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March 25, 2025 34 mins

How is air conditioner compressor and bearing technology evolving? And is the HVAC industry ready for what’s next?

In this episode, hosts Charlie Jelen and Dan Gentry sit down with Joe Heger, Centrifugal Mechanical Engineering Leader at Trane, to break down the past, present and future of AC compressor and bearing technology. They discuss how these advancements are improving performance, reliability, and efficiency, and what HVAC pros need to know as the industry shifts toward electrification and decarbonization.


Cool Air, Hot Takes is a Trane podcast that breaks down the biggest innovations in HVAC, energy, and building technology with bold opinions, and lots of hot takes.


In this episode we cover:

  • HVAC Headlines - The latest grid emissions data reveals the cleanest and dirtiest U.S. power grids, and the world’s first grid-scale nuclear fusion power plant has been announced - what does it mean for the future of energy and HVAC?
  • Why centrifugal compressors are pushing into new capacity ranges
  • The real difference between magnetic, roller, and gas bearings
  • How electrification is changing compressor design

Plus, Charlie and Dan discuss Project Stargate, heat recovery from data centers, and why the U.S. dominates the global data center market.


Got a rant, hot take, or HVAC job site story? Send it to CoolAir.HotTakes@Trane.com - we'd love to hear from you!


Check out our show page here for more info!


Follow and stream all episodes now on Spotify, Apple Podcasts, or wherever you get your podcasts.


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