Buying Guides

Last reviewed: November 11, 2026 · Reviewed by the Mercorp HVAC editorial team Short answer: if you will run your mini split for several hours a day, choose an inverter model. It uses less energy for the same cooling, holds a steadier temperature and runs quieter. A non-inverter unit only makes sense for a space … Read more

Last reviewed: November 11, 2026 · Reviewed by the Mercorp HVAC editorial team For a room with standard 8-foot ceilings and average insulation, Carrier’s sizing chart puts a 12,000 BTU (1-ton) mini split at roughly 250 to 450 square feet. Square footage is only the starting point, though: sun exposure, the number of people, a … Read more