Shopping DIY mini splits for 2026? MRCOOL’s 24 SEER2 tops Zone Air’s 23, but...

https://manuelsultimateop-eds.lucialpiazzale.com/zone-air-custom-line-sets-5-to-75-ft-is-one-continuous-run-better

Shopping DIY mini splits for 2026? MRCOOL’s 24 SEER2 tops Zone Air’s 23, but the real choice is value above -15°F or Zone Air Hyper Heat for reliable heating down to -22°F.