MRCOOL Lineset for DIY 5th Gen Mini Split Systems - R-454B

Very good

Certainly the pre-charged lineset takes a lot of the guesswork out of the installation. I chose to torque my connections, and yes you can use an automotive Torque wrench. You have to weld an old socket on the end of an open ended wrench and keep the modified wrench at 90 degrees to your torque wrench handle, then set 35 ftlbs on the torque wrench and 20 for the small connection. made a custom rack to run my linesets on as shown in the photo.

Cool room

The Chill Mini Splits has been a game changer in my enclosed porch. It cools quickly and quietly. I love that it is in the ceiling and blends in perfectly.

Great solution instead of running HVAC through entire house

Install was pretty simple. These have been working great and it’s so quiet compared to normal HVAC. We love them!!