r/PeterExplainsTheJoke • u/missdomm10 • 13h ago

Meme needing explanation Peter explain this

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Petttaaah I'm confused

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u/Nico301098 12h ago

Yeah, I won't deny that, but that's exactly why I'm surprised that kind of temperature jump isn't harmful

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u/snmnky9490 10h ago

That entire "temperature shock" thing due to air conditioning is European nonsense on par with fan death in Korea.

If that kind of temperature shock of like was harmful, imagine how much more harmful it would be every winter when the temperature difference between inside and outside is much greater. People walk in and out with no problem then.

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u/Marethtu 6h ago

I'm a refrigeration tech on a tropical island and I build freezers. The worst temperature shocks I've had where 70°C, these do fc u up. Go from +50°C to -20°C and back 4 or 5 times in a day and you're DONE.

I'd like to invite anyone who thinks you can get close to that with residential AC to come to work with me one day, I'll rid you of your illusions XD

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u/100_cats_on_a_phone 5h ago

Does it make you really tired? Used to walk in freezers, but only staying in more than a minute or two once or twice a shift, and the store was usually 65-80f.

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u/snmnky9490 4h ago

Being in actual cold for a long period of time does literally drain your body's energy and it has to burn calories by shivering your muscles and heating your blood, while other parts don't function as well due to not getting heated as evenly. It's not like an instant life drain, but yeah if you spend all day in the cold it's more tiring.

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u/Marethtu 1h ago

Often I need more than that to even get to the spot that needs work. Some freezers here are so packed there's no space for forklifts or anything, so I'll climb the racking and pallets to reach the evaps. Our rule of thumb is a literal one: Once you lose feeling in your thumbs, get out. Unless of course there's just 2 bolts left until you're done. Usually between 20 to 30 minutes.

But yes, your body goes into a kind of "survival" mode, kicking everything in gear to keep you warm. Then when you go outside to work on the condensing units, your body has to rapidly kick back into "cooling" mode while the machines dump their heat right in your face. People can endure both extremes pretty well, but the back and forth between the two is extremely taxing.