For 2026, MRCOOL’s 24 SEER2 efficiency edges Zone Air’s 23 SEER2. The real...

https://blast-wiki.win/index.php/What_Size_Mini_Split_for_a_Garage:_12k,_18k,_or_24k%3F

For 2026, MRCOOL’s 24 SEER2 efficiency edges Zone Air’s 23 SEER2. The real choice: better value in climates that stay above -15°F, or Zone Air Hyper Heat for dependable heating down to -22°F.