Comparing DIY mini splits for 2026? Look beyond SEER2: line-set length,...

https://wakelet.com/wake/GSU61mbicfoKpksyVEXgh

Comparing DIY mini splits for 2026? Look beyond SEER2: line-set length, cold-weather heating, and install steps matter once you live with the unit. We compare 24 SEER2, 8-75 ft line sets, and -22 F ratings alongside upkeep and everyday comfort.