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What household item do you wish there was a trial/testing period for? (lemmy.ml)

submitted 1 month ago by [email protected] to c/[email protected]

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I know some companies offer 90-day returns etc, but what item would you think everyone would benefit from if it was an industry standard to have a test drive like new cars?

My nitpick would be microwaves. I have tried picking out what I thought was decent microwaves in the past but it's hard to know exactly how it functions without using it. For instance, my microwave has an express button (30 seconds) or a minute plus button. You can only use one of them, if you've hit the minute button the express button doesn't let you add 30 seconds while it's active and vice versa. Also the beeping, even if you hit the stop button and open the door when it gets to 0 seconds, it still goes through it's "I'm done" beeping which is loud and repetitive making you stop it at 1 second and still having to click cancel which makes noise. So what's your choice?

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[–] [email protected] 7 points 1 month ago* (last edited 1 month ago)

You just said that AC can't make an indoor space cooler than the temperature outside. This is completely wrong and easily disprovable by simply asking anyone who lives in a hot region. The air conditioned indoors is always MUCH cooler than temperature outside.

Like, how do you think freezers work? The temperature inside the freezer stays below freezing while the ambient room temperature is 80 F.

AC is an ACTIVE heat pump. It can push heat out to where it's already hotter, because it's using energy to do it. What you're describing is a passive cooling system, but air conditioners are active systems that use energy to push heat against the gradient. It's like how a passive water pipe can only have water flow down from it's highest point, but a powered water pump can actively move water upward to a point above where it started.