Shopping DIY mini splits in 2026? MRCOOL’s 24 SEER2 edges Zone Air’s 23 SEER2,...

https://telegra.ph/Can-a-Multi-Zone-DIY-System-Heat-and-Cool-a-Whole-House-10-15

Shopping DIY mini splits in 2026? MRCOOL’s 24 SEER2 edges Zone Air’s 23 SEER2, but the real choice is best value above -15°F or Hyper Heat performance down to -22°F. Choose for your winter lows, not just the efficiency rating.