In 2026, the best DIY cold-climate mini splits deliver up to 24 SEER2...

https://lilyluxemaids.com/cheapest-mini-split-is-650-why-not-just-buy-that/

In 2026, the best DIY cold-climate mini splits deliver up to 24 SEER2 efficiency and heat down to -22°F, keeping your home cozy year-round. Expect to save $1,500 to $3,000 on professional installation by handling the setup yourself