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Tune in to the best podcast in the cooling industry. Join host Jens Andersen as he takes you through the principles, processes, and applications in and around evaporative refrigeration. Jens has knowledge, wisdom, and insights gained from over 40 years spent working at Danfoss, and he’s excited to share it all with you. He’s also got plenty of friends and colleague in the industry who like to drop by to share their stories and unique perspectives. Whether you're a cooling industry veteran or ...
Heating and cooling are responsible for 50% of the EU final energy demand. Tackling this sector is essential for the EU to meet its target of being carbon neutral by 2050. Our host Susanne Tull, Senior Manager Public Affairs at Danfoss, is joined by leading specialists and visionaries across the energy sector who share their views and ideas around 5 topics ranging from digitalization to energy planning. This podcast is produced by Danfoss Heating. Danfoss Heating engineers technologies that ...
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Chilling with Jens
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Cool Talk: Customer application in Coolselector®2
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In this episode of the Chilling with Jens podcast, Jens speaks to Norbert Blatz about a game changing new Coolselector®2 programme feature designed to help businesses when calculating cooling systems for quotations. With the latest Coolselector®2 update, businesses can now access a new template that can be applied for each new system, making the qu…
In this episode of the Chilling with Jens podcast, Jens is joined by John, Jorg, and Jamie to talk about humidity issues in HVAC and in storage facilities. They’ll dive deeply into the importance of humidity and its crucial role in comfort control.By Danfoss Climate Solutions
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Chilling with Jens
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Cool Talk: Typical installation mistakes
1:07:49
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In today’s podcast episode, our experts, Jens, John, Jorg, and Jamie, discuss typical problematic habits and installation errors. Errors committed during the installation and commissioning of cooling systems, whether they are cold rooms, chiller installations, or HVAC systems. So, kick back, relax, and let our experts take you on a fun ride full of…
Jorg, Jens, Jamie, and John discuss oversized equipment and why it's not sized right in today's podcast. With a combined 75 years of experience, the four experts delve into themes ranging from the marriage of compressors and evaporators to the humidity of meat storage rooms and even white chocolates.…
Thierry Legay, a Danfoss compressor expert, joins Jens on this edition of the Chilling with Jens podcast. They delve into the realm of compressors, their power usage, and the many situations/conditions in which they operate.By Danfoss Climate Solutions
In this episode of the Chilling with Jens podcast, Jens is joined by Joseph Krisher for a conversation about Pressure Sensors. They are going to discuss modern pressure sensors and give us a glimpse into the smarter future with connected products, the internet of things, etc.By Danfoss Climate Solutions
The November episode of Chilling with Jens goes into details about temperature sensors for use mostly in refrigeration systems. Jens is joined by sensor expert Kevin Mee, and the two of them discuss how sensors work and how to get the best out of these small, but quite significant, pieces of passive electronic.…
In this episode of the Chilling with Jens podcast about commissioning best practices, Jens interviews John Broughton, Global Applications Expert, to discuss the start-up procedure for commissioning a cold room, either by starting up a brand-new cold room or after a thorough refurbishing.By Danfoss Climate Solutions
In this episode, John Broughton is talking about air flow in general and inside freezer rooms in particular. There are quite a few things to consider and pay attention to when building and servicing cold rooms, but also the outdoor units need attention.By Danfoss Climate Solutions
In this episode, Jens is joined by Jörg Saar for a conversation about Secondary Cooling. Taking an application-level perspective, they go over the principles of energy transport, how one refrigeration system can create the foundation for another, and what situations it’s applied to. You can also check our infographic about secondary cooling here…
In this episode about low temperature and freezer applications, Jens interviews John Broughton, Global Applications Expert, to discuss the practicalities, methodologies, and precautions. Here you can learn everything you need to know to build, maintain, and service low temperature refrigeration systems. Check out our infographic about Freezer appli…
Jens is joined by Danfoss North America’s favorite Canadian, Jamie Kitchen, to talk about superheat and the new TXV Superheat Tuner tool that’s now a part of the Danfoss Ref Tools app. Jamie starts out by talking about superheat, what it is, and the benefits of adjusting the thermostatic expansion valve to the optimum superheat setting. He then cov…
The refrigeration industry is steadily moving towards more sustainable refrigerants, which can have a big impact on all of you out there in white vans with dirty hands. In this episode, Jens and Jorg take a look at new refrigerants including A2L and A3 types, the rules and regulations surrounding them, and how to work with them out in the field. Th…
In this episode of the Chilling with Jens podcast, Jens is joined by Drew Turner to talk about the benefits of oil-free heat pumps. They’re quick to dive into the exciting possibilities in district energy, exploring how to utilize waste heat generated from supermarket cooling, wastewater treatment plants, and the like. They also touch on how to ser…
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Chilling with Jens
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Cool Talk: What's new in Danfoss Climate Solutions
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11:46
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Jens kicks off this episode with a very exciting update about Danfoss Climate Solutions and what that means for both the immediate and long-term future. He also dives into some other announcements about our new safety valve, the SFA 10H, and the EKE 400 superheat controller for industrial refrigeration. Finally, Eduardo Cruz stops by for a quick di…
Jens is joined by Mustafa Yanik to discuss the use of microchannel condensers and the impact of all-aluminum heat exchangers on daily work with the material, reduced size, and general treatment of MCHEs. Click to learn all about Danfoss MCHEBy Danfoss Cooling
Jens is joined by Nobert Blatz to discuss Danfoss’ free software solutions that help refrigeration technicians in their everyday work. The main topic of the conversation is Coolselector®2 and how the software can help technicians optimize energy consumption and increase efficiency in any HVACR system. They also touch on Ref Tools and a few other he…
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Chilling with Jens
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Cool Talk: The good, the bad, and the absolutely terrible
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18:57
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John Broughton joins Jens once again, this time to regale him (and you) with stories of the best and worst experiences with condensing unit installations from his field service expeditions in Europe and the UK. John shares several stories; his favorites being dealing with on-site visits where he had to clean up after installations went completely s…
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Chilling with Jens
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Cool Talk: The future of Connected Cooling
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In this special episode, Jens hands over the reins to Thomas Kolster and Julian Hall, sharing the audio from their recent livestream. The two of them discuss the future of connected cooling solutions, exploring exciting trends and current technologies. Tune in to get a fascinating look at where the future of the cooling industry is headed.…
In today's podcast, Jens talks about the implications of the increased charge limit for flammable refrigerants in self-contained commercial refrigeration appliances. As commercial refrigeration moves to low-GWP solutions, the revised standard means flammable solutions such as propane and iso-butane become more common. So, get a cup of coffee and le…
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Chilling with Jens
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Cool Talk: After Hours at Cooling United Live
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In today's special edition of the Chilling with Jens podcast, Jens shares his broadcast from Cooling United Live—Danfoss’ first fully immersive online event. Jens was joined by Danfoss application experts Jörg Saar and John Broughton as they sat down for a chat during the closing hours of the big event. Listen in as they talk about the cooling indu…
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District Energy Insights
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Decarb Districts with the right policy framework
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21500 new district energy networks have to be built in Europe in order to meet decarbonization goals by 2050. For it to happen in practice, a significant shift of investments from fossil fuels towards district energy infrastructure and renewables is needed. In episode five, we explore what the optimal policy and financial framework for decarbonized…
In this fourth episode we deep dive into digitalization in energy systems with Olivier Racle, Director District Heating and Cooling solutions at Engie, and Jukka Aho, founder of the Finnish startup Leanheat. They share insights into current best practices and future technologies that will have the biggest impact in transforming the sector. What is …
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District Energy Insights
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Decarb Districts with a system approach in energy planning
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In episode 3, we talk with Kaisa-Reeta Koskinen from the city of Helsinki and Susana Adriana Paardekooper from Aalborg University about the importance of taking a system approach when it comes to decarbonizing heating. Kaisa-Reeta and Susana offer insights into integrated energy planning, how to ensure an optimal balance between investments in ener…
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District Energy Insights
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Decarb Districts with low temperature district heating
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The future of district energy is highly efficient, renewable and flexible. Modern, smart district energy networks will work with lower temperatures and thus be able to save energy as well as integrate a variety of sustainable sources. In episode 2, Alessandro Provaggi, Head of the DHC+ Technology Platform at Euroheat & Power explains the benefits a…
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District Energy Insights
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Decarb Districts with smart integrated energy systems
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Decarbonization is more cost-efficient and easier to achieve in smart integrated energy systems. These systems connect sectors such as electricity, heating, cooling and transport for an optimal use of energy and maximum efficiency. Compared to a ‘conventionally decarbonized’ scenario by 2050, smart energy systems can reduce primary energy use by 13…
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Chilling with Jens
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Cool Talk: Piping: Tips, Tricks and Traps
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In today’s podcast, Jens talks about pipework. When you consider a cooling installation, pipework and pipe size should always be a priority simply because it connects everything together. So, kick back, relax, and let Jens be your guide as he provides tips, tricks, and traps for piping. Checkout our dedicated infographics on piping: How to plan pip…
In today’s podcast, Jens talks about compressor rack systems. Using several compressors to control the capacity in a cooling system can be a challenge. Luckily, Jens does what he does best and breaks it down in an approachable way, so you can get a good overview.By Danfoss Cooling
In today’s podcast, Jens touches on something slightly different—a niche that technicians are not so familiar with—or, rather, a small corner of the world of refrigeration that only a select few refrigeration technicians are working with: transport cooling. Jens is joined by Stefan Wesch, who knows everything worth knowing about transport cooling. …
It’s a special occasion! The Danfoss TU valve is turning 25 years old this year. So, Jens is joined by Jorg Saar, Danfoss’s Global Applications Manager, to reminisce about and celebrate the impact the stainless-steel valve has made on the market over the years and discuss how the valve’s unique design will prevail for years to come.…
In this episode of Cool Talk, everyone’s favorite Chilly Jens is joined by the enthusiastic and exuberant Stephan Bachmann, application and technical support team leader at Danfoss. The two of them discuss the finer points of reciprocating compressors and touch on Stephan’s passion for exotic and unique variations of cooling applications.…
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Chilling with Jens
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Cool Talk: Star-delta starters and three-phase voltage
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11:53
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In this episode, Jens discusses traditional star-delta starters and shares a few insights into three-phase power supply. He also goes into the very basics of three-phase voltage, showing how it comes into play when the star-delta starter is used in connection with traditional hermetic or semi-hermetic compressors.…
A compressor's operational flexibility has its limits, which is illustrated by the Operating Envelope. The Operating Envelope indicates the theoretical threshold a compressor can function in without being challenged by the operating conditions. And, right in the middle of this area, is the compressor's sweet spot. But what sets the limits? And how …
In this episode of the Chilling with Jens podcast, our host looks at the overall landscape when it comes to the use of CO2 in refrigeration, air conditioning, and heating from a Danfoss Perspective. He also explores how the business has developed over the last decade in terms of applications and technical trends are headed. Finally, he discusses th…
In this episode of Cool Talk, Jens interviews Senior Product Manager Ejnar Luckmann about the new Danfoss AK-CC55. They discuss several of its intriguing new features, such as its smartphone user interface, improved defrosting, and adaptive liquid injection algorithms. Ejnar also shares some insightful information on the historical development of t…
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Chilling with Jens
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Chapter 19: The Evaporator and Expansion Valve
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After straying away for a bit to focus on “Cool Talk”, Jens gets back on the educational track here in Chapter 19. This episode addresses the “cool” part of the cooling system: the evaporator, the evaporator coil, and the TXV. Jens discusses how they work together to optimize the cooling process and shares his insights about function, maintenance, …
In this special wintery edition of Chilling with Jens, our host dives back into the written works of Glenn Moore. This time around, the focus is on how compressors and condensers operate during the winter season in the northern hemisphere. There are special considerations to keep in mind to keep things slightly comfier for the compressor with a war…
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Chilling with Jens
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Cool Talk: Liquid Injection in Optyma™ Plus P02
10:06
10:06
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The Danfoss Optyma™ Plus condensing unit is ideally suited for use in locations with high ambient temperatures. However, when you combine the naturally high environmental heat with the use of a new refrigerant, the scroll compressor inside the unit can start running hot. In this episode, Jens is joined, once again, by Danfoss expert John Broughton,…
Jens dug through the Danfoss archives and found four articles written by Glenn Moore, longtime Danfoss Technical Field Service and Support Manager. In this episode, Jens reads through each one to reveal insightful and still-relevant information about condensers, as well as Glenn’s personal stories about the different challenges he’s faced out on se…
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Chilling with Jens
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Cool Talk: CO2 as refrigerant in larger commercial systems
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This podcast is about the use of CO2 or carbon dioxide as a refrigerant in larger commercial systems like supermarkets or hypermarkets. CO2 or carbon dioxide, is a natural occurring substance, a natural part of the earthly atmosphere, although the concentration has been rising in the last 50 years, the CO2 is still one of the most environmentally f…
Cool Talk: Interview with Norbert Blatz on switching to low-GWP refrigerants.Norbert tells us what you need to know when performing a retrofit in an existing system, what considerations you need to have, what protocols, guidelines and standards you need to comply to.Norbert touches also on some of the practicalities and the certifications that an i…
In this episode Jens talks about the things to consider when charging new refrigerant into an existing system, what to think of, what to do, and what not to do. You can do the shift in charge from HFC to another HFC and in some cases also from HCFC to HFC, but you just don’t go all the way to HFO in an existing system. You need to check the compone…
Why compressors fail: John Broughton, Danfoss Global Application Specialist, joins Jens for a special edition of the podcast. They discuss the most common reasons compressors fail and how to avoid these failures. John also shares some sage advice to keep in mind when installing compressors, piping, and lubrication. Finally, the two dive into setups…
In this chapter, Jens discusses PLC’s or “Programmable Logic Controllers”. He dives into the logic behind them and the Boolean perception of logic, i.e. "True" and "False”. He also covers a bit about programming, statements, and conditions.By Danfoss Cooling
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Chilling with Jens
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Chapter 17: System managers and extension modules
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This chapter sheds light on more complex store systems, including remote monitoring. These systems are tailored for large contractors, supermarket chains, and independent monitoring companies. These systems provide real-time status monitoring, which helps ensure food quality, system health, and diagnostics. Join Jens as he takes a deep dive into wh…
Jens talks about capacity controls and Danfoss Pack Controllers. He also discusses different ways of controlling the energy consumption of the most energy-consuming part of the refrigeration system: the compressor. Finally, he touches on the condensing fans as he continues to guide you on your journey through the world of electronic controls for co…
We’re moving on to more complex controllers and therefore also the applications that go beyond basics. Jens talks about controlling stand-alone applications like glass door merchandisers and display cases and the controlling of the different functions, such as capacity control, superheat control, and defrosting.…
The ETC has a simple design, but it’s still a pretty clever refrigeration control that can yield some impressive benefits. In this episode, Jens uses the ETC as an example for explaining the sensor-controller-compressor interface, signal logic, programming, and cabling.By Danfoss Cooling
In this episode, Jens shares what you need to know about digital communication. He also covers the issues related to setting up a good and stable communication with your electronic controllers for the refrigeration business.By Danfoss Cooling
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Chilling with Jens
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Chapter 12: Electricity, the absolute basics
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Get a lightning-fast recap of what you learned about electricity and electrical components in trade school, plus a few secrets they didn’t tell you at the time. This episode covers both the good and the bad, and it’s all essential knowledge that you’ll need when you’re working with refrigeration out in the field.…
