National Mini Splits · MRCOOL equipment department

Mini Split Systems

Compare Mini Split Systems by exact model, capacity, voltage, indoor-unit style and installation configuration. Determine whether each listing is a complete system or one component, then verify the outdoor unit, indoor unit and line-set requirements together.

Shop this department264 products to compare
Open buying guides →
Complete equipment directory

Shop every MRCOOL department

Choose a department, use the focused links, or start with the real catalog example shown on each card.

Not sure where to begin?Open the Mini Split Systems buying checklist

Confirm whether the listing is a complete system or an individual component. Match the full model numbers, capacity, voltage, refrigerant, generation and included equipment against current MRCOOL documentation.

Plan electrical work, line sets, drainage, mounting and freight access before ordering. For multi-component systems, verify the exact approved combination—not only the family name.

Read planning guides →Ask an equipment question →
National Mini Splits knowledge network

Products, documents and practical HVAC research—connected.

Use these original research paths to frame the purchase, then verify the exact model in current MRCOOL documentation and applicable requirements for the installation address.

Live catalog connections

Compare real products in Mini Split Systems

Open all 264 products →

Educational content is general information, not engineering, legal, tax or installation advice. Manufacturer documentation, certified ratings and applicable requirements control.

Current department264 products
MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (9K+9K), DIY2-BC-18HP0909 — MRCOOL model DIY2-BC-18HP0909, product image 1 Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (9K+9K), DIY2-BC-18HP0909

Model: DIY2-BC-18HP0909
$4,375.00Compare at$5,468.75
You save $1,093.7520% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (6K+12K), DIY2-BC-27HP0612 — MRCOOL model DIY2-BC-27HP0612, product image 1 Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (6K+12K), DIY2-BC-27HP0612

Model: DIY2-BC-27HP0612
$4,833.00Compare at$6,041.25
You save $1,208.2520% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (6K+12K), DIY2-BC-18HP0612 — MRCOOL model DIY2-BC-18HP0612, product image 1 Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (6K+12K), DIY2-BC-18HP0612

Model: DIY2-BC-18HP0612
$4,288.00Compare at$5,360.00
You save $1,072.0020% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 15,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 50ft. Pre-Charged Line Sets (6K+9K), DIYM218HPW01D15 — MRCOOL model DIYM218HPW01D15, produ Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 15,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 50ft. Pre-Charged Line Sets (6K+9K), DIYM218HPW01D15

Model: DIYM218HPW01D15
$3,718.00Compare at$4,647.50
You save $929.5020% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 15,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 35ft. Pre-Charged Line Sets (6K+9K), DIYM218HPW01D11 — MRCOOL model DIYM218HPW01D11, produ Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 15,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 35ft. Pre-Charged Line Sets (6K+9K), DIYM218HPW01D11

Model: DIYM218HPW01D11
$3,548.00Compare at$4,435.00
You save $887.0020% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 15,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 25ft. Pre-Charged Line Sets (6K+9K), DIYM218HPW01D06 — MRCOOL model DIYM218HPW01D06, produ Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 15,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 25ft. Pre-Charged Line Sets (6K+9K), DIYM218HPW01D06

Model: DIYM218HPW01D06
$3,072.00Compare at$3,840.00
You save $768.0020% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 15,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 16ft. Pre-Charged Line Sets (6K+9K), DIYM218HPW01D00 — MRCOOL model DIYM218HPW01D00, produ Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 15,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 16ft. Pre-Charged Line Sets (6K+9K), DIYM218HPW01D00

Model: DIYM218HPW01D00
$2,998.00Compare at$3,747.50
You save $749.5020% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 15,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (6K+9K), DIY2-B-18HP0609 — MRCOOL model DIY2-B-18HP0609, product image 1 Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 15,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (6K+9K), DIY2-B-18HP0609

Model: DIY2-B-18HP0609
$2,544.00Compare at$3,180.00
You save $636.0020% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 15,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 50ft. Pre-Charged Line Sets (6K+9K), DIYM218HPC01D15 — MRCOOL model DIYM2 Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 15,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 50ft. Pre-Charged Line Sets (6K+9K), DIYM218HPC01D15

Model: DIYM218HPC01D15
$5,451.00Compare at$6,813.75
You save $1,362.7520% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 15,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 35ft. Pre-Charged Line Sets (6K+9K), DIYM218HPC01D11 — MRCOOL model DIYM2 Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 15,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 35ft. Pre-Charged Line Sets (6K+9K), DIYM218HPC01D11

Model: DIYM218HPC01D11
$5,281.00Compare at$6,601.25
You save $1,320.2520% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 15,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 25ft. Pre-Charged Line Sets (6K+9K), DIYM218HPC01D06 — MRCOOL model DIYM2 Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 15,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 25ft. Pre-Charged Line Sets (6K+9K), DIYM218HPC01D06

Model: DIYM218HPC01D06
$4,805.00Compare at$6,006.25
You save $1,201.2520% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 15,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 16ft. Pre-Charged Line Sets (6K+9K), DIYM218HPC01D00 — MRCOOL model DIYM2 Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 15,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 16ft. Pre-Charged Line Sets (6K+9K), DIYM218HPC01D00

Model: DIYM218HPC01D00
$4,731.00Compare at$5,913.75
You save $1,182.7520% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 15,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (6K+9K), DIY2-BC-18HP0609 — MRCOOL model DIY2-BC-18HP0609, product image 1 Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 15,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (6K+9K), DIY2-BC-18HP0609

Model: DIY2-BC-18HP0609
$4,277.00Compare at$5,346.25
You save $1,069.2520% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 12,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with Pre-Charged 16ft. Line Sets (6K+6K), DIYM218HPW00D00 — MRCOOL model DIYM218HPW00D00, produ Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 12,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with Pre-Charged 16ft. Line Sets (6K+6K), DIYM218HPW00D00

Model: DIYM218HPW00D00
$2,923.00Compare at$3,653.75
You save $730.7520% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 12,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with Pre-Charged 50ft. Line Sets (6K+6K), DIYM218HPW00D15 — MRCOOL model DIYM218HPW00D15, produ Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 12,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with Pre-Charged 50ft. Line Sets (6K+6K), DIYM218HPW00D15

Model: DIYM218HPW00D15
$3,643.00Compare at$4,553.75
You save $910.7520% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 12,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with Pre-Charged 35ft. Line Sets (6K+6K), DIYM218HPW00D11 — MRCOOL model DIYM218HPW00D11, produ Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 12,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with Pre-Charged 35ft. Line Sets (6K+6K), DIYM218HPW00D11

Model: DIYM218HPW00D11
$3,473.00Compare at$4,341.25
You save $868.2520% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 12,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with Pre-Charged 25ft. Line Sets (6K+6K), DIYM218HPW00D06 — MRCOOL model DIYM218HPW00D06, produ Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 12,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with Pre-Charged 25ft. Line Sets (6K+6K), DIYM218HPW00D06

Model: DIYM218HPW00D06
$2,997.00Compare at$3,746.25
You save $749.2520% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 12,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (6K+6K), DIY2-B-18HP0606 — MRCOOL model DIY2-B-18HP0606, product image 1 Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 12,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (6K+6K), DIY2-B-18HP0606

Model: DIY2-B-18HP0606
$2,469.00Compare at$3,086.25
You save $617.2520% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 12,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with Pre-Charged 16ft. Line Sets (6K+6K), DIYM218HPC00D00 — MRCOOL model DIYM2 Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 12,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with Pre-Charged 16ft. Line Sets (6K+6K), DIYM218HPC00D00

Model: DIYM218HPC00D00
$4,633.00Compare at$5,791.25
You save $1,158.2520% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 12,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with Pre-Charged 50ft. Line Sets (6K+6K), DIYM218HPC00D15 — MRCOOL model DIYM2 Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 12,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with Pre-Charged 50ft. Line Sets (6K+6K), DIYM218HPC00D15

Model: DIYM218HPC00D15
$5,353.00Compare at$6,691.25
You save $1,338.2520% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 12,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with Pre-Charged 35ft. Line Sets (6K+6K), DIYM218HPC00D11 — MRCOOL model DIYM2 Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 12,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with Pre-Charged 35ft. Line Sets (6K+6K), DIYM218HPC00D11

Model: DIYM218HPC00D11
$5,183.00Compare at$6,478.75
You save $1,295.7520% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 12,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with Pre-Charged 25ft. Line Sets (6K+6K), DIYM218HPC00D06 — MRCOOL model DIYM2 Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 12,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with Pre-Charged 25ft. Line Sets (6K+6K), DIYM218HPC00D06

Model: DIYM218HPC00D06
$4,707.00Compare at$5,883.75
You save $1,176.7520% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 12,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (6K+6K), DIY2-BC-18HP0606 — MRCOOL model DIY2-BC-18HP0606, product image 1 Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 12,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (6K+6K), DIY2-BC-18HP0606

Model: DIY2-BC-18HP0606
$4,179.00Compare at$5,223.75
You save $1,044.7520% off
Available to order View product details
MRCOOL DIY 5th Gen 18K BTU Single Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump with 25 ft. Install Kit, DIY-18-HP-CS-230D25-O — MRCOOL model DIY-18-HP-CS-230D25-O Current offer
MRCOOL

MRCOOL DIY 5th Gen 18K BTU Single Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump with 25 ft. Install Kit, DIY-18-HP-CS-230D25-O

Model: DIY-18-HP-CS-230D25-O
$3,418.00Compare at$4,092.67
You save $674.6716% off
Available to order View product details
How to shop Mini Split Systems

A precise model match saves more time than a broad category match.

Mini-split listings can represent a complete system, a single indoor unit, an outdoor condenser or a preconfigured combination. Start by identifying the number of independently controlled spaces, the intended indoor-unit style and a defensible capacity for each zone.

For a complete system, verify the outdoor model, every indoor model, total connected capacity, line-set connection type and length, voltage, refrigerant and included accessories. “DIY” describes specific installation features; it does not remove electrical, permit or local-code responsibilities.

Common buying questions

Mini Split Systems FAQs

How do I know whether a listing is a complete system?

Review the product title, included-components section, product images and exact models. A family name or capacity alone does not prove that indoor and outdoor equipment are both included.

Can I match components from different MRCOOL generations?

Do not assume cross-generation compatibility. Confirm the complete combination in current MRCOOL documentation or obtain model-specific evidence before ordering.

Does square footage determine the correct system size?

No. Square footage is only one input. Climate, insulation, windows, ceiling height, orientation, occupancy and internal loads should be considered in a proper load calculation.

Where do I confirm shipping charges and delivery options?

Available shipping methods and charges are shown at checkout for the order and destination. Large equipment may require additional freight-access planning before purchase.