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

https://fionafreshmaids.com/is-the-150-250-epa-608-certification-needed-for-diy-mini-splits/

Installing a mini split yourself is easier than you might think. Many DIY-friendly models come with a pre-charged quick-connect lineset up to 16 feet long, so you don’t need a vacuum pump or an EPA Section 608 license to get started