brutal subtweet
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[spoilers] Set points on the thermostat determine how long the air runs. How fast the room cools is dependent on airflow, which the thermostat doesn't control via set point (if it controls it at all)
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depends how well-distributed the sensors and ventilation paths are *someplace* will hit 68 at the same time, but that place might not be your writing desk under a sun-facing window
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Setting the thermostat to 68° will drive the temperature to, say, 70°, and it might never hit 68° if it doesn’t overshoot by 2°.
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Never mind, I think I misunderstand bang-bang controllers and should just accept that HVAC is controlled by machine demons.
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You are testing two understandings at once: - does the AC put out more cool when temp diff is large (probably not). - is thermostat temp on AC really equal to room temp right when thermostat temp hits 68F? Most certainly not. Room has a temperature distribution.
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where is the thermostat relative to AC? the answer to the question (I think) you mean to ask is "no". but in not-optimally-set-up(read, most) cases, the correct answer is yes.
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Or that.
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