I recently picked one of these up at my local Walmart to cover my small 10x11 bedroom. I was debating on getting this one or the next size up - 6,400btu. I didn't want to get something oversized. I made that mistake previously and the unit was constantly cycling and the room was very uncomfortable, not to mention the excess energy it was consuming. The larger GE A/C unit at Walmart looked like it had better air flow control, which was the only reason I was considering it. This one just has disc inside of it to control the air flow, not vents which can be directed up and down and side to side. They should have the top of the unit angled up, along with the vents, like other a/c units I've seen. That way the cold air blows up in the room and sinks down, and also gets it further away from the system's thermostat for more accurate temperature readings. Nevertheless I decided on this since I really didn't want to oversize the unit, and my options were limited locally.
After using it for a while, here's what I found. It makes these horrible metal and pinging tapping sounds. If you're the type who has trouble tuning out irritating sounds when sleeping or otherwise, this might not be the one for you. The fan is quiet, and having three fan speeds plus the ability to have it automatically control the fan speed is nice. In auto fan mode, the fan speed cycles down to low when the compressor is not running.
My second gripe with this, as with lots of former window a/c units, is that the thermostat is drastically off. I have two differet thermometers withing 5 feet of the unit. When the A/C says 68, both my other thermometers in the room show 74-75! They must've located the internal thermister was to close to the vents. What they should do is to have a plug in the side for an external thermostat so that you can place it near where you are in the room, so it's not measuring the temperature right next to where the vents on the system are, which of course, is going to be much colder than where you sit. They should just have an RF remote with a thermostat built into it so it will measure the temperature where the remote is!
I think perhaps I will try the alternative Frigidair 5,000 btu A/C that Walmart online seems to have online now and order it in. There were some complaints about noise with that in the reviews, but that may be subjective and they werent't very descriptive as to whether it was fan noise or otherwise. The Frigidaire comes with a much better remote that displays the temperature on the remote, so if you are near sighted and need to change the temperature at night, it's right there on the remote.
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