For 2026, MRCOOL’s 24 SEER2 and Zone Air’s 23 SEER2 make this a close DIY mini...

https://wiki-velo.win/index.php/Is_Coiling_Extra_Refrigerant_Line_Behind_the_Condenser_a_Bad_Idea%3F

For 2026, MRCOOL’s 24 SEER2 and Zone Air’s 23 SEER2 make this a close DIY mini split heat pump matchup. Choose value if winters stay above -15 F; pick Hyper Heat for heating down to -22 F. Climate makes the call.