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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.

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MRCOOL DIY 5th Gen 2-Zone 60,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 35ft. Pre-Charged Line Sets (24K+36K), DIYM255HPW60D11 — MRCOOL model DIYM255HPW60D11, proCurrent offer
MRCOOL MRCOOL DIY 5th Gen 2-Zone 60,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 35ft. Pre-Charged Line Sets (24K+36K), DIYM255HPW60D11 DIYM255HPW60D11
$7,185.00Compare at$8,981.25
You save $1,796.2520% off
MRCOOL DIY 5th Gen 2-Zone 54,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 16ft. Pre-Charged Line Sets (18K+36K), DIYM255HPW04D00 — MRCOOL model DIYM255HPW04D00, proCurrent offer
MRCOOL MRCOOL DIY 5th Gen 2-Zone 54,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 16ft. Pre-Charged Line Sets (18K+36K), DIYM255HPW04D00 DIYM255HPW04D00
$6,531.00Compare at$8,163.75
You save $1,632.7520% off
MRCOOL DIY 5th Gen 2-Zone 60,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 50ft. Pre-Charged Line Sets (24K+36K), DIYM255HPW60D15 — MRCOOL model DIYM255HPW60D15, proCurrent offer
MRCOOL MRCOOL DIY 5th Gen 2-Zone 60,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 50ft. Pre-Charged Line Sets (24K+36K), DIYM255HPW60D15 DIYM255HPW60D15
$7,379.00Compare at$9,223.75
You save $1,844.7520% off
MRCOOL DIY 5th Gen 2-Zone 54,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (18K+36K), DIY2-B-55HP1836 — MRCOOL model DIY2-B-55HP1836, product image 1Current offer
MRCOOL MRCOOL DIY 5th Gen 2-Zone 54,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (18K+36K), DIY2-B-55HP1836 DIY2-B-55HP1836
$6,021.00Compare at$7,526.25
You save $1,505.2520% off
MRCOOL DIY 5th Gen 2-Zone 54,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 35ft. Pre-Charged Line Sets (18K+36K), DIYM255HPW04D14 — MRCOOL model DIYM255HPW04D14, proCurrent offer
MRCOOL MRCOOL DIY 5th Gen 2-Zone 54,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 35ft. Pre-Charged Line Sets (18K+36K), DIYM255HPW04D14 DIYM255HPW04D14
$7,096.00Compare at$8,870.00
You save $1,774.0020% off
MRCOOL DIY 5th Gen 2-Zone 48,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 50ft. Pre-Charged Line Sets (24K+24K), DIYM248HPW07D15 — MRCOOL model DIYM248HPW07D15, proCurrent offer
MRCOOL MRCOOL DIY 5th Gen 2-Zone 48,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 50ft. Pre-Charged Line Sets (24K+24K), DIYM248HPW07D15 DIYM248HPW07D15
$6,482.00Compare at$8,102.50
You save $1,620.5020% off
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.

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MRCOOL DIY 5th Gen 2-Zone 60,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 35ft. Pre-Charged Line Sets (24K+36K), DIYM255HPW60D11 — MRCOOL model DIYM255HPW60D11, proMRCOOL DIY 5th Gen 2-Zone 60,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 35ft. Pre-Charged Line Sets (24K+36K), DIYM255HPW60D11DIYM255HPW60D11MRCOOL DIY 5th Gen 2-Zone 54,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 16ft. Pre-Charged Line Sets (18K+36K), DIYM255HPW04D00 — MRCOOL model DIYM255HPW04D00, proMRCOOL DIY 5th Gen 2-Zone 54,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 16ft. Pre-Charged Line Sets (18K+36K), DIYM255HPW04D00DIYM255HPW04D00MRCOOL DIY 5th Gen 2-Zone 60,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 50ft. Pre-Charged Line Sets (24K+36K), DIYM255HPW60D15 — MRCOOL model DIYM255HPW60D15, proMRCOOL DIY 5th Gen 2-Zone 60,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 50ft. Pre-Charged Line Sets (24K+36K), DIYM255HPW60D15DIYM255HPW60D15MRCOOL DIY 5th Gen 2-Zone 54,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (18K+36K), DIY2-B-55HP1836 — MRCOOL model DIY2-B-55HP1836, product image 1MRCOOL DIY 5th Gen 2-Zone 54,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (18K+36K), DIY2-B-55HP1836DIY2-B-55HP1836MRCOOL DIY 5th Gen 2-Zone 54,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 35ft. Pre-Charged Line Sets (18K+36K), DIYM255HPW04D14 — MRCOOL model DIYM255HPW04D14, proMRCOOL DIY 5th Gen 2-Zone 54,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 35ft. Pre-Charged Line Sets (18K+36K), DIYM255HPW04D14DIYM255HPW04D14MRCOOL DIY 5th Gen 2-Zone 48,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 50ft. Pre-Charged Line Sets (24K+24K), DIYM248HPW07D15 — MRCOOL model DIYM248HPW07D15, proMRCOOL DIY 5th Gen 2-Zone 48,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 50ft. Pre-Charged Line Sets (24K+24K), DIYM248HPW07D15DIYM248HPW07D15

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 24,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 25ft. Pre-Charged Line Sets (6K+18K), DIYM227HPC01D07 — MRCOOL model DIYM Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 24,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 25ft. Pre-Charged Line Sets (6K+18K), DIYM227HPC01D07

Model: DIYM227HPC01D07
$5,388.00Compare at$6,735.00
You save $1,347.0020% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 24,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 25ft. Pre-Charged Line Sets (12K+12K), DIYM236HPC02D06 — MRCOOL model DIY Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 24,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 25ft. Pre-Charged Line Sets (12K+12K), DIYM236HPC02D06

Model: DIYM236HPC02D06
$5,913.00Compare at$7,391.25
You save $1,478.2520% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 24,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 25ft. Pre-Charged Line Sets (12K+12K), DIYM227HPC04D06 — MRCOOL model DIY Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 24,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 25ft. Pre-Charged Line Sets (12K+12K), DIYM227HPC04D06

Model: DIYM227HPC04D06
$5,470.00Compare at$6,837.50
You save $1,367.5020% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 24,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 16ft. Pre-Charged Line Sets (6K+18K), DIYM236HPC00D00 — MRCOOL model DIYM Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 24,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 16ft. Pre-Charged Line Sets (6K+18K), DIYM236HPC00D00

Model: DIYM236HPC00D00
$5,716.00Compare at$7,145.00
You save $1,429.0020% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 24,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 16ft. Pre-Charged Line Sets (6K+18K), DIYM227HPC01D00 — MRCOOL model DIYM Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 24,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 16ft. Pre-Charged Line Sets (6K+18K), DIYM227HPC01D00

Model: DIYM227HPC01D00
$5,318.00Compare at$6,648.00
You save $1,330.0020% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 24,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 16ft. Pre-Charged Line Sets (12K+12K), DIYM236HPC02D00 — MRCOOL model DIY Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 24,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 16ft. Pre-Charged Line Sets (12K+12K), DIYM236HPC02D00

Model: DIYM236HPC02D00
$5,839.00Compare at$7,298.75
You save $1,459.7520% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 24,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 16ft. Pre-Charged Line Sets (12K+12K), DIYM227HPC04D00 — MRCOOL model DIY Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 24,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 16ft. Pre-Charged Line Sets (12K+12K), DIYM227HPC04D00

Model: DIYM227HPC04D00
$5,396.00Compare at$6,745.00
You save $1,349.0020% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 24,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (6K+18K), DIY2-BC-36HP0618 — MRCOOL model DIY2-BC-36HP0618, product image 1 Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 24,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (6K+18K), DIY2-BC-36HP0618

Model: DIY2-BC-36HP0618
$5,295.00Compare at$6,618.75
You save $1,323.7520% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 24,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (6K+18K), DIY2-BC-27HP0618 — MRCOOL model DIY2-BC-27HP0618, product image 1 Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 24,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (6K+18K), DIY2-BC-27HP0618

Model: DIY2-BC-27HP0618
$4,852.00Compare at$6,065.00
You save $1,213.0020% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 24,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (12K+12K), DIY2-BC-36HP1212 — MRCOOL model DIY2-BC-36HP1212, product image 1 Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 24,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (12K+12K), DIY2-BC-36HP1212

Model: DIY2-BC-36HP1212
$5,385.00Compare at$6,731.25
You save $1,346.2520% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 24,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (12K+12K), DIY2-BC-27HP1212 — MRCOOL model DIY2-BC-27HP1212, product image 1 Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 24,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (12K+12K), DIY2-BC-27HP1212

Model: DIY2-BC-27HP1212
$4,942.00Compare at$6,177.50
You save $1,235.5020% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 21,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 50ft. Pre-Charged Line Sets (9K+12K), DIYM227HPW02D15 — MRCOOL model DIYM227HPW02D15, prod Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 21,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 50ft. Pre-Charged Line Sets (9K+12K), DIYM227HPW02D15

Model: DIYM227HPW02D15
$4,495.00Compare at$5,618.75
You save $1,123.7520% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 21,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 35ft. Pre-Charged Line Sets (9K+12K), DIYM227HPW02D11 — MRCOOL model DIYM227HPW02D11, prod Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 21,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 35ft. Pre-Charged Line Sets (9K+12K), DIYM227HPW02D11

Model: DIYM227HPW02D11
$4,325.00Compare at$5,406.25
You save $1,081.2520% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 21,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 25ft. Pre-Charged Line Sets (9K+12K), DIYM227HPW02D06 — MRCOOL model DIYM227HPW02D06, prod Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 21,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 25ft. Pre-Charged Line Sets (9K+12K), DIYM227HPW02D06

Model: DIYM227HPW02D06
$3,849.00Compare at$4,811.25
You save $962.2520% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 21,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 16ft. Pre-Charged Line Sets (9K+12K), DIYM227HPW02D00 — MRCOOL model DIYM227HPW02D00, prod Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 21,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 16ft. Pre-Charged Line Sets (9K+12K), DIYM227HPW02D00

Model: DIYM227HPW02D00
$3,775.00Compare at$4,718.75
You save $943.7520% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 21,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (9K+12K), DIY2-B-27HP0912 — MRCOOL model DIY2-B-27HP0912, product image 1 Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 21,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (9K+12K), DIY2-B-27HP0912

Model: DIY2-B-27HP0912
$3,321.00Compare at$4,151.25
You save $830.2520% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 21,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 50ft. Pre-Charged Line Sets (9K+12K), DIYM227HPC02D15 — MRCOOL model DIYM Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 21,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 50ft. Pre-Charged Line Sets (9K+12K), DIYM227HPC02D15

Model: DIYM227HPC02D15
$6,105.00Compare at$7,631.25
You save $1,526.2520% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 21,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 35ft. Pre-Charged Line Sets (9K+12K), DIYM227HPC02D11 — MRCOOL model DIYM Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 21,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 35ft. Pre-Charged Line Sets (9K+12K), DIYM227HPC02D11

Model: DIYM227HPC02D11
$5,935.00Compare at$7,418.75
You save $1,483.7520% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 21,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 25ft. Pre-Charged Line Sets (9K+12K), DIYM227HPC02D06 — MRCOOL model DIYM Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 21,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 25ft. Pre-Charged Line Sets (9K+12K), DIYM227HPC02D06

Model: DIYM227HPC02D06
$5,459.00Compare at$6,823.75
You save $1,364.7520% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 21,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 16ft. Pre-Charged Line Sets (9K+12K), DIYM227HPC02D00 — MRCOOL model DIYM Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 21,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 16ft. Pre-Charged Line Sets (9K+12K), DIYM227HPC02D00

Model: DIYM227HPC02D00
$5,385.00Compare at$6,731.25
You save $1,346.2520% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 21,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (9K+12K), DIY2-BC-27HP0912 — MRCOOL model DIY2-BC-27HP0912, product image 1 Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 21,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (9K+12K), DIY2-BC-27HP0912

Model: DIY2-BC-27HP0912
$4,931.00Compare at$6,163.75
You save $1,232.7520% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 16ft. Pre-Charged Line Sets (6K+12K), DIYM218HPW02D00 — MRCOOL model DIYM218HPW02D00, prod Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 16ft. Pre-Charged Line Sets (6K+12K), DIYM218HPW02D00

Model: DIYM218HPW02D00
$3,155.00Compare at$3,943.75
You save $788.7520% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 50ft. Pre-Charged Line Sets (9K+9K), DIYM218HPW03D15 — MRCOOL model DIYM218HPW03D15, produ Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 50ft. Pre-Charged Line Sets (9K+9K), DIYM218HPW03D15

Model: DIYM218HPW03D15
$3,793.00Compare at$4,741.25
You save $948.2520% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 50ft. Pre-Charged Line Sets (6K+12K), DIYM227HPW00D15 — MRCOOL model DIYM227HPW00D15, prod Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 50ft. Pre-Charged Line Sets (6K+12K), DIYM227HPW00D15

Model: DIYM227HPW00D15
$4,420.00Compare at$5,525.00
You save $1,105.0020% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 50ft. Pre-Charged Line Sets (6K+12K), DIYM218HPW02D15 — MRCOOL model DIYM218HPW02D15, prod Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 50ft. Pre-Charged Line Sets (6K+12K), DIYM218HPW02D15

Model: DIYM218HPW02D15
$3,875.00Compare at$4,843.75
You save $968.7520% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 35ft. Pre-Charged Line Sets (9K+9K), DIYM218HPW03D11 — MRCOOL model DIYM218HPW03D11, produ Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 35ft. Pre-Charged Line Sets (9K+9K), DIYM218HPW03D11

Model: DIYM218HPW03D11
$3,623.00Compare at$4,528.75
You save $905.7520% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 35ft. Pre-Charged Line Sets (6K+12K), DIYM218HPW02D11 — MRCOOL model DIYM218HPW02D11, prod Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 35ft. Pre-Charged Line Sets (6K+12K), DIYM218HPW02D11

Model: DIYM218HPW02D11
$3,705.00Compare at$4,631.25
You save $926.2520% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 35ft. Pre-Charged Line Sets (6K+12K), DIYM227HPW00D11 — MRCOOL model DIYM227HPW00D11, prod Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 35ft. Pre-Charged Line Sets (6K+12K), DIYM227HPW00D11

Model: DIYM227HPW00D11
$4,250.00Compare at$5,312.50
You save $1,062.5020% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 25ft. Pre-Charged Line Sets (9K+9K), DIYM218HPW03D06 — MRCOOL model DIYM218HPW03D06, produ Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 25ft. Pre-Charged Line Sets (9K+9K), DIYM218HPW03D06

Model: DIYM218HPW03D06
$3,147.00Compare at$3,933.75
You save $786.7520% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 25ft. Pre-Charged Line Sets (6K+12K), DIYM227HPW00D06 — MRCOOL model DIYM227HPW00D06, prod Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 25ft. Pre-Charged Line Sets (6K+12K), DIYM227HPW00D06

Model: DIYM227HPW00D06
$3,774.00Compare at$4,717.00
You save $943.0019% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 25ft. Pre-Charged Line Sets (6K+12K), DIYM218HPW02D06 — MRCOOL model DIYM218HPW02D06, prod Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 25ft. Pre-Charged Line Sets (6K+12K), DIYM218HPW02D06

Model: DIYM218HPW02D06
$3,229.00Compare at$4,036.25
You save $807.2520% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 16ft. Pre-Charged Line Sets (9K+9K), DIYM218HPW03D00 — MRCOOL model DIYM218HPW03D00, produ Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 16ft. Pre-Charged Line Sets (9K+9K), DIYM218HPW03D00

Model: DIYM218HPW03D00
$3,073.00Compare at$3,841.25
You save $768.2520% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 16ft. Pre-Charged Line Sets (6K+12K), DIYM227HPW00D00 — MRCOOL model DIYM227HPW00D00, prod Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with 16ft. Pre-Charged Line Sets (6K+12K), DIYM227HPW00D00

Model: DIYM227HPW00D00
$3,700.00Compare at$4,625.00
You save $925.0020% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (9K+9K), DIY2-B-18HP0909 — MRCOOL model DIY2-B-18HP0909, product image 1 Current offer
MRCOOL

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

Model: DIY2-B-18HP0909
$2,619.00Compare at$3,273.75
You save $654.7520% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (6K+12K), DIY2-B-27HP0612 — MRCOOL model DIY2-B-27HP0612, product image 1 Current offer
MRCOOL

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

Model: DIY2-B-27HP0612
$3,246.00Compare at$4,057.50
You save $811.5020% off
Available to order View product details
MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (6K+12K), DIY2-B-18HP0612 — MRCOOL model DIY2-B-18HP0612, product image 1 Current offer
MRCOOL

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

Model: DIY2-B-18HP0612
$2,701.00Compare at$3,376.25
You save $675.2520% 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 with 16ft. Pre-Charged Line Sets (6K+12K), DIYM218HPC02D00 — MRCOOL model DIYM Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 16ft. Pre-Charged Line Sets (6K+12K), DIYM218HPC02D00

Model: DIYM218HPC02D00
$4,742.00Compare at$5,927.50
You save $1,185.5020% 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 with 50ft. Pre-Charged Line Sets (9K+9K), DIYM218HPC03D15 — MRCOOL model DIYM2 Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 50ft. Pre-Charged Line Sets (9K+9K), DIYM218HPC03D15

Model: DIYM218HPC03D15
$5,549.00Compare at$6,936.25
You save $1,387.2520% 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 with 50ft. Pre-Charged Line Sets (6K+12K), DIYM227HPC00D15 — MRCOOL model DIYM Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 50ft. Pre-Charged Line Sets (6K+12K), DIYM227HPC00D15

Model: DIYM227HPC00D15
$6,007.00Compare at$7,508.75
You save $1,501.7520% 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 with 50ft. Pre-Charged Line Sets (6K+12K), DIYM218HPC02D15 — MRCOOL model DIYM Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 50ft. Pre-Charged Line Sets (6K+12K), DIYM218HPC02D15

Model: DIYM218HPC02D15
$5,462.00Compare at$6,827.50
You save $1,365.5020% 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 with 35ft. Pre-Charged Line Sets (9K+9K), DIYM218HPC03D11 — MRCOOL model DIYM2 Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 35ft. Pre-Charged Line Sets (9K+9K), DIYM218HPC03D11

Model: DIYM218HPC03D11
$5,379.00Compare at$6,723.75
You save $1,344.7520% 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 with 35ft. Pre-Charged Line Sets (6K+12K), DIYM227HPC00D11 — MRCOOL model DIYM Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 35ft. Pre-Charged Line Sets (6K+12K), DIYM227HPC00D11

Model: DIYM227HPC00D11
$5,837.00Compare at$7,296.25
You save $1,459.2520% 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 with 35ft. Pre-Charged Line Sets (6K+12K), DIYM218HPC02D11 — MRCOOL model DIYM Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 35ft. Pre-Charged Line Sets (6K+12K), DIYM218HPC02D11

Model: DIYM218HPC02D11
$5,292.00Compare at$6,615.00
You save $1,323.0020% 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 with 25ft. Pre-Charged Line Sets (9K+9K), DIYM218HPC03D06 — MRCOOL model DIYM2 Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 25ft. Pre-Charged Line Sets (9K+9K), DIYM218HPC03D06

Model: DIYM218HPC03D06
$4,903.00Compare at$6,128.75
You save $1,225.7520% 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 with 25ft. Pre-Charged Line Sets (6K+12K), DIYM227HPC00D06 — MRCOOL model DIYM Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 25ft. Pre-Charged Line Sets (6K+12K), DIYM227HPC00D06

Model: DIYM227HPC00D06
$5,361.00Compare at$6,701.25
You save $1,340.2520% 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 with 25ft. Pre-Charged Line Sets (6K+12K), DIYM218HPC02D06 — MRCOOL model DIYM Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 25ft. Pre-Charged Line Sets (6K+12K), DIYM218HPC02D06

Model: DIYM218HPC02D06
$4,816.00Compare at$6,020.00
You save $1,204.0020% 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 with 16ft. Pre-Charged Line Sets (9K+9K), DIYM218HPC03D00 — MRCOOL model DIYM2 Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 16ft. Pre-Charged Line Sets (9K+9K), DIYM218HPC03D00

Model: DIYM218HPC03D00
$4,829.00Compare at$6,036.25
You save $1,207.2520% 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 with 16ft. Pre-Charged Line Sets (6K+12K), DIYM227HPC00D00 — MRCOOL model DIYM Current offer
MRCOOL

MRCOOL DIY 5th Gen 2-Zone 18,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with 16ft. Pre-Charged Line Sets (6K+12K), DIYM227HPC00D00

Model: DIYM227HPC00D00
$5,287.00Compare at$6,608.75
You save $1,321.7520% off
Available to order View product details
National Mini Splits resource center

Plan the complete project—not only the equipment.

Use these original guides as a starting point, then confirm the exact product manual, local requirements and qualified professional work where applicable.

01 · SizingBuild from a load calculation

Understand why climate, insulation, windows, occupancy and room use matter.

Read sizing guidance → 02 · InstallationPlan electrical, drainage and access

Review the project conditions that should be settled before equipment arrives.

Open installation planning → 03 · RefrigerantKeep generations and refrigerants matched

Do not assume indoor, outdoor or accessory components are interchangeable.

Review refrigerant changes → 04 · DocumentationSave model-specific records

Keep manuals, specifications, invoices, serials and applicable warranty terms together.

Use the document checklist → 05 · Video workshopWatch official MRCOOL demonstrations

Use product videos to supplement—not replace—the current installation manual.

Watch the video workshop → 06 · State planningVerify state and local requirements

Start with climate context and official regulatory gateways for all 50 states.

Choose a state guide →
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.