A Homeowner's Guide to Ductless Mini-Split Installation
https://www.livebinders.com/b/3712657?tabid=83bedb15-64aa-013e-32c0-128a7f7704c9
If you've ever tried to cool a room that doesn't connect to your home's duct system — a finished basement, a converted attic, an addition built after the original HVAC was installed — you already know the problem