Mini Splits

Albott 12,000 BTU Mini Split

4.1$390–$430

The Albott 12,000 BTU mini split is a popular budget heat-and-cool unit for moderate climates. Here is what install and cold weather involve.

Rellytech 12,000 BTU 19 SEER2 Mini Split

4.2$330–$380

The Rellytech 12,000 BTU mini split has a low price and an 8-year warranty, but delivery and pro install add up. Here is the full picture.

COSTWAY 12,000 BTU Mini Split

4.2$470–$530

The COSTWAY 12,000 BTU mini split is a low-cost way to heat and cool one room. Here is what installation and cold weather mean for it.

DELLA Serena 12,000 BTU Mini Split

4.3$680–$760

The DELLA Serena is a 22 SEER2, ENERGY STAR mini split heat pump on 115V. Here is what installation, line sets and buying it involve.

Pioneer Diamante Pro 12,000 BTU Mini Split

4.3$850–$950

The Pioneer Diamante Pro is a 115V, 12,000 BTU mini split heat pump rated to heat down to -4°F. Here is what install and buying it involve.

Cooper & Hunter MIA 12,000 BTU Mini Split

4.3$720–$800

The Cooper & Hunter MIA is a 21.2 SEER2, ENERGY STAR mini split heat pump on 115V. Here is what installation and buying it on Amazon involve.

MRCOOL Easy Pro 12,000 BTU Mini Split

4.1$1,500–$1,650

The MRCOOL Easy Pro 12,000 BTU mini split uses R-454B refrigerant but still needs a vacuum pump to install. Here is who it suits.

MRCOOL DIY 4th Gen 12,000 BTU Mini Split

4.4$1,600–$1,800

The MRCOOL DIY 4th Gen is a 12,000 BTU mini split you can install yourself, thanks to pre-charged quick-connect lines. Here is what that involves.

Senville AURA 24,000 BTU Mini Split

4.4$1,700–$1,900

The Senville AURA 24,000 BTU mini split heats large spaces down to -22°F per the listing. Here is what install, power and delivery involve.

Senville LETO 12,000 BTU Mini Split

4.3$750–$850

The Senville LETO is a well-reviewed 12,000 BTU mini split heat pump for one room. Here is what install, cold weather and delivery involve.

Buying Guides 5

Mini Split vs Window Unit: Which Is Better for One Room?

How a ductless mini split compares with a window air conditioner or window heat pump on cost, efficiency, noise and installation.

Cold-Climate Mini Splits: How Cold Can They Heat?

Why mini split heating drops in cold weather, how to read low-temperature ratings, and when you need backup heat.

SEER2 and HSPF2 Explained: How to Compare Mini Split Efficiency

What SEER2 and HSPF2 ratings mean, why they look lower than old SEER numbers, and how to use them when choosing a mini split.

Mini Split Sizing: How Many BTUs Do You Need per Room?

A simple starting point for sizing a mini split by room size, plus the things that push you up or down a size.

Can You Install a Mini Split Yourself? DIY vs Pro Install

What a mini split installation involves, which models are truly DIY, and when you need an HVAC technician.