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Every Master Mini Splits guide in one place, grouped by topic.

Mini Split Basics

How a ductless mini split works, what size to buy, what it costs to run, how loud it is and the pros and cons.

Picks by Size & Room

Roundups by BTU size and by room, from small bedrooms and basements to 18,000 and 24,000 BTU units and multi-zone systems.

Brands & Model Reviews

Which mini split brands are worth a look, and single-model reviews of popular 12,000 BTU units.

Side-by-Side Comparisons

Mini splits against other ways to heat and cool, and brand against brand.

Install Costs & Accessories

What changes an installation bill, plus line set covers, brackets, pads, controllers and cleaning kits.

About Master Mini Splits