Pros

•  No installation costs, quick and easy to setup and no ductwork needed, no building modifications or permits needed to setup
•  They are suitable in some situations where no other type of ac is an option
• Portable, convenient and versatile: can be used in various places like rooms, offices, server rooms, camper or tent (where there’s an outlet), poolside, garage, as a spot cooler and backup ac system. Great for renters / people who move a lot
• Efficient for cooling only certain rooms vs the whole house like central AC
• Some units can also serve as a standalone or all in one heater, dehumidifier, air purifier and fan
• Uses less window space than window ac
• Easy to move room to room, take on the go or store away
• Relatively inexpensive to maintain, mostly just requires to be kept internally clean for reliable service
• Can serve as a backup ac and can supplement central air conditioning

Cons

• Water drainage & exhaust tube required. Emptying water may be excessive on models required to be emptied manually
• Generally less efficient than a window AC and noisier due to entire unit being inside
• Not energy star certified like window ac’s
• Price can average $50-100 higher than equivalent capacity window ac
• Portability limited by exhaust tube length & where there’s a window and outlet
• Takes up floor space & might look somewhat makeshift
• Locking the window can be a security issue to deal with like with any window ac

After considering the advantages and disadvantages and having decided to make the rental you can book your rental now for the best portable air conditioner that is guaranteed to meet our needs. The main considerations are finding the right size and affordable unit that can do a reasonable job cooling and dehumidifying with minimal noise. And you probably want one that also looks decent and is easy enough to setup anywhere you may want to use it.