In 2026, DIY cold-climate mini splits offer solid efficiency with models...

https://lilysuniquethoughtss.urbanvellum.com/posts/pioneer-quantum-ultra-23-seer2-why-people-still-pick-hyper-heat-models-for-cold-climate-heating

In 2026, DIY cold-climate mini splits offer solid efficiency with models hitting up to 24 SEER2 and reliable heating down to -22°F. They support line sets between 8 and 75 feet, giving flexible placement