Taking the Temperature on HVACR

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.   Mentioned in this episode: Download Ref Tools app for Free! The essential,...

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. Mentioned in this episode: Download Ref Tools app for Free! The essential, all-in-one mobile app for air conditioning and refrigeration technicians. You can subscribe and list...

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.  Mentioned in this episode: Download Ref Tools app for Free! The essential, all-in-one mobile app for a...

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. Mentioned in this episode: Download Ref Tools app for Free! The essential, all-in-one m...

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.  Mentioned in this episode: Download Ref Tools app for Free! The essential, all-in-one...

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. Mentioned in this episode: Download Ref Tools app for Free! The essential, all-in-one mobile app for air conditioning and refrigeration...

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 Mentioned i...

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 applications here Mentioned in this episode: Download R...

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 ...

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. They also touch upon the pros and cons of several sp...

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...

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 discussion on the Optyma™ Control Panel for commerci...

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 MCHE Mentioned in this episode: Download Ref Tools app for Free! The essential, all-in-one mobile app for air conditioning and refrigeration technicians. You can s...

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 oth...

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 installatio...

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. Mentioned in this episode: Download Ref Tools app for Free...

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 let Jens and A2L and A3 expert Stefan Wesch unpack t...

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 ta...

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 info...

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.   Mentioned in this episode: Download Ref Tools app for Free! The essential, all-in-one mobile app for air conditioning and refrige...

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. Toge...

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 wi...

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.   Mention...

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.  Mentioned in this episode: Download Ref Tools app for Free! The essential, all...

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 do you avoid pushing the com...