
Stranger Things: HVAC edition
In this episode of “Taking the Temperature of HVAC,” Jamie Kitchen is joined by John Broughton and Jörg Saar to swap their strangest refrigeration and HVAC stories from the field—from diagnosing syste...
29 Juli 42min

TXV vs EEV: Taking the Temperature of modern refrigeration control
In this episode of Taking the Temperature of HVAC, Jamie Kitchen sits down with John and Jorg to unpack the real-world differences between TXVs (thermal expansion valves) and EEVs (electronic/electric...
25 Juni 50min

The hidden costs of oversized HVAC equipment
Oversizing HVAC and refrigeration equipment might seem like the “safe” choice—but it can quietly destroy efficiency, product quality, and component life. In this episode of Taking the Temperature of H...
22 Maj 48min

Walk-in refrigeration systems explained
In this episode of Taking the Temperature of HVACR, Jamie Kitchen is joined by John Broughton and Jorg Saar to break down the essentials of cold rooms, walk-in boxes, and refrigeration design, coverin...
22 Apr 38min

From ice harvesting to Low-GWP refrigerants
In this episode of Taking the Temperature of HVAC, Jamie Kitchen sits down with John Broughton and Jorg Saar to explore the fascinating history of refrigerants—from harvested ice, water, ammonia, and ...
25 Mars 51min

Turning refrigeration heat into comfort
In this episode of Taking the Temperature of HVACR, host Jamie Kitchen joins Jorg and John to discuss how supermarkets can reclaim “waste heat” from their refrigeration systems to tackle humidity issu...
25 Feb 38min

CO₂ vs A2L refrigerants: Choosing the right refrigerant
Host Jamie Kitchen and guest Jorg Saar compare CO₂ with A2L/HFO-HFC blends and A3 options like propane (R290), explaining why CO₂ isn’t new, what transcritical operation means, and why CO₂ can excel a...
27 Jan 41min




















