Fuck those A/C units that require leaving a card in them to work
this post was submitted on 15 May 2025
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I haven't seen that but I believe you. Can you not just get an extra card from the front desk, or do they have it further enshittified in some way?
I've been in hotels where it's just detecting that the slot is filled the card doesn't matter. So you just use the cardboard sleeve the card came in.
Also been in newer ones that have RFID cards though that are harder but not impossible to spoof
Oh really? I can't say I've come across the RFID style—basically every hotel I've stayed in over the past few years still happily takes my supermarket loyalty card in the power switch thing
How do you go about the spoofing of those and is it anything simpler than just creating a duplicate card?
Yeah you'd need cheap RFID blanks and a reader/writer. I do it with my phone easily enough. Just read the hotel card, copy, write to new card
Eh, if you're leaving your ac on all day when you're out, that's quite a waste. Card operation helps avoid accidentally leaving ac and lights on.
Is it more efficient to cycle the room temperature though? I've heard it's better to get a room to temp and the machine can work less to maintain it. But maybe that's old advice..
That is old advice. AC works pretty fast, especially in a small hotel room. If you have floor heating/cooling and a heat pump then it would make sense to leave it on all day.
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(4 replies)
Exactly. It’s an energy conservation measure
it really depends on for how long people leave and come back.
Any card works though, you can probably buy blank ones for this purpose.
A library/gym membership card or supermarket points card will work nicely. I’ve yet to find a hotel that takes electricity conservation so seriously to install card switches with RFID readers.
I haven't gone on a vaction where I needed a hotel in a LONG time, but yes. the Ac units in every hotel room I've ever been in are pretty baws
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(8 replies)
Second time I've seen this meme... Never experienced it. They always sucked compared to even cheap window units. Half the time barely able to push below 22*. Granted I spent a lot of time as a kid on summer break locked up in a room with an 80s high end window unit that could get the room to 10* on a 25+* day.
I think it’s down to lack of maintenance. Either there’s a refrigerant leak, or the condenser side is clogged. Most budget hotels don’t have the best maintenance.
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(2 replies)
Amana Distinction PTAC Air Conditioner or something like it