Looking to install your own mini split? DIY systems with pre-charged R-454B...

https://list-wiki.win/index.php/What_is_SEER2_and_Is_24_SEER2_Actually_a_Big_Deal%3F

Looking to install your own mini split? DIY systems with pre-charged R-454B quick-connect linesets make it simple—no vacuum pump or EPA Section 608 license needed