The installation was strategic. Be aware of the location of your portable AC. Is that correct? The amount of space between the walls. Is that correct? There is a lack of Ventilation. The exhaust hose needs to be straight. Don't forget to clean and replace the filter. It's important to keep it clean. When not in use, store it correctly. The requirements for electrical work.
Let's Get It Fixed!
HomeX virtual experts will assess your issue (for free!) and can resolve simple problems.