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I had a great opportunity to sit down with my good friend Chris Stephens from HVACR Videos at the 2023 AHR Expo in Atlanta. We had a chance to catch up and talk about many things like being a service technician, things to look for on a service call and how to be a good technician.

Check out HVACR Videos YouTube channel - https://www.youtube.com/@HVACRVIDEOS

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Returning guest Benoit Rodier from Cimco Refrigeration help us understand the options of CO2 transcritial in the industrail applications.

Topic Discussed:

• What we saw at Chillventa
• How many more CO2 manufactures vs 20 years ago
• Industrial CO2 Transcritical, Cascade, Pump Systems
• Designing full Industrial plants using CO2
• Industrial CO2 Options
• Ice Rink R22 replacement to a CO2 Transcritical system and the huge savings the customer is now seeing

Connect with Benoit on LinkedIn - Connect Here

Learn more about Cimco Refrigeration - Learn More Here

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Today, we have Wynand Groenewald, the founder and CEO of Future Green Now.

We had the opportunity to talk to him at the 2023 AHR expo we discussed some of the global trends around CO2 and a great conversation about what we are going to see in the coming future for natural refrigerants.

About Wynand Groenewald

Wynand Groenewald is the founder and CEO of Future Green Now.

His passion is natural refrigeration. He wants to play as big a role as possible in promoting, training, designing, and implementing solutions for natural refrigeration systems so that the industry are enabled to move towards a more sustainable refrigeration base. His career has been dedicated to CO2 as a refrigerant since 2007. For the last 13 years, Wynand has been involved with multiple first-of-its-kind CO2 refrigeration solutions for the retail and industrial industry within South Africa and also Australia, the United States, and Asia.

Connect with Wynand

Linkedin: Wynand Groenewald

Learn more about FGN - www.futuregreen.co.za

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I had the opportunity to have Jim VanderGiessen CEO of Pro Refrigeration join us for a amazing conversation on Pros journey into the CO2 world. They built the 1st CO2 transcritical chiller in North America. How they did it was by getting outside their comfort zone, not listening to the naysayer and taking action towards a vision of natural refrigerants in Chillers. Over the years they have built strong relationships with customers and clients who were willing to work with them and it is all paying off. They road was steep and they are still continuing to climb but they are pushing through and making a mark on the CO2 industry. I know they are just getting started. Enjoy.

ProRefrigeraiton Website - https://prochiller.com/

LinkedIn ProRefrigeration - https://www.linkedin.com/company/pro-refrigeration-inc/

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We had the opprotunity to chat with Andre Patenaude from Copeland at the 2023 AHR Expo.

Topics Discussed:

• North American Refrigerant Regulations
• AIM's Act
• Pro's and Con's of regulations
• Net Zero Goals - Scope 1 (Direct Emissions), Scope 2 (Indirect Emissions - Energy), Scope 3 (Indirect Emissions - Supply Chain)
• North American Climate Zone Study
• Copeland's CO2 Supermarket Lab (Largest in North America)
• Future of CO2 condensing units
• Check out https://e360hub.emerson.com/

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Watch this Video Here

In this episode I had a chance to talk with a friend of mine and the CTO of Vitalis Extraction Technologies James Seabrook. This was a deep technical session on CO2 extraction technology. Get your pen and paper handy. CO2 extraction is something that has been gaining huge attention over the last few years and it is continuing to grow. I did not know much about CO2 extraction before this conversation but now I do. I gained a huge amount of knowledge and some great tips.

Topics Discussed:

• What is CO2 extraction?
• Why CO2 extraction systems are used?
• How a CO2 extraction system works step by step
• The difference between a CO2 extraction system vs CO2 refrigeration system
• Why they use CO2 liquid pumps vs other technologies
• Different extraction plant-based proteins, aerogels and much more

Learn More about Vitaliset:

Reach out to them and let them know you listened to this podcast.

Web: https://vitaliset.com/ LinkedIn: https://www.linkedin.com/company/vitalis-extraction-tech/?originalSubdomain=ca IG: https://www.instagram.com/vitalisextractiontech/

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I had the opportunity to catch up with Chris Brown who is the Application Engineering Manager for Danfoss North America. Chris and I had a great conversation at the 2023 AHR Expo about Danfoss CO2 controllers.

Topics Discussed:

• Danfoss Controller Talk
• EKC326a HPV & FGBV Controller
• Controllers you can use to replace the EKC326a Controller
• How to set up the AK-PC 772a when just using it for the HPV & FGBV
• Danfoss Service Tool software and how easy it is to use.
• Top things you should know about their case controllers like the AK-CC-550 (single), 750 (multi), CC55
• CALM - Liquid Management for energy efficiency

Check out the podcast Chris does with Dave Yoder called Danfoss Controller Talk - Watch here

Danfoss North American Support - Find More Here

Danfoss Controller Support Number - 1 (888) Danfoss

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We had Jason Obzurt the director of industry standards and relations from the ESCO group join our session. We had a great discussion on refrigerant regulations and compliance.

Topics we covered

• Upcoming A2Ls regulations
• A2L allowable charge limits for M1, M2 and M3 charges
• A3 charge limits
• Review what active room monitoring
• Review what active alarms are and talk about the extra safety steps you will need to do for system with A2L & A3s.
• Larger charge limits and what does that mean
• RDS - Refrigerant Detection Systems that may use outdoor/Indoor coils leak detectors, isolating solenoids, mechanical ventilation

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We had the pleasure to hang out with Don Fort lead refrigeration trainer for Heatcraft. Don has been the the HVACR industry for over 40 years and has been training refrigeration professionals for over 25 years.

Topics we discuss:

• Training technicians on CO2 refrigeration
• Review CO2 Terminology
• Troubleshoot tips on CO2 system
• Heatcraft CO2 training programs

Learn more about Heatcraft training - https://www.heatcraftrpd.com/training/

Heatcraft TV Don talked about - https://www.heatcraftrpd.com/resources/heatcraft-tv/

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Watch the video here - https://www.youtube.com/watch?v=niKsE-cgQ-k

This is a game changing episode for compressor troubleshooting. I had my good friend Petr Chadima who is an expert in compressor testing and R&D for Copeland.

Topics we discuss:

• What is a compressor operation envelope
• How to use the Copeland Select 8 software
• Compressor mass flow and what it means to the compressors and system
• Understanding the different conditions when running outside the envelope
• What to look for when running into compressor issues
• How to troubleshooting using the operation envelope

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