Installing a mini split yourself is easier than you might think. Many systems...

https://sophiasparklemaids.com/what-does-torque-to-spec-mean-on-mini-split-quick-connect-fittings/

Installing a mini split yourself is easier than you might think. Many systems come with a pre-charged quick-connect lineset up to 16 feet, so there’s no need for a vacuum pump or special EPA Section 608 license