My Amcor portable ac died 2 weeks ago, so I ordered this one after reading reviews on many different brands. This was the best priced for the features & I had owned a Haier window ac that I absolutely LOVED. We have been having a cool snap of weather so, I haven't been able to fully test it. The installation was easy since I already had a board cut the size of my window- it's a casement window & the kit supplied won't work in casement windows. I panicked when I first plugged it in and there was nothing lighting up,-after 3 pushes on the reset button on the cord, finally a pretty blue light came on indicating it had electricity- a good start, I pressed cool & freezing cold air came out right away. I haven't had any days over 75 degrees yet, so-I'm hoping it works as well as the one I bought it to replace. My amcor, cooled 3 HUGE connected rooms- living room 17x15 dinning room 15x15 & kitchen 12x10, 2 of which have a huge cathedral cieling! One plus I noticed right away- It is TWICE as quiet as my Amcor was.