
Welcome to Cool Air, Hot Takes, the podcast that’s as smart as your building’s thermostat and twice as fun. Hosted by Charlie Jelen and Dan Gentry, two HVAC pros with over 30 years of combined experience and a lifetime of friendship, this show is your go-to for the latest in heating, ventilation, and air conditioning, industry news, and cutting-edge HVAC trends. Charlie is a building-systems exper... more
| Publishes | Twice monthly | Episodes | 36 | Founded | 2 years ago |
|---|---|---|---|---|---|
| Number of Listeners | Categories | EducationTechnology | |||

For generations, construction has happened almost entirely on site: excavating, pouring, framing, and running conduit piece by piece, at the mercy of weather and whoever is available to do the work. But with a deep labor shortage and projects now mea... more
For over a century, heavy machinery has run on hydraulics: fluid-filled systems that leak, wear out, and slow down over time. But a new belt-driven actuator technology inspired by human muscle movement is offering a fluid-free alternative that outper... more
From submarines to servers, today’s guest is Adrian Hilderbrand, a former nuclear electrician’s mate who breaks down how the skills that kept a nuclear reactor cool translate directly to keeping hyperscale data centers running. Now a principal techni... more
U.S. electricity demand just rose for the first time in over two decades, and the data behind that shift is reshaping how HVAC engineers, contractors, and manufacturers need to think about energy planning. Today, Charlie and Dan speak with Lisa Jacob... more
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Great job guys. Love the chemistry and the pace. Not easy to keep HVAC interesting, but you did a nice job.
Super engaging and fun podcast that keeps even the non-tech listeners like me interested!
Great podcast. Love the back and forth between Charlie and Dan. Looking forward to more from them!!
A great podcast to stay up to date on the latest hvac trends!
The best way to keep up on what’s happening in the HVAC space.
Key themes from listener reviews, highlighting what works and what could be improved about the show.










Recent interactions between the hosts and their guests.
Listeners, social reach, demographics and more for this podcast.
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Practical conversations about commercial HVAC, building systems, energy efficiency and the technologies reshaping the industry. Regular hosts Charlie Jelen, a building-systems expert, and Dan Gentry, an applications engineer, combine technical discussion with industry headlines, listener questions, field stories and interviews with engineers, executives, researchers and workforce leaders. Topics range from data-center cooling, AI controls and heat pumps to restaurant ventilation, industrial decarbonization, acoustics and HVAC career training. The format balances detailed engineering and operational insight with informal banter and humor, making complex subjects accessible without losing their practical relevance. A distinctive focus on the ... more
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Cool Air, Hot Takes launched 2 years ago and published 36 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.
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Recent guests on Cool Air, Hot Takes include:
1. Hiten Sonpal
2. Adrian Hilderbrand
3. Lisa Jacobson
4. Ali Heydari
5. Ruth Checknoff
6. Jean-Simon Venne
7. Frank Kohout
8. Angie Simon
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