For 2026, compare DIY mini splits by more than SEER2: check line-set length,...

https://stephensimpressivejournals.tearosediner.net/pioneer-mini-split-in-cold-weather-is-it-a-bad-idea

For 2026, compare DIY mini splits by more than SEER2: check line-set length, cold-weather rating, warranty, and parts access. A 24 SEER2 unit with an 8-75 ft line set may fit one room, but total cost and long-term serviceability matter too.