Black tee shown back and front: the back has a cream shell-and-tube heat exchanger with orange tubes and a brass snaking flow path; the front has a small heat exchanger cutaway on the left chest.

Run Hot Stay Cool Heat Exchanger T-Shirt, Thermal Engineer Tee, Funny Heat Transfer Engineering Gift

Comfort Colors 1717 / Black / S
$29.99
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Black tee shown back and front: the back has a cream shell-and-tube heat exchanger with orange tubes and a brass snaking flow path; the front has a small heat exchanger cutaway on the left chest.
  • Black tee shown back and front: the back has a cream shell-and-tube heat exchanger with orange tubes and a brass snaking flow path; the front has a small heat exchanger cutaway on the left chest.
  • Back of a black Comfort Colors 1717 tee with the large Run Hot Stay Cool Heat Exchanger print: a cream shell-and-tube heat exchanger with orange tubes and a brass snaking flow path.
  • Front of a black Comfort Colors 1717 tee with a small heat exchanger cutaway on the left chest.
  • Close-up of the Run Hot Stay Cool Heat Exchanger artwork showing the tube bundle, baffles, nozzles and the counterflow temperature plot.
  • Black tee shown back and front: the back has a cream shell-and-tube heat exchanger with orange tubes and a brass snaking flow path; the front has a small heat exchanger cutaway on the left chest.
  • Back of a black Comfort Colors 1717 tee with the large Run Hot Stay Cool Heat Exchanger print: a cream shell-and-tube heat exchanger with orange tubes and a brass snaking flow path.
  • Front of a black Comfort Colors 1717 tee with a small heat exchanger cutaway on the left chest.
  • Close-up of the Run Hot Stay Cool Heat Exchanger artwork showing the tube bundle, baffles, nozzles and the counterflow temperature plot.
Run Hot Stay Cool Heat Exchanger T-Shirt, Thermal Engineer Tee, Funny Heat Transfer Engineering Gift

Run Hot Stay Cool Heat Exchanger T-Shirt, Thermal Engineer Tee, Funny Heat Transfer Engineering Gift

$29.99
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Color
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Hot stream in one end, cold stream in the other, and a lot of tubes in between doing the hard work quietly. A shell-and-tube counterflow heat exchanger cutaway with baffles, nozzles and a counterflow temperature profile, plus Q = UA·ΔT-lm and the overall chill coefficient.

What you get

  • Front: Left-chest shell-and-tube heat exchanger cutaway with orange tubes and brass shell-side flow, "Run Hot, Stay Cool"
  • Back: Large shell-and-tube heat exchanger cutaway (orange tubes, segmental baffles, brass shell-side flow path, hot and cold inlets and outlets), a counterflow temperature profile with ΔT1 and ΔT2, Q = U·A·ΔTlm and a drawing title block
  • Printed with premium DTF transfers and heat-pressed by hand in Charleston, SC

Choose your shirt

  • Comfort Colors 1717: heavyweight 6.1 oz garment-dyed cotton, relaxed fit (S–3XL)
  • Bella+Canvas 3001: lightweight 4.2 oz Airlume cotton, softer retail fit (S–3XL)

Colors may vary slightly by screen.

Care

Wash inside out in cold water, tumble dry low or hang dry, don't iron the print.

Production & disclosure

Designed by Elevated Designs LLC using digital design tools, with AI assistance. Printed and pressed to order in Charleston, SC.

Factor of Safety Co. · mechanical engineers — designed by Elevated Designs and printed to order in Charleston, SC.

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