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MRCOOL DIY-MULTI6-55HP230D-O 2-DIY-09-HP-WMAH-230D25-O 2-DIY-18-HP-WMAH-230D25-O

MRCOOL 55K BTU 22 SEER2 Mini Split System DIY 5th Gen Wall Mount 4-Zone 09+09+18+18

SKU: DIY-MULTI6-55HP230D-O / 2-DIY-09-HP-WMAH-230D25-O / 2-DIY-18-HP-WMAH-230D25-O
Product ID: 50636
$6,735.00 - $6,735.00
$6,735.00
$6,735.00 - $6,735.00
$6,735.00

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-MULTI6-55HP230D-O 2-DIY-09-HP-WMAH-230D25-O DIY-18-HP-WMAH-230D25-O DIY-24-HP-WMAH-230D25-O

MRCOOL 55K BTU 22 SEER2 Mini Split System DIY 5th Gen Wall Mount 4-Zone 09+09+18+24

SKU: DIY-MULTI6-55HP230D-O / 2-DIY-09-HP-WMAH-230D25-O / DIY-18-HP-WMAH-230D25-O / DIY-24-HP-WMAH-230D25-O
Product ID: 50635
$6,769.00 - $6,769.00
$6,769.00
$6,769.00 - $6,769.00
$6,769.00

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 Generati...

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DIY-MULTI6-55HP230D-O / 2-DIY-09-HP-WMAH-230D25-O / DIY-12-HP-WMAH-230D25-O / DIY-24-HP-WMAH-230D25-O

MRCOOL 55K BTU 22 SEER2 Mini Split System DIY 5th Gen Wall Mount 4-Zone 09+09+12+24

SKU: DIY-MULTI6-55HP230D-O / 2-DIY-09-HP-WMAH-230D25-O / DIY-12-HP-WMAH-230D25-O / DIY-24-HP-WMAH-230D25-O
Product ID: 50634
$6,527.00 - $6,527.00
$6,527.00
$6,527.00 - $6,527.00
$6,527.00

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 Generati...

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MRCOOL DIY-MULTI6-55HP230D-O 2-DIY-09-HP-WMAH-230D25-O DIY-12-HP-WMAH-230D25-O DIY-18-HP-WMAH-230D25-O

MRCOOL 55K BTU 22 SEER2 Mini Split System DIY 5th Gen Wall Mount 4-Zone 09+09+12+18

SKU: DIY-MULTI6-55HP230D-O / 2-DIY-09-HP-WMAH-230D25-O / DIY-12-HP-WMAH-230D25-O / DIY-18-HP-WMAH-230D25-O
Product ID: 50633
$6,493.00 - $6,493.00
$6,493.00
$6,493.00 - $6,493.00
$6,493.00

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 Generati...

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MRCOOL DIY-MULTI6-55HP230D-O DIY-09-HP-WMAH-230D25-O 2-DIY-12-HP-WMAH-230D25-O DIY-24-HP-WMAH-230D25-O

MRCOOL 55K BTU 22 SEER2 Mini Split System DIY 5th Gen Wall Mount 4-Zone 09+12+12+24

SKU: DIY-MULTI6-55HP230D-O / DIY-09-HP-WMAH-230D25-O / 2-DIY-12-HP-WMAH-230D25-O / DIY-24-HP-WMAH-230D25-O
Product ID: 50632
$6,684.00 - $6,684.00
$6,684.00
$6,684.00 - $6,684.00
$6,684.00

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 Generati...

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MRCOOL DIY-MULTI6-55HP230D-O DIY-09-HP-WMAH-230D25-O 2-DIY-12-HP-WMAH-230D25-O DIY-18-HP-WMAH-230D25-O

MRCOOL 55K BTU 22 SEER2 Mini Split System DIY 5th Gen Wall Mount 4-Zone 09+12+12+18

SKU: DIY-MULTI6-55HP230D-O / DIY-09-HP-WMAH-230D25-O / 2-DIY-12-HP-WMAH-230D25-O / DIY-18-HP-WMAH-230D25-O
Product ID: 50631
$6,650.00 - $6,650.00
$6,650.00
$6,650.00 - $6,650.00
$6,650.00

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 Generati...

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MRCOOL DIY-MULTI6-55HP230D-O 2-DIY-06-HP-WMAH-230D25-O 2-DIY-18-HP-WMAH-230D25-O

MRCOOL 55K BTU 22 SEER2 Mini Split System DIY 5th Gen Wall Mount 4-Zone 06+06+18+18

SKU: DIY-MULTI6-55HP230D-O / 2-DIY-06-HP-WMAH-230D25-O / 2-DIY-18-HP-WMAH-230D25-O
Product ID: 50630
$6,585.00 - $6,585.00
$6,585.00
$6,585.00 - $6,585.00
$6,585.00

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-MULTI6-55HP230D-O 2-DIY-06-HP-WMAH-230D25-O DIY-18-HP-WMAH-230D25-O DIY-24-HP-WMAH-230D25-O

MRCOOL 55K BTU 22 SEER2 Mini Split System DIY 5th Gen Wall Mount 4-Zone 06+06+18+24

SKU: DIY-MULTI6-55HP230D-O / 2-DIY-06-HP-WMAH-230D25-O / DIY-18-HP-WMAH-230D25-O / DIY-24-HP-WMAH-230D25-O
Product ID: 50629
$6,619.00 - $6,619.00
$6,619.00
$6,619.00 - $6,619.00
$6,619.00

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 Generati...

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MRCOOL DIY-MULTI6-55HP230D-O 2-DIY-06-HP-WMAH-230D25-O DIY-12-HP-WMAH-230D25-O DIY-24-HP-WMAH-230D25-O

MRCOOL 55K BTU 22 SEER2 Mini Split System DIY 5th Gen Wall Mount 4-Zone 06+06+12+24

SKU: DIY-MULTI6-55HP230D-O / 2-DIY-06-HP-WMAH-230D25-O / DIY-12-HP-WMAH-230D25-O / DIY-24-HP-WMAH-230D25-O
Product ID: 50628
$6,377.00 - $6,377.00
$6,377.00
$6,377.00 - $6,377.00
$6,377.00

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 Generati...

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MRCOOL DIY-MULTI6-55HP230D-O 2-DIY-06-HP-WMAH-230D25-O DIY-12-HP-WMAH-230D25-O DIY-18-HP-WMAH-230D25-O

MRCOOL 55K BTU 22 SEER2 Mini Split System DIY 5th Gen Wall Mount 4-Zone 06+06+12+18

SKU: DIY-MULTI6-55HP230D-O / 2-DIY-06-HP-WMAH-230D25-O / DIY-12-HP-WMAH-230D25-O / DIY-18-HP-WMAH-230D25-O
Product ID: 50627
$6,343.00 - $6,343.00
$6,343.00
$6,343.00 - $6,343.00
$6,343.00

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 Generati...

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MRCOOL DIY-MULTI6-55HP230D-O DIY-06-HP-WMAH-230D25-O 2-DIY-12-HP-WMAH-230D25-O DIY-24-HP-WMAH-230D25-O

MRCOOL 55K BTU 22 SEER2 Mini Split System DIY 5th Gen Wall Mount 4-Zone 06+12+12+24

SKU: DIY-MULTI6-55HP230D-O / DIY-06-HP-WMAH-230D25-O / 2-DIY-12-HP-WMAH-230D25-O / DIY-24-HP-WMAH-230D25-O
Product ID: 50626
$6,609.00 - $6,609.00
$6,609.00
$6,609.00 - $6,609.00
$6,609.00

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 Generati...

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MRCOOL DIY-MULTI6-55HP230D-O DIY-06-HP-WMAH-230D25-O 2-DIY-12-HP-WMAH-230D25-O DIY-18-HP-WMAH-230D25-O

MRCOOL 55K BTU 22 SEER2 Mini Split System DIY 5th Gen Wall Mount 4-Zone 06+12+12+18

SKU: DIY-MULTI6-55HP230D-O / DIY-06-HP-WMAH-230D25-O / 2-DIY-12-HP-WMAH-230D25-O / DIY-18-HP-WMAH-230D25-O
Product ID: 50625
$6,575.00 - $6,575.00
$6,575.00
$6,575.00 - $6,575.00
$6,575.00

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 Generati...

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MRCOOL DIY-MULTI6-55HP230D-O DIY-06-HP-WMAH-230D25-O DIY-09-HP-WMAH-230D25-O 2-DIY-18-HP-WMAH-230D25-O

MRCOOL 55K BTU 22 SEER2 Mini Split System DIY 5th Gen Wall Mount 4-Zone 06+09+18+18

SKU: DIY-MULTI6-55HP230D-O / DIY-06-HP-WMAH-230D25-O / DIY-09-HP-WMAH-230D25-O / 2-DIY-18-HP-WMAH-230D25-O
Product ID: 50624
$6,660.00 - $6,660.00
$6,660.00
$6,660.00 - $6,660.00
$6,660.00

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-MULTI6-55HP230D-O 4-DIY-12-HP-WMAH-230D25-O

MRCOOL 55K BTU 22 SEER2 Mini Split System DIY 5th Gen Wall Mount 4-Zone 12+12+12+12

SKU: DIY-MULTI6-55HP230D-O / 4-DIY-12-HP-WMAH-230D25-O
Product ID: 50623
$6,565.00 - $6,565.00
$6,565.00
$6,565.00 - $6,565.00
$6,565.00

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 Generati...

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MRCOOL DIY-MULTI6-55HP230D-O DIY-09-HP-WMAH-230D25-O 3-DIY-12-HP-WMAH-230D25-O

MRCOOL 55K BTU 22 SEER2 Mini Split System DIY 5th Gen Wall Mount 4-Zone 09+12+12+12

SKU: DIY-MULTI6-55HP230D-O / DIY-09-HP-WMAH-230D25-O / 3-DIY-12-HP-WMAH-230D25-O
Product ID: 50622
$6,408.00 - $6,408.00
$6,408.00
$6,408.00 - $6,408.00
$6,408.00

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 Generati...

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MRCOOL DIY-MULTI6-48HP230D-O DIY-06-HP-WMAH-230D25-O 2-DIY-18-HP-WMAH-230D25-O DIY-24-HP-WMAH-230D25-O

MRCOOL 48K BTU 21.8 SEER2 Mini Split System DIY 5th Gen Wall Mount 4-Zone 06+18+18+24

SKU: DIY-MULTI6-48HP230D-O / DIY-06-HP-WMAH-230D25-O / 2-DIY-18-HP-WMAH-230D25-O / DIY-24-HP-WMAH-230D25-O
Product ID: 50621
$6,512.00 - $6,512.00
$6,512.00
$6,512.00 - $6,512.00
$6,512.00

Product Details MRCOOL 48K BTU Mini Split Heat Pump Condenser DIY 5th Gen 6 Zone R454B 230V DIY-MULTI6-48HP230D-O The MRCOOL DIY 5th Generation 48...

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MRCOOL DIY-MULTI6-48HP230D-O 2-DIY-12-HP-WMAH-230D25-O 2-DIY-18-HP-WMAH-230D25-O

MRCOOL 48K BTU 21.8 SEER2 Mini Split System DIY 5th Gen Wall Mount 4-Zone 12+12+18+18

SKU: DIY-MULTI6-48HP230D-O / 2-DIY-12-HP-WMAH-230D25-O / 2-DIY-18-HP-WMAH-230D25-O
Product ID: 50620
$6,468.00 - $6,468.00
$6,468.00
$6,468.00 - $6,468.00
$6,468.00

Product Details MRCOOL 48K BTU Mini Split Heat Pump Condenser DIY 5th Gen 6 Zone R454B 230V DIY-MULTI6-48HP230D-O The MRCOOL DIY 5th Generation 48...

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MRCOOL DIY-MULTI6-48HP230D-O DIY-06-HP-WMAH-230D25-O 3-DIY-18-HP-WMAH-230D25-O

MRCOOL 48K BTU 21.8 SEER2 Mini Split System DIY 5th Gen Wall Mount 4-Zone 6+18+18+18

SKU: DIY-MULTI6-48HP230D-O / DIY-06-HP-WMAH-230D25-O / 3-DIY-18-HP-WMAH-230D25-O
Product ID: 50619
$6,478.00 - $6,478.00
$6,478.00
$6,478.00 - $6,478.00
$6,478.00

Product Details MRCOOL 48K BTU Mini Split Heat Pump Condenser DIY 5th Gen 6 Zone R454B 230V DIY-MULTI6-48HP230D-O The MRCOOL DIY 5th Generation 48...

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MRCOOL DIY-MULTI6-55HP230D-O 3-DIY-18-HP-WMAH-230D25-O

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

SKU: DIY-MULTI6-55HP230D-O / 3-DIY-18-HP-WMAH-230D25-O
Product ID: 50491
$6,602.00 - $6,602.00
$6,602.00
$6,602.00 - $6,602.00
$6,602.00

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-MULTI6-55HP230D-O 2-DIY-12-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 12+12+36

SKU: DIY-MULTI6-55HP230D-O / 2-DIY-12-HP-WMAH-230D25-O / DIY-36-HP-WMAH-230D25-O
Product ID: 50490
$6,468.00 - $6,468.00
$6,468.00
$6,468.00 - $6,468.00
$6,468.00

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-MULTI6-55HP230D-O DIY-12-HP-WMAH-230D25-O 2-DIY-18-HP-WMAH-230D25-O

MRCOOL 55K BTU 22 SEER2 Wall Mounted Mini Split System DIY 5th Gen 3-Zone 12+18+18

SKU: DIY-MULTI6-55HP230D-O / DIY-12-HP-WMAH-230D25-O / 2-DIY-18-HP-WMAH-230D25-O
Product ID: 50489
$6,360.00 - $6,360.00
$6,360.00
$6,360.00 - $6,360.00
$6,360.00

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-MULTI6-55HP230D-O DIY-12-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 12+18+36

SKU: DIY-MULTI6-55HP230D-O / DIY-12-HP-WMAH-230D25-O / DIY-18-HP-WMAH-230D25-O / DIY-36-HP-WMAH-230D25-O
Product ID: 50488
$6,710.00 - $6,710.00
$6,710.00
$6,710.00 - $6,710.00
$6,710.00

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-MULTI6-55HP230D-O DIY-12-HP-WMAH-230D25-O DIY-18-HP-WMAH-230D25-O DIY-24-HP-WMAH-230D25-O

MRCOOL 55K BTU 22 SEER2 Wall Mounted Mini Split System DIY 5th Gen 3-Zone 12+18+24

SKU: DIY-MULTI6-55HP230D-O / DIY-12-HP-WMAH-230D25-O / DIY-18-HP-WMAH-230D25-O / DIY-24-HP-WMAH-230D25-O
Product ID: 50487
$6,394.00 - $6,394.00
$6,394.00
$6,394.00 - $6,394.00
$6,394.00

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-MULTI6-55HP230D-O DIY-09-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 9+18+36

SKU: DIY-MULTI6-55HP230D-O / DIY-09-HP-WMAH-230D25-O / DIY-18-HP-WMAH-230D25-O / DIY-36-HP-WMAH-230D25-O
Product ID: 50486
$6,553.00 - $6,553.00
$6,553.00
$6,553.00 - $6,553.00
$6,553.00

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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HVAC Store curates premium ductless mini-split systems engineered to solve complex comfort challenges in specific rooms. Unlike generic air conditioning, each system in our lineup is selected for its exceptional performance data, comprehensive warranty coverage, and long-term reliability. Whether you are conditioning a single home office or designing a complex multi-zone layout, we provide the tailored solutions and professional support necessary to ensure your project's success.

Zoned Comfort: Flexible Mini‑Split Systems for Any Room

Our ductless range encompasses everything from top-notch single-zone wall-mounted packages to sophisticated multi-zone systems supporting up to eight indoor air handlers . By linking an outdoor condenser to one or more indoor units via slim refrigerant lines, these systems eliminate the need for bulky, energy-wasting ductwork. This makes them the leading choice for room additions, finished basements, and historic homes where extending central air is impractical.

Cutting-edge inverter technology is a standard feature across our ductless collection. This allows the compressor to modulate its speed rather than cycling fully on and off, resulting in exceptional energy savings, quieter operation, and more consistent temperatures. With BTU options sized for individual rooms or entire floor plans—and trusted brands like Daikin, Goodman, and ACiQ offering hyper-heat performance—finding the right system for your climate is straightforward.

Choosing the Right Ductless Mini Splits for Your Space

  • Match Capacity and Zones: Select BTU and zone count carefully; a single‑zone mini-split unit is ideal for cooling a room or studio, while a multi‑zone mini-split with multiple indoor air handlers can serve several spaces at once.

  • Consider Layout and Style: Decide whether a wall‑mounted indoor unit, floor console, or concealed ductless system best suits your room additions and aesthetics, then confirm that the outdoor and indoor units fit the available space.

  • Evaluate Efficiency: Look for energy-efficient models with strong SEER2 ratings and inverter compressors to reduce energy consumption and lower utility bills compared with window AC or older AC systems.

  • Plan for Climate: Choose a mini-split heat pump or hyper-heat series ductless option if you need efficient heating and cooling in colder climates, rather than just a cooling system.

  • Factor in Installation: Professional installation is recommended; a qualified installer will size the refrigerant lines, set the outdoor unit, and pressure-test connections so your ductless HVAC system delivers reliable, efficient heating and cooling.

Related Collections for Ductless and Split‑System Comfort

FAQ

What is a ductless mini-split, and how does it differ from central air?

A ductless system uses small refrigerant lines rather than large ducts to deliver conditioned air directly into a room. This provides a tailored solution for zoning, as each indoor unit can be controlled independently, unlike traditional central air systems that treat the whole house as one zone.

Can a mini-split provide heating and cooling year-round?

Yes. Most systems in our collection utilize innovative heat pump technology to provide both heating and cooling. These top-notch units act as a complete climate solution, offering high-efficiency warmth in the winter and powerful cooling in the summer.

How do I determine the correct BTU size for my room?

Sizing depends on the room’s square footage, insulation quality, and window exposure. Generally, a small bedroom may require 9,000 to 12,000 BTU, while larger open-concept areas need higher capacities. Our team is available to provide professional guidance to ensure your system is perfectly sized.

Are these systems truly energy-efficient?

Absolutely. Most modern ductless units feature cutting-edge inverter compressors that adjust output to match the actual cooling or heating demand. By avoiding the energy spikes of "on-off" cycling, these systems deliver significant energy savings compared to older AC units.

Where is the best place to install the indoor units?

Indoor units are typically mounted high on a wall for optimal air distribution. However, we also offer floor-mounted, ceiling-mounted, and concealed air handlers for applications where wall space is limited or a more subtle look is desired.