2026 DIY mini split matchup: MRCOOL brings 24 SEER2; Zone Air, 23 SEER2. Choose...
https://trevorscoolthoughts.cavandoragh.org/how-much-can-i-save-by-diy-installing-instead-of-paying-an-hvac-contractor
2026 DIY mini split matchup: MRCOOL brings 24 SEER2; Zone Air, 23 SEER2. Choose the best value if winters stay above -15°F, or Zone Air Hyper Heat for heating down to -22°F. Let your local winter lows—not a tiny efficiency edge—make the call for your home