To determine the size of mini split you need, you should measure the square footage of the room you want to cool or heat. For a standard, square or rectangular shaped room, you can multiply the square footage by 25 to determine the BTU recommendation
. However, it is important to note that mini splits are not a one-size-fits- all solution, and it is recommended to consult with a professional to ensure proper sizing
. You can also use a mini split sizing calculator or a BTU sizing chart for mini split systems to get an idea of what size system you'll need before consulting with a professional
