I purchased this portable AC unit, my first, to cool my bedroom only. The main unit on the roof is not cooling as well as it used to. It is advertised as quiet running, afraid not! The fan is nosier than I thought it would be but my dog and I are getting used to it. Also the difference in speed from hi to low fan is practically zero. It is also advertised as self evaporating and not requiring a bucket to empty. It does not have a removable bucket but does have a drain plug in the back for when it does get full on hi humidity days. If it fills the compressor will shut down and a code P2 will appear on the screen. So far even though we are in our so called monsoon here in Phoenix there has not been much water collecting to empty. The water that does is used to help cool the compressor. When the compressor kicks on and off there is a good size thump sound that sometimes startles my dog. The unit fan puts out a lot of air and is the main source of noise. The louvers to direct the air are adjustable up and down. It also has four castor wheels for easy moving around though I do not plan on doing that. Be aware that the exhaust hose has a plastic adapter on both ends to connect to the window panel and the unit exhaust port. This hose is 6 inches in diameter and is expandable like an accordion to over 50 inches. The window adapter worked fine on my horizontal sliding window except for the top 9 inches that required a piece of cardboard. It does not do as good a job of removing humidity as the main AC but when I open the bedroom door to the hallway it feels better. So for the refurbished price,$240, plus a 2 year extended warranty,$22,I think I got a good deal.
This has proven to be a good little unit for use in our pop-up camper and as a dehumidifier in the basement. I'd have to say that the cooling capacity is good for small spaces, less than 150 square feet. Any larger and this will likely not work well. I've used it in air conditioning, auto and dehumidifier modes. With experimentation, all have worked well. In Auto mode, when the temperatures fall the fan will run or it switches to heat mode to maintain the thermostat setting you select on the unit. The instructions really need improvement to fully understand the drainage connections needed for each mode. I'm still trying to understand why there are three water drain ports on the back of the unit. Under air conditioning mode, I only hook a line up to the upper port and it does very well. I've drained very little water from the lowest port and none from the middle.
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