I don't use my M3 Max in public, but running local models on it makes me uncomfortable because of fans too.
I also have a Dell laptop that spin up fans if I open a text editor, and it feels normal, but on Mac, I feel like fans spinning up is me somehow abusing it and shortening its lifespan.
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My 14in M3 Max turns the fans way up when running local agentic coding for me to be comfortable with using it in a public place.
I don't use my M3 Max in public, but running local models on it makes me uncomfortable because of fans too.
I also have a Dell laptop that spin up fans if I open a text editor, and it feels normal, but on Mac, I feel like fans spinning up is me somehow abusing it and shortening its lifespan.
Reminds me of a previous generation (plastic shell) MBP drawing both AC and battery for sustained peak performance, fans spinning.