Thinking about a DIY mini split install? Using pre-charged R-454B quick-connect...

https://www.bookmark-xray.win/thinking-about-a-diy-mini-split-install-pre-charged-r-454b-quick-connect

Thinking about a DIY mini split install? Using pre-charged R-454B quick-connect linesets means no vacuum pump or EPA Section 608 license needed. Pick from 115V plug-in models in 9K and 12K sizes. Most installs take 4-8 hours and start around $1,899