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PaperclipPerfector  6mo ago (text post)   2855 thread views

Friday Fun Thread for June 20, 2025

Be advised: this thread is not for serious in-depth discussion of weighty topics (we have a link for that), this thread is not for anything Culture War related. This thread is for Fun. You got jokes? Share 'em. You got silly questions? Ask 'em.

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The ideal temperature for human comfort is around 20C, which is why people set their thermostats around there. Anyone setting their thermostats to anything meaningfully distant from ~20C is doing it to save money. If you're outdoors, you maybe want a bit more if it's windy, or a bit less if it's sunny or you're doing a lot of physical activity, but you want the sum of all effects to average you back so your individual subjective feeling is around 20C.

Whatever combination of sunny/cloudy/rainy gets you closer to 20C is the ideal weather for your region.

The ideal temperature for human comfort is around 20 °C (68 °F), which is why people set their thermostats around there. Anyone setting his thermostat to anything meaningfully distant from ~20 °C is doing it to save money.

According to my copy of ACCA Manual J (Abridged Edition), which is used by professionals to design HVAC systems: The target values used in design are 70 °F (21 °C) at 30 percent humidity for heating in winter, and 75 °F (24 °C) at 50 percent humidity for cooling in summer. The heating target actually is at the very edge of the "envelope of comfort" (presumably for energy savings), while the cooling target is right in the middle of the envelope, so only the cooling target should be considered the ideal temperature.

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