Home Hotels The Simplest Hack Ever For A Hotel Air Conditioner

The Simplest Hack Ever For A Hotel Air Conditioner

by SharonKurheg

Last summer, Joe and I stayed at one of our favorite hotels in New Braunfels, Texas – it’s just a simple Candlewood Suites but a woman named Tasha works there and she’s just THE BEST. Anyway, when we got to our room, it was HOT. The under-the-window Amana unit was there (but not running), and the thermostat was set to 70 degrees F, but the room was nowhere NEAR that.


So I looked at the window unit and this is what I found:


“Your suite is equipped with an energy-savings system. It knows when you have left your room and when you return. Please allow 15 minutes for the temperature to return to your desired settings”

I didn’t remember if those rooms always had motion sensors or not, but they apparently did now. Awesomesauce.

So before I went out to buy a mylar balloon, hand warmers, etc. somewhere, I did what any travel blogger worth her weight in gold did – I brought up my article about how to override hotel thermostat settings. And lo and behold, there was no “Amana under-the-window units with a wall thermostat” on my list.


SO…I started Googling. And YouTubing. And NO ONE had the hack for an Amana under-the-window unit with a wall thermostat so that the motion sensor wouldn’t come into play.

Well, crap!

SOOO…I went to the under-the-window unit and flipped the little door up to see what my options were.


Unit set to Cool, 70 degrees and Fan Speed was on “Auto.” OK, all good. But Constant Fan was…off?

SOOO…I hit the buttons to turn Fan Speed to “Low” (I could have put it on “High,” too) and Constant Fan to “on.”


You know what? The air conditioner never turned off again the whole time we were there.

Problem solved.

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02nz April 4, 2020 - 6:30 pm

I hate these things. They are SO LOUD. Only hotels in the U.S. seem to have them. Sometimes I can’t sleep at all because of the noise. Always so happy to see regular, non-deafening HVAC in hotels outside the U.S.

Justin Ames April 4, 2020 - 10:00 pm

I hate to tell you this, but fan control only affects the blower motor, compressor will still only cycle with temperature and motion sensor.

Also, there are good reasons to avoid having a blower fan on constantly. For one, constant noise all the time. The main reason though is humidity and smell. While the compressor is running it keeps the indoor coil cold and removing moisture from the air (and the moisture on the coil helps catch carpet smells). With the fan on constant, when the compressor shuts off, the fan starts to put that humidity back into the room, as well as all the smells that had previously been trapped.

Jack February 21, 2022 - 6:29 pm

So, how do you overide the machine so it works the way a guest wants it to work

hifoti April 4, 2020 - 10:21 pm

That setting only runs the fan constantly, not the compressor. So while yes, you get the air circulating constantly with the constant fan setting on, it does not guarantee that the air coming out is any cooler than when it went in.

swoopest April 5, 2020 - 9:50 am

The little rectangular window above the word Amana on the wall thermostat is the motion sensor.

Larry W Loffer February 23, 2022 - 2:49 pm

Thermostat would have had to be disconnected for the compressor & or fan to run by the control board panel in unit.

Matt Jones February 24, 2022 - 4:15 pm

Well that’s not a hack at all. That only runs the fan. A real hack would fake out the motion sensors into thinking someone is always in the room moving around. I can think of a couple ways to do this but it would require being prepared a head of time. Tie a cheap balloon with helium in it to a chair close to the window unit. The will move around from the breeze blowing from the ac unit. But again you would need to come prepared a head of time. I’m sure some smart people will have some better ideas.

SharonKurheg February 24, 2022 - 5:29 pm

Yup…we’ve posted a whole article about different ways to fake them out 😉


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