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3 Zone Mini Split

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MRCOOL DIY-MULTI6-55HP230D-O DIY-06-HP-WMAH-230D25-O DIY-18-HP-WMAH-230D25-O DIY-36-HP-WMAH-230D25-O

MRCOOL 55K BTU 22 SEER2 Wall Mounted Mini Split System DIY 5th Gen 3-Zone 6+18+36

SKU: DIY-MULTI6-55HP230D-O / DIY-06-HP-WMAH-230D25-O / DIY-18-HP-WMAH-230D25-O / DIY-36-HP-WMAH-230D25-O
Product ID: 109561
$6,478.00 - $6,478.00
$6,478.00
$6,478.00 - $6,478.00
$6,478.00

Product Details MRCOOL 55K BTU Mini Split Heat Pump Condenser DIY 5th Gen 6 Zone R454B 230V DIY-MULTI6-55HP230D-O The MRCOOL DIY 5th Generation 5...

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MRCOOL DIY-MULTI5-36HP230D-O DIYCASSETTE06HP-230D25-O DIYCASSETTE12HP-230D25-O DIYCASSETTE18HP-230D25-O

MRCOOL 36K BTU 23 SEER2 Ceiling Cassette Mini Split System DIY 5th Gen 3-Zone 6+12+18

SKU: DIY-MULTI5-36HP230D-O / DIYCASSETTE06HP-230D25-O / DIYCASSETTE12HP-230D25-O / DIYCASSETTE18HP-230D25-O
Product ID: 108981
$6,716.00 - $6,716.00
$6,716.00
$6,716.00 - $6,716.00
$6,716.00

Product Details MRCOOL 36K BTU Mini Split Heat Pump Condenser DIY 5th Gen 5 Zone R454B 230V DIY-MULTI5-36HP230D-O The MRCOOL DIY 5th Generation 3...

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MRCOOL DIY-MULTI5-36HP230D-O DIYCASSETTE06HP-230D25-O DIYCASSETTE09HP-230D25-O DIYCASSETTE18HP-230D25-O

MRCOOL 36K BTU 23 SEER2 Ceiling Cassette Mini Split System DIY 5th Gen 3-Zone 6+9+18

SKU: DIY-MULTI5-36HP230D-O / DIYCASSETTE06HP-230D25-O / DIYCASSETTE09HP-230D25-O / DIYCASSETTE18HP-230D25-O
Product ID: 108980
$6,705.00 - $6,705.00
$6,705.00
$6,705.00 - $6,705.00
$6,705.00

Product Details MRCOOL 36K BTU Mini Split Heat Pump Condenser DIY 5th Gen 5 Zone R454B 230V DIY-MULTI5-36HP230D-O The MRCOOL DIY 5th Generation 3...

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MRCOOL DIY-MULTI5-36HP230D-O DIYCASSETTE06HP-230D25-O DIYCASSETTE09HP-230D25-O DIYCASSETTE12HP-230D25-O

MRCOOL 36K BTU 23 SEER2 Ceiling Cassette Mini Split System DIY 5th Gen 3-Zone 6+9+12

SKU: DIY-MULTI5-36HP230D-O / DIYCASSETTE06HP-230D25-O / DIYCASSETTE09HP-230D25-O / DIYCASSETTE12HP-230D25-O
Product ID: 108978
$6,686.00 - $6,686.00
$6,686.00
$6,686.00 - $6,686.00
$6,686.00

Product Details MRCOOL 36K BTU Mini Split Heat Pump Condenser DIY 5th Gen 5 Zone R454B 230V DIY-MULTI5-36HP230D-O The MRCOOL DIY 5th Generation 3...

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MRCOOL DIY-MULTI5-36HP230D-O 3-DIYCASSETTE12HP-230D25-O

MRCOOL 36K BTU 23 SEER2 Ceiling Cassette Mini Split System DIY 5th Gen 3-Zone 12+12+12

SKU: DIY-MULTI5-36HP230D-O / 3-DIYCASSETTE12HP-230D25-O
Product ID: 108915
$6,806.00 - $6,806.00
$6,806.00
$6,806.00 - $6,806.00
$6,806.00

Product Details MRCOOL 36K BTU Mini Split Heat Pump Condenser DIY 5th Gen 5 Zone R454B 230V DIY-MULTI5-36HP230D-O The MRCOOL DIY 5th Generation 3...

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MRCOOL DIY-MULTI5-36HP230D-O 3-DIYCASSETTE09HP-230D25-O

MRCOOL 36K BTU 23 SEER2 Ceiling Cassette Mini Split System DIY 5th Gen 3-Zone 9+9+9

SKU: DIY-MULTI5-36HP230D-O / 3-DIYCASSETTE09HP-230D25-O
Product ID: 108913
$6,773.00 - $6,773.00
$6,773.00
$6,773.00 - $6,773.00
$6,773.00

Product Details MRCOOL 36K BTU Mini Split Heat Pump Condenser DIY 5th Gen 5 Zone R454B 230V DIY-MULTI5-36HP230D-O The MRCOOL DIY 5th Generation 3...

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MRCOOL DIY-MULTI5-36HP230D-O 2-DIYCASSETTE09HP-230D25-O DIYCASSETTE18HP-230D25-O

MRCOOL 36K BTU 23 SEER2 Ceiling Cassette Mini Split System DIY 5th Gen 3-Zone 9+9+18

SKU: DIY-MULTI5-36HP230D-O / 2-DIYCASSETTE09HP-230D25-O / DIYCASSETTE18HP-230D25-O
Product ID: 108890
$6,803.00 - $6,803.00
$6,803.00
$6,803.00 - $6,803.00
$6,803.00

Product Details MRCOOL 36K BTU Mini Split Heat Pump Condenser DIY 5th Gen 5 Zone R454B 230V DIY-MULTI5-36HP230D-O The MRCOOL DIY 5th Generation 3...

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MRCOOL DIY-MULTI5-36HP230D-O 2-DIYCASSETTE09HP-230D25-O DIYCASSETTE12HP-230D25-O

MRCOOL 36K BTU 23 SEER2 Ceiling Cassette Mini Split System DIY 5th Gen 3-Zone 9+9+12

SKU: DIY-MULTI5-36HP230D-O / 2-DIYCASSETTE09HP-230D25-O / DIYCASSETTE12HP-230D25-O
Product ID: 108888
$6,784.00 - $6,784.00
$6,784.00
$6,784.00 - $6,784.00
$6,784.00

Product Details MRCOOL 36K BTU Mini Split Heat Pump Condenser DIY 5th Gen 5 Zone R454B 230V DIY-MULTI5-36HP230D-O The MRCOOL DIY 5th Generation 3...

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MRCOOL DIY-MULTI5-36HP230D-O DIYCASSETTE09HP-230D25-O 2-DIYCASSETTE12HP-230D25-O

MRCOOL 36K BTU 23 SEER2 Ceiling Cassette Mini Split System DIY 5th Gen 3-Zone 9+12+12

SKU: DIY-MULTI5-36HP230D-O / DIYCASSETTE09HP-230D25-O / 2-DIYCASSETTE12HP-230D25-O
Product ID: 108983
$6,795.00 - $6,795.00
$6,795.00
$6,795.00 - $6,795.00
$6,795.00

Product Details MRCOOL 36K BTU Mini Split Heat Pump Condenser DIY 5th Gen 5 Zone R454B 230V DIY-MULTI5-36HP230D-O The MRCOOL DIY 5th Generation 3...

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MRCOOL DIY-MULTI5-36HP230D-O 3-DIYCASSETTE06HP-230D25-O

MRCOOL 36K BTU 23 SEER2 Ceiling Cassette Mini Split System DIY 5th Gen 3-Zone 6+12+12

SKU: DIY-MULTI5-36HP230D-O / 3-DIYCASSETTE06HP-230D25-O
Product ID: 108906
$6,479.00 - $6,479.00
$6,479.00
$6,479.00 - $6,479.00
$6,479.00

Product Details MRCOOL 36K BTU Mini Split Heat Pump Condenser DIY 5th Gen 5 Zone R454B 230V DIY-MULTI5-36HP230D-O The MRCOOL DIY 5th Generation 3...

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MRCOOL DIY-MULTI5-36HP230D-O 2-DIYCASSETTE06HP-230D25-O DIYCASSETTE18HP-230D25-O

MRCOOL 36K BTU 23 SEER2 Ceiling Cassette Mini Split System DIY 5th Gen 3-Zone 6+6+18

SKU: DIY-MULTI5-36HP230D-O / 2-DIYCASSETTE06HP-230D25-O / DIYCASSETTE18HP-230D25-O
Product ID: 108885
$6,607.00 - $6,607.00
$6,607.00
$6,607.00 - $6,607.00
$6,607.00

Product Details MRCOOL 36K BTU Mini Split Heat Pump Condenser DIY 5th Gen 5 Zone R454B 230V DIY-MULTI5-36HP230D-O The MRCOOL DIY 5th Generation 3...

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MRCOOL DIY-MULTI5-36HP230D-O 2-DIYCASSETTE06HP-230D25-O DIYCASSETTE12HP-230D25-O

MRCOOL 36K BTU 23 SEER2 Ceiling Cassette Mini Split System DIY 5th Gen 3-Zone 6+6+12

SKU: DIY-MULTI5-36HP230D-O / 2-DIYCASSETTE06HP-230D25-O / DIYCASSETTE12HP-230D25-O
Product ID: 108883
$6,588.00 - $6,588.00
$6,588.00
$6,588.00 - $6,588.00
$6,588.00

Product Details MRCOOL 36K BTU Mini Split Heat Pump Condenser DIY 5th Gen 5 Zone R454B 230V DIY-MULTI5-36HP230D-O The MRCOOL DIY 5th Generation 3...

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MRCOOL DIY-MULTI5-36HP230D-O 2-DIYCASSETTE06HP-230D25-O DIYCASSETTE09HP-230D25-O

MRCOOL 36K BTU 23 SEER2 Ceiling Cassette Mini Split System DIY 5th Gen 3-Zone 6+6+9

SKU: DIY-MULTI5-36HP230D-O / 2-DIYCASSETTE06HP-230D25-O / DIYCASSETTE09HP-230D25-O
Product ID: 108880
$6,577.00 - $6,577.00
$6,577.00
$6,577.00 - $6,577.00
$6,577.00

Product Details MRCOOL 36K BTU Mini Split Heat Pump Condenser DIY 5th Gen 5 Zone R454B 230V DIY-MULTI5-36HP230D-O The MRCOOL DIY 5th Generation 3...

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MRCOOL DIY-MULTI5-36HP230D-O DIYCASSETTE06HP-230D25-O 2-DIYCASSETTE18HP-230D25-O

MRCOOL 36K BTU 23 SEER2 Ceiling Cassette Mini Split System DIY 5th Gen 3-Zone 6+18+18

SKU: DIY-MULTI5-36HP230D-O / DIYCASSETTE06HP-230D25-O / 2-DIYCASSETTE18HP-230D25-O
Product ID: 108971
$6,735.00 - $6,735.00
$6,735.00
$6,735.00 - $6,735.00
$6,735.00

Product Details MRCOOL 36K BTU Mini Split Heat Pump Condenser DIY 5th Gen 5 Zone R454B 230V DIY-MULTI5-36HP230D-O The MRCOOL DIY 5th Generation 3...

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MRCOOL DIY-MULTI5-36HP230D-O DIYCASSETTE06HP-230D25-O 2-DIYCASSETTE09HP-230D25-O

MRCOOL 36K BTU 23 SEER2 Ceiling Cassette Mini Split System DIY 5th Gen 3-Zone 6+9+9

SKU: DIY-MULTI5-36HP230D-O / DIYCASSETTE06HP-230D25-O / 2-DIYCASSETTE09HP-230D25-O
Product ID: 108966
$6,675.00 - $6,675.00
$6,675.00
$6,675.00 - $6,675.00
$6,675.00

Product Details MRCOOL 36K BTU Mini Split Heat Pump Condenser DIY 5th Gen 5 Zone R454B 230V DIY-MULTI5-36HP230D-O The MRCOOL DIY 5th Generation 3...

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MRCOOL DIY-MULTI5-36HP230D-O DIYCASSETTE06HP-230D25-O 2-DIYCASSETTE12HP-230D25-O

MRCOOL 36K BTU 23 SEER2 Ceiling Cassette Mini Split System DIY 5th Gen 3-Zone 6+12+12

SKU: DIY-MULTI5-36HP230D-O / DIYCASSETTE06HP-230D25-O / 2-DIYCASSETTE12HP-230D25-O
Product ID: 108969
$6,697.00 - $6,697.00
$6,697.00
$6,697.00 - $6,697.00
$6,697.00

Product Details MRCOOL 36K BTU Mini Split Heat Pump Condenser DIY 5th Gen 5 Zone R454B 230V DIY-MULTI5-36HP230D-O The MRCOOL DIY 5th Generation 3...

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MRCOOL DIY-MULTI4-27HP230D-O 2-DIYCASSETTE09HP-230D25-O DIYCASSETTE18HP-230D25-O

MRCOOL 27K BTU 23 SEER2 Ceiling Cassette Mini Split System DIY 5th Gen 3-Zone 9+9+18

SKU: DIY-MULTI4-27HP230D-O / 2-DIYCASSETTE09HP-230D25-O / DIYCASSETTE18HP-230D25-O
Product ID: 108804
$6,360.00 - $6,360.00
$6,360.00
$6,360.00 - $6,360.00
$6,360.00

Product Details MRCOOL 27K BTU Mini Split Heat Pump Condenser DIY 5th Gen 4 Zone R454B DIY-MULTI4-27HP230D-O The MRCOOL DIY 5th Generation 27,000 ...

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MRCOOL DIY-MULTI4-27HP230D-O DIYCASSETTE09HP-230D25-O 2-DIYCASSETTE12HP-230D25-O

MRCOOL 27K BTU 23 SEER2 Ceiling Cassette Mini Split System DIY 5th Gen 3-Zone 9+12+12

SKU: DIY-MULTI4-27HP230D-O / DIYCASSETTE09HP-230D25-O / 2-DIYCASSETTE12HP-230D25-O
Product ID: 108845
$6,352.00 - $6,352.00
$6,352.00
$6,352.00 - $6,352.00
$6,352.00

Product Details MRCOOL 27K BTU Mini Split Heat Pump Condenser DIY 5th Gen 4 Zone R454B DIY-MULTI4-27HP230D-O The MRCOOL DIY 5th Generation 27,000 ...

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MRCOOL DIY-MULTI6-55HP230D-O DIYCASSETTE06HP-230D25-O DIYCASSETTE12HP-230D25-O DIYCASSETTE18HP-230D25-O

MRCOOL 55K BTU 22 SEER2 Ceiling Cassette Mini Split System DIY 5th Gen 3-Zone 6+12+18

SKU: DIY-MULTI6-55HP230D-O / DIYCASSETTE06HP-230D25-O / DIYCASSETTE12HP-230D25-O / DIYCASSETTE18HP-230D25-O
Product ID: 109621
$7,982.00 - $7,982.00
$7,982.00
$7,982.00 - $7,982.00
$7,982.00

Product Details MRCOOL 55K BTU Mini Split Heat Pump Condenser DIY 5th Gen 6 Zone R454B 230V DIY-MULTI6-55HP230D-O The MRCOOL DIY 5th Generation 55...

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MRCOOL DIY-MULTI6-55HP230D-O DIYCASSETTE06HP-230D25-O DIYCASSETTE09HP-230D25-O DIYCASSETTE18HP-230D25-O

MRCOOL 55K BTU 22 SEER2 Ceiling Cassette Mini Split System DIY 5th Gen 3-Zone 6+9+18

SKU: DIY-MULTI6-55HP230D-O / DIYCASSETTE06HP-230D25-O / DIYCASSETTE09HP-230D25-O / DIYCASSETTE18HP-230D25-O
Product ID: 109618
$7,971.00 - $7,971.00
$7,971.00
$7,971.00 - $7,971.00
$7,971.00

Product Details MRCOOL 55K BTU Mini Split Heat Pump Condenser DIY 5th Gen 6 Zone R454B 230V DIY-MULTI6-55HP230D-O The MRCOOL DIY 5th Generation 55...

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MRCOOL DIY-MULTI6-55HP230D-O DIYCASSETTE06HP-230D25-O DIYCASSETTE09HP-230D25-O DIYCASSETTE12HP-230D25-O

MRCOOL 55K BTU 22 SEER2 Ceiling Cassette Mini Split System DIY 5th Gen 3-Zone 6+9+12

SKU: DIY-MULTI6-55HP230D-O / DIYCASSETTE06HP-230D25-O / DIYCASSETTE09HP-230D25-O / DIYCASSETTE12HP-230D25-O
Product ID: 109616
$7,952.00 - $7,952.00
$7,952.00
$7,952.00 - $7,952.00
$7,952.00

Product Details MRCOOL 55K BTU Mini Split Heat Pump Condenser DIY 5th Gen 6 Zone R454B 230V DIY-MULTI6-55HP230D-O The MRCOOL DIY 5th Generation 55...

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MRCOOL DIY-MULTI6-55HP230D-O 3-DIYCASSETTE12HP-230D25-O

MRCOOL 55K BTU 22 SEER2 Ceiling Cassette Mini Split System DIY 5th Gen 3-Zone 12+12+12

SKU: DIY-MULTI6-55HP230D-O / 3-DIYCASSETTE12HP-230D25-O
Product ID: 109448
$8,072.00 - $8,072.00
$8,072.00
$8,072.00 - $8,072.00
$8,072.00

Product Details MRCOOL 55K BTU Mini Split Heat Pump Condenser DIY 5th Gen 6 Zone R454B 230V DIY-MULTI6-55HP230D-O The MRCOOL DIY 5th Generation 55...

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MRCOOL DIY-MULTI6-55HP230D-O 3-DIYCASSETTE09HP-230D25-O

MRCOOL 55K BTU 22 SEER2 Ceiling Cassette Mini Split System DIY 5th Gen 3-Zone 9+9+9

SKU: DIY-MULTI6-55HP230D-O / 3-DIYCASSETTE09HP-230D25-O
Product ID: 109440
$8,039.00 - $8,039.00
$8,039.00
$8,039.00 - $8,039.00
$8,039.00

Product Details MRCOOL 55K BTU Mini Split Heat Pump Condenser DIY 5th Gen 6 Zone R454B 230V DIY-MULTI6-55HP230D-O The MRCOOL DIY 5th Generation 55...

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MRCOOL DIY-MULTI6-55HP230D-O 2-DIYCASSETTE09HP-230D25-O DIYCASSETTE18HP-230D25-O

MRCOOL 55K BTU 22 SEER2 Ceiling Cassette Mini Split System DIY 5th Gen 3-Zone 9+9+18

SKU: DIY-MULTI6-55HP230D-O / 2-DIYCASSETTE09HP-230D25-O / DIYCASSETTE18HP-230D25-O
Product ID: 109386
$8,069.00 - $8,069.00
$8,069.00
$8,069.00 - $8,069.00
$8,069.00

Product Details MRCOOL 55K BTU Mini Split Heat Pump Condenser DIY 5th Gen 6 Zone R454B 230V DIY-MULTI6-55HP230D-O The MRCOOL DIY 5th Generation 55...

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A 3 zone mini split system provides precise heating and cooling for multiple rooms, making it ideal for spaces needing independent climate control. 

This collection includes advanced models like the ACiQ 48,000 BTU 23 SEER2 Extreme Slim Ceiling Cassette, which supports up to six air handlers and operates efficiently from -22°F to 122°F. For different project needs, 2 Zone Mini Splits and Single-Zone Mini Splits offer added flexibility.

Technical features set these mini split 3 zone systems apart. The Daikin 24,000 BTU Tri Zone Mini Split uses inverter-driven compressors and R32 refrigerant for efficiency and quiet operation, while the ACiQ 36K BTU 23 SEER2 Extreme Wall Mount system includes adaptive inverter technology and a Gold Fin condenser coil. Larger installations can benefit from 4 Zone Mini Splits.

Many units feature integrated base pan heaters, anti-corrosion treatments, and extended warranties for long-term reliability. Slim ceiling cassette and concealed duct air handlers provide installation flexibility and a discreet look.

Benefits of 3 Zone Mini Split Systems

  • Independent Zone Control: Each zone can be set to a different temperature, optimizing comfort and reducing energy waste.

  • Advanced Efficiency: High SEER2 ratings and inverter technology deliver lower operating costs and consistent performance.

  • Flexible Installation: Options include wall-mounted, ceiling cassette, and concealed duct air handlers to suit various layouts.

Related Multi-Zone Solutions

More HVAC Solutions

Here are other collections addressing various HVAC needs:

Quick Spec Comparison

Product Name

Cooling Capacity

SEER2 / Efficiency

Stand-out Features

Brand

ACiQ 48K BTU 23 SEER2 Extreme Slim Ceiling Cassette 3-Zone

48,000 BTU

23 SEER2

Operates -22°F to 122°F, Gold Fin coil, up to 6 air handlers

ACiQ

Daikin 24,000 BTU MXM Multi-Zone Tri Zone

24,000 BTU

21 SEER2

Inverter compressor, R32 refrigerant, 12-year warranty

Daikin

ACiQ 48,000 BTU 20.4 SEER2 Extreme Concealed Duct 3-Zone

48,000 BTU

20.4 SEER2

Concealed duct, wall thermostat, quiet operation

ACiQ

Daikin 36,000 BTU 20 SEER2 Mini Split 3 Zone

36,000 BTU

20 SEER2

Supports up to 5 zones, anti-corrosion, auto restart

Daikin

ACiQ 36K BTU 23 SEER2 Extreme Wall Mount 3-Zone

36,000 BTU

23 SEER2

Adaptive inverter, Gold Fin coil, up to 5 air handlers

ACiQ

Broader HVAC Collections

Why Shop 3 Zone Mini Splits at HVAC Store?

  • Wide selection of top brands and advanced models

  • Expert technical support and guidance

  • Extended warranty options for long-term value

  • Competitive pricing with no sales tax in most states (excluding California)

FAQ

What is a 3 zone mini split system?

A 3 zone mini split system is a ductless HVAC solution that allows independent temperature control in three separate areas using one outdoor condenser and three indoor air handlers.

How efficient are mini split 3 zone systems?

Many models in this category offer SEER2 ratings above 20, with inverter-driven compressors and advanced refrigerants for high energy efficiency and lower utility costs.

Can I install a 3 zone mini split myself?

Professional installation is recommended for most systems, especially those requiring refrigerant line connections, to ensure safety and warranty compliance.

What types of air handlers are available for 3 zone mini splits?

Options include wall-mounted, ceiling cassette, and concealed duct air handlers, each offering different installation and aesthetic benefits.

Are these systems suitable for extreme climates?

Several models are engineered to operate efficiently in temperatures as low as -22°F and as high as 122°F, making them suitable for a wide range of environments.

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