https://slavyanski.net/sb2020/story.php?title=window-air-conditioning-not-cooling-properly It won't be so loud you can't hear yourself think. All ac units' even portable ones use water to cool the air in a space. It will not require too much electricity and has also the efficiency to cool the space of considerably as 400 square.ft. You should also take in mind if well-built your portable AC for cooling and high heat. Tue, 09 Aug 2022 20:31:46 UTC en