Eli5, Why the lowest (coldest) an Air Conditioner is able to set to, is 16 celcius?

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As the title says, why is that the case? (16 Celsius ~ 60 Fahrenheit)

I’ve read somewhere, that 16c is suppose to be the most efficient / comfortable?

Prob need an AC techie here, but I’ve experienced being in my car during summer & have to hit the “max” button on those really hot days, & it automatically goes straight to high fan setting + 16 celcius.

How come it doesn’t go futher? Like 12 or 10 Celsius?

& I’ve also experienced my home AC, where I’ve set it to 23 celcius, but a larger horsepower (4 or 5hp) & it’s freezing!

Thanks, for the insight 😊

In: Engineering

6 Answers

Anonymous 0 Comments

Lower than 16°C air can have negative health impacts and is quite uncomfortable for almost everyone.

The temperature you set it at has almost no bearing on the rate at which its able to work, as an aircon has a BTU/hr rate which is how much heat it can reject per hour.

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