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

https://zulu-wiki.win/index.php/Zone_Air_12k_230V_Specs_and_What_to_Ask_Before_Checkout

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