. In the podcast, we will share recorded training, tech ride alongs, share challenging diagnostic scenarios. All to help make the industry, your company, and your truck a better place to be.
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Career Success Economics Personal Success
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Episodes
  • Building Tech Confidence w/ Refrigeration Mentor

    Building Tech Confidence w/ Refrigeration Mentor
    Nov 7 2024
    Trevor Matthews returns to the HVAC School Podcast to discuss building tech confidence and personal growth in the HVAC and refrigeration industry. The conversation explores the transformative power of self-investment, continuous learning, and maintaining a positive mindset. Trevor shares his personal journey from a hesitant technician to a successful business owner, highlighting the importance of pushing beyond comfort zones and embracing continuous improvement. Some fundamental mindset shifts are necessary for professional development. Trevor candidly discusses his early career struggles, including his initial fear of public speaking and technical challenges. He emphasizes that confidence isn't something that happens overnight but is built through consistent effort, studying, and maintaining a willingness to learn. The key to the growth mindset is to focus on personal progress instead of comparing your achievements to those of others, and it's a perspective that can dramatically impact professional and personal growth. Self-investment consists of dedicating time to learning, staying physically and mentally healthy, and maintaining a positive attitude, and it can open up unprecedented opportunities. Many technicians have transformed their careers by adopting a growth mindset, continuously seeking knowledge, and being willing to step outside their comfort zones. Key Topics Covered: Building professional confidenceThe importance of continuous learningOvercoming fear and self-doubt in technical careersStrategies for personal and professional growthMaintaining a positive mindsetInvesting in self-improvementBalancing work, health, and personal developmentThe power of small, consistent actionsAvoiding comparison with othersTechniques for staying motivatedRecommended resources for personal development Recommended Resources Mentioned: Book: "Limitless" by Jim KwikBook: "Good to Great" by Jim CollinsBook: "Think and Grow Rich" by Napoleon HillBook: "Mastery" by Robert GreenePodcast: Hidden BrainPodcast: AC Service Tech Check out Refrigeration Mentor at https://refrigerationmentor.com/ or email Trevor at trevor@refrigerationmentor.com. Have a question that you want us to answer on the podcast? Submit your questions at https://www.speakpipe.com/hvacschool. Purchase your tickets or learn more about the 6th Annual HVACR Training Symposium at https://hvacrschool.com/symposium. Subscribe to our podcast on your iPhone or Android. Subscribe to our YouTube channel. Check out our handy calculators here or on the HVAC School Mobile App for Apple and Android.
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    47 mins
  • Molecular Transformator - Short #217

    Molecular Transformator - Short #217
    Nov 5 2024

    In this short podcast episode, Bryan talks about the CPS Molecular Transformator and what it does.

    The Molecular Transformator is a version of a tube-in-shell heat exchanger, which is a method of exchanging heat from one fluid medium to another fluid medium. Tubes containing a fluid pass through a shell containing water or glycol, and there is a heat exchange between that secondary fluid and the fluid being circulated in the tubes. In a Molecular Transformator, the fluid being circulated is recovered refrigerant, and the secondary fluid is water (in a bucket), which absorbs heat from the refrigerant and cools it down to make sure that the refrigerant enters the recovery tank as a liquid.

    Refrigerant recovery machines have condensers inside of them, but they are quite small and don't hold a lot of refrigerant by design; many recovery machines use microchannel coils. A lot of the time, the refrigerant leaving a recovery machine is a liquid-vapor mix and too high-temperature; a lot of people run a hose over the tank or put it in a bucket of ice. The "Molecular Transformator" tries to settle the vapor molecules down into a liquid; it transforms the vapor molecules using the same mechanism as a tube-in-shell heat exchanger.

    The main issue is that there will be leftover refrigerant in the Molecular Transformator after recovery. However, you can mitigate this problem with ball valves and proper purging. Do so responsibly to avoid venting refrigerant.

    Have a question that you want us to answer on the podcast? Submit your questions at https://www.speakpipe.com/hvacschool.

    Purchase your tickets or learn more about the 6th Annual HVACR Training Symposium at https://hvacrschool.com/symposium.

    Subscribe to our podcast on your iPhone or Android.

    Subscribe to our YouTube channel.

    Check out our handy calculators here or on the HVAC School Mobile App for Apple and Android.
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    9 mins
  • Surge Protection Basics w/ DITEK

    Surge Protection Basics w/ DITEK
    Oct 31 2024
    In this enlightening episode, we sit down with Mike, a 20-year veteran from DITEK, a leading American manufacturer of surge protection devices based in Largo, Florida. The conversation begins with a brief discussion about recent hurricane impacts in the Tampa Bay area, where DITEK maintains its 65,000-square-foot manufacturing facility. Mike shares how the company, despite facing challenging weather conditions, continued its operations and maintained its commitment to American manufacturing. The bulk of the discussion centers around surge protection technology and its critical importance in protecting HVAC systems and other electronic equipment. Mike provides an excellent analogy, comparing surge protectors to pressure relief valves for electrical systems. He explains how Metal Oxide Varistors (MOVs) work as semiconductors that create low impedance paths to ground when voltage exceeds certain thresholds. The conversation delves into the evolution of MOV technology, particularly the development of thermally protected MOVs that provide enhanced safety features. The episode also addresses common misconceptions about surge protection, particularly the belief that surge protectors are primarily for lightning protection. Mike explains that while lightning strikes are a concern, especially in areas like Florida, approximately 65% of surges actually originate from within facilities themselves, often from equipment cycling on and off or other power quality issues. He emphasizes the importance of proper installation, particularly regarding ground connections and lead lengths, noting that every six inches of wire length can add about 100 volts to the clamping voltage of the device. Key Topics Covered: DITEK's history and commitment to American manufacturingBasic principles of surge protection and how MOVs workEvolution of MOV technology and thermal protection featuresDifference between transient voltage and temporary overvoltage (TOV)Importance of proper grounding and lead length in surge protectionCascading surge protection strategy for comprehensive protectionUL testing standards and voltage protection ratings (VPR)Common misconceptions about surge protectionImpact of aging electrical infrastructure on power qualityImportance of customer support and ethical business practicesInstallation best practices for surge protection devicesRelationship between ground resistance and surge protector performanceTypes of surge protective devices (SPD) and their classifications Learn more about DITEK at https://www.diteksurgeprotection.com/. Have a question that you want us to answer on the podcast? Submit your questions at https://www.speakpipe.com/hvacschool. Purchase your tickets or learn more about the 6th Annual HVACR Training Symposium at https://hvacrschool.com/symposium. Subscribe to our podcast on your iPhone or Android. Subscribe to our YouTube channel. Check out our handy calculators here or on the HVAC School Mobile App for Apple and Android.
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    39 mins

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Profile Image for Andy

Relevant Topics

valuable information for techs by techs right on. Perfect title for Podcast. Looking forward to applying for the scholarship. I'm interested in the apprenticeship and learning the trade.

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Really good!

I've listened to a few other hvac podcasts lately and they are painful. This one is actually really really good.

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Informative & Enjoyable

The podcasters are easy to listen to, not hard on the ears. The HVAC & related material are always informative & applicable. I appreciate these audios.

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Profile Image for Dylan L Villano

amazing HVACR podcast

Bryan Orr is a great instructor. He is very knowledgeable. He has experts from various parts of the industry as guests. He goes above and beyond to give back to the HVACR industry. he has helped me to become a better technician. so grateful for the content he provides.

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Thank you.

I’m new to the trade and love the way you explain it.
Thank you so much.

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Profile Image for Lukasz Koplejewski

Great educational speakers and great industry information.

Great educational speakers and great industry information. Would highly recommend to anyone in HVAC industry. Also has great plugs for great industry tech.

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