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National Mini Splits · MRCOOL equipment department

Central Systems

Browse Central Systems for ducted heating and cooling projects. Compare complete model numbers, capacity, cabinet and airflow requirements, voltage, controls and current matched-system documentation before ordering.

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MRCOOL DIY 5th Gen 27,000 BTU Multi-Zone Mini Split Condenser 230V, DIY-MULTI4-27HP230D-O — MRCOOL model DIY-MULTI4-27HP230D-O, product image 1Current offer
MRCOOL MRCOOL DIY 5th Gen 27,000 BTU Multi-Zone Mini Split Condenser 230V, DIY-MULTI4-27HP230D-O DIY-MULTI4-27HP230D-O
$2,100.00Compare at$2,625.00
You save $525.0020% off
Olympus 9,000 BTU 3/4 Ton Ducted Mini-Split Air Handler - 230V/60Hz (HVAC Technician Required), DUCT-09HP-230B-O — MRCOOL model DUCT-09HP-230B-O, product image 1Current offer
MRCOOL Olympus 9,000 BTU 3/4 Ton Ducted Mini-Split Air Handler - 230V/60Hz (HVAC Technician Required), DUCT-09HP-230B-O DUCT-09HP-230B-O
$728.00Compare at$910.00
You save $182.0020% off
Olympus 9,000 BTU 3/4 Ton Ductless Mini-Split Wall Mounted Air Handler - 230V/60Hz (HVAC Technician Required), O-09-HP-WMAH-230C-O — MRCOOL model O-09-HP-WMAH-230C-O, product imageCurrent offer
MRCOOL Olympus 9,000 BTU 3/4 Ton Ductless Mini-Split Wall Mounted Air Handler - 230V/60Hz (HVAC Technician Required), O-09-HP-WMAH-230C-O O-09-HP-WMAH-230C-O
$372.00Compare at$465.00
You save $93.0020% off
Olympus 24,000 BTU 2 Ton Ductless Mini-Split Ceiling Cassette with Panel - 230V/60Hz (HVAC Technician Required), CASSETTE24HP-230C-P-O — MRCOOL model CASSETTE24HP-230C-P-O, productCurrent offer
MRCOOL Olympus 24,000 BTU 2 Ton Ductless Mini-Split Ceiling Cassette with Panel - 230V/60Hz (HVAC Technician Required), CASSETTE24HP-230C-P-O CASSETTE24HP-230C-P-O
$806.00Compare at$967.00
You save $161.0016% off
Olympus 18,000 BTU 1.5 Ton Ducted Mini-Split Air Handler - 230V/60Hz (HVAC Technician Required), DUCT-18HP-230B-O — MRCOOL model DUCT-18HP-230B-O, product image 1Current offer
MRCOOL Olympus 18,000 BTU 1.5 Ton Ducted Mini-Split Air Handler - 230V/60Hz (HVAC Technician Required), DUCT-18HP-230B-O DUCT-18HP-230B-O
$839.00Compare at$1,048.75
You save $209.7520% off
Olympus 18,000 BTU 1.5 Ton Ductless Mini-Split Ceiling Cassette with Panel - 230V/60Hz (HVAC Technician Required), CASSETTE18HP-230C-P-O — MRCOOL model CASSETTE18HP-230C-P-O, produCurrent offer
MRCOOL Olympus 18,000 BTU 1.5 Ton Ductless Mini-Split Ceiling Cassette with Panel - 230V/60Hz (HVAC Technician Required), CASSETTE18HP-230C-P-O CASSETTE18HP-230C-P-O
$659.00Compare at$775.00
You save $116.0014% off
Not sure where to begin?Open the Central 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.

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MRCOOL DIY 5th Gen 27,000 BTU Multi-Zone Mini Split Condenser 230V, DIY-MULTI4-27HP230D-O — MRCOOL model DIY-MULTI4-27HP230D-O, product image 1MRCOOL DIY 5th Gen 27,000 BTU Multi-Zone Mini Split Condenser 230V, DIY-MULTI4-27HP230D-ODIY-MULTI4-27HP230D-OOlympus 9,000 BTU 3/4 Ton Ducted Mini-Split Air Handler - 230V/60Hz (HVAC Technician Required), DUCT-09HP-230B-O — MRCOOL model DUCT-09HP-230B-O, product image 1Olympus 9,000 BTU 3/4 Ton Ducted Mini-Split Air Handler - 230V/60Hz (HVAC Technician Required), DUCT-09HP-230B-ODUCT-09HP-230B-OOlympus 9,000 BTU 3/4 Ton Ductless Mini-Split Wall Mounted Air Handler - 230V/60Hz (HVAC Technician Required), O-09-HP-WMAH-230C-O — MRCOOL model O-09-HP-WMAH-230C-O, product imageOlympus 9,000 BTU 3/4 Ton Ductless Mini-Split Wall Mounted Air Handler - 230V/60Hz (HVAC Technician Required), O-09-HP-WMAH-230C-OO-09-HP-WMAH-230C-OOlympus 24,000 BTU 2 Ton Ductless Mini-Split Ceiling Cassette with Panel - 230V/60Hz (HVAC Technician Required), CASSETTE24HP-230C-P-O — MRCOOL model CASSETTE24HP-230C-P-O, productOlympus 24,000 BTU 2 Ton Ductless Mini-Split Ceiling Cassette with Panel - 230V/60Hz (HVAC Technician Required), CASSETTE24HP-230C-P-OCASSETTE24HP-230C-P-OOlympus 18,000 BTU 1.5 Ton Ducted Mini-Split Air Handler - 230V/60Hz (HVAC Technician Required), DUCT-18HP-230B-O — MRCOOL model DUCT-18HP-230B-O, product image 1Olympus 18,000 BTU 1.5 Ton Ducted Mini-Split Air Handler - 230V/60Hz (HVAC Technician Required), DUCT-18HP-230B-ODUCT-18HP-230B-OOlympus 18,000 BTU 1.5 Ton Ductless Mini-Split Ceiling Cassette with Panel - 230V/60Hz (HVAC Technician Required), CASSETTE18HP-230C-P-O — MRCOOL model CASSETTE18HP-230C-P-O, produOlympus 18,000 BTU 1.5 Ton Ductless Mini-Split Ceiling Cassette with Panel - 230V/60Hz (HVAC Technician Required), CASSETTE18HP-230C-P-OCASSETTE18HP-230C-P-O

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

Current department322 products
MRCOOL Signature 2.5 Ton 30K BTU Split Heat Pump Condenser, MCAESHS4T3021AA — MRCOOL model MCAESHS4T3021AA, product image 1
MRCOOL

MRCOOL Signature 2.5 Ton 30K BTU Split Heat Pump Condenser, MCAESHS4T3021AA

Model: MCAESHS4T3021AA
$1,642.48
Available to order View product details
MRCOOL Signature 2.5 Ton 30K BTU Split System Multi-Position Air Handler, MCAEAMPEF30C21AA — MRCOOL model MCAEAMPEF30C21AA, product image 1
MRCOOL

MRCOOL Signature 2.5 Ton 30K BTU Split System Multi-Position Air Handler, MCAEAMPEF30C21AA

Model: MCAEAMPEF30C21AA
$1,267.09
Available to order View product details
MRCOOL Signature 1.5 Ton 18K BTU Split Heat Pump Condenser, MCAESHS4T1821AA — MRCOOL model MCAESHS4T1821AA, product image 1
MRCOOL

MRCOOL Signature 1.5 Ton 18K BTU Split Heat Pump Condenser, MCAESHS4T1821AA

Model: MCAESHS4T1821AA
$1,585.97
Available to order View product details
MRCOOLMCAEAMP4T3021AA Current offer
MRCOOL

MRCOOL Signature 2.5 Ton 30K BTU Cooling Only Central Ducted Split System, MCAEAMP4T3021AA

Model: MCAEAMP4T3021AA
$2,791.60Compare at$3,480.00
You save $688.4019% off
Available to order View product details
MRCOOL Olympus ENERGY STAR 9K BTU 0.75 Ton Ductless Mini-Split Heat Pump Condenser- 230V/60Hz, O-ES-09-HP-C-230 — MRCOOL model O-ES-09-HP-C-230, product image 1
MRCOOL

MRCOOL Olympus ENERGY STAR 9K BTU 0.75 Ton Ductless Mini-Split Heat Pump Condenser- 230V/60Hz, O-ES-09-HP-C-230

Model: O-ES-09-HP-C-230
$960.00
Available to order View product details
MRCOOLMCAEAMP4T3021AAHP Current offer
MRCOOL

MRCOOL Signature 2.5 Ton 30K BTU Central Ducted Heat Pump Split System, MCAEAMP4T3021AAHP

Model: MCAEAMP4T3021AAHP
$2,909.57Compare at$3,630.00
You save $720.4319% off
Available to order View product details
MRCOOL Olympus E Star 24,000 BTU 2 Ton Mini Split Heat Pump Condenser 230V/60Hz (HVAC Technician Required), O-ES-24-HP-C-230C-O1 — MRCOOL model O-ES-24-HP-C-230C-O1, product image Current offer
MRCOOL

MRCOOL Olympus E Star 24,000 BTU 2 Ton Mini Split Heat Pump Condenser 230V/60Hz (HVAC Technician Required), O-ES-24-HP-C-230C-O1

Model: O-ES-24-HP-C-230C-O1
$1,714.00Compare at$2,140.00
You save $426.0019% off
Available to order View product details
MRCOOL Olympus 4th Gen 36,000 BTU Multi-Zone Mini Split Heat Pump Condenser 230V/60Hz (HVAC Technician Required), MULTI5-36HP230C-O — MRCOOL model MULTI5-36HP230C-O, product image Current offer
MRCOOL

MRCOOL Olympus 4th Gen 36,000 BTU Multi-Zone Mini Split Heat Pump Condenser 230V/60Hz (HVAC Technician Required), MULTI5-36HP230C-O

Model: MULTI5-36HP230C-O
$2,501.00Compare at$3,126.25
You save $625.2520% off
Available to order View product details
MRCOOL Olympus E Star 9,000 BTU 3/4 Ton Mini Split Heat Pump Condenser 230V/60Hz (HVAC Technician Required), O-ES-09-HP-C-230C-O1 — MRCOOL model O-ES-09-HP-C-230C-O1, product image Current offer
MRCOOL

MRCOOL Olympus E Star 9,000 BTU 3/4 Ton Mini Split Heat Pump Condenser 230V/60Hz (HVAC Technician Required), O-ES-09-HP-C-230C-O1

Model: O-ES-09-HP-C-230C-O1
$1,061.00Compare at$1,278.31
You save $217.3116% off
Available to order View product details
MRCOOL Olympus 4th Gen 48,000 BTU Multi-Zone Mini Split Heat Pump Condenser 230V/60Hz (HVAC Technician Required), MULTI6-48HP230C-O — MRCOOL model MULTI6-48HP230C-O, product image Current offer
MRCOOL

MRCOOL Olympus 4th Gen 48,000 BTU Multi-Zone Mini Split Heat Pump Condenser 230V/60Hz (HVAC Technician Required), MULTI6-48HP230C-O

Model: MULTI6-48HP230C-O
$3,599.00Compare at$4,498.75
You save $899.7520% off
Available to order View product details
MRCOOL Olympus E Star 18,000 BTU 1.5 Ton Mini Split Heat Pump Condenser 230V/60Hz (HVAC Technician Required), O-ES-18-HP-C-230C-O1 — MRCOOL model O-ES-18-HP-C-230C-O1, product imag Current offer
MRCOOL

MRCOOL Olympus E Star 18,000 BTU 1.5 Ton Mini Split Heat Pump Condenser 230V/60Hz (HVAC Technician Required), O-ES-18-HP-C-230C-O1

Model: O-ES-18-HP-C-230C-O1
$1,341.00Compare at$1,670.00
You save $329.0019% off
Available to order View product details
MRCOOL Olympus Hyper Heat 9K BTU 0.75 Ton Ductless Mini-Split Heat Pump Condenser- 230V/60Hz, O-HH-09-HP-C-230 — MRCOOL model O-HH-09-HP-C-230, product image 1
MRCOOL

MRCOOL Olympus Hyper Heat 9K BTU 0.75 Ton Ductless Mini-Split Heat Pump Condenser- 230V/60Hz, O-HH-09-HP-C-230

Model: O-HH-09-HP-C-230
$1,123.00
Available to order View product details
MRCOOLMCAEAMP4T1821AAHP Current offer
MRCOOL

MRCOOL Signature 1.5 Ton 18K BTU Central Ducted Heat Pump Split System, MCAEAMP4T1821AAHP

Model: MCAEAMP4T1821AAHP
$2,713.71Compare at$3,385.00
You save $671.2919% off
Available to order View product details
MRCOOL Olympus Hyper Heat 12K BTU 1 Ton Ductless Mini Split Heat Pump Condenser- 230V/60Hz, O-HH-12-HP-C-230 — MRCOOL model O-HH-12-HP-C-230, product image 1
MRCOOL

MRCOOL Olympus Hyper Heat 12K BTU 1 Ton Ductless Mini Split Heat Pump Condenser- 230V/60Hz, O-HH-12-HP-C-230

Model: O-HH-12-HP-C-230
$1,145.00
Available to order View product details
MRCOOL Olympus 4th Gen 18,000 BTU Multi-Zone Mini Split Heat Pump Condenser 230V/60Hz (HVAC Technician Required), MULTI3-18HP230C-O — MRCOOL model MULTI3-18HP230C-O, product image Current offer
MRCOOL

MRCOOL Olympus 4th Gen 18,000 BTU Multi-Zone Mini Split Heat Pump Condenser 230V/60Hz (HVAC Technician Required), MULTI3-18HP230C-O

Model: MULTI3-18HP230C-O
$1,473.00Compare at$1,841.25
You save $368.2520% off
Available to order View product details
MRCOOL Olympus E Star 12,000 BTU 1 Ton Mini Split Heat Pump Condenser 230V/60Hz (HVAC Technician Required), O-ES-12-HP-C-230C-O1 — MRCOOL model O-ES-12-HP-C-230C-O1, product image Current offer
MRCOOL

MRCOOL Olympus E Star 12,000 BTU 1 Ton Mini Split Heat Pump Condenser 230V/60Hz (HVAC Technician Required), O-ES-12-HP-C-230C-O1

Model: O-ES-12-HP-C-230C-O1
$1,143.00Compare at$1,427.00
You save $284.0019% off
Available to order View product details
MRCOOL Olympus ENERGY STAR 24K BTU 2 Ton Ductless Mini Split Heat Pump Condenser- 230V/60Hz, O-ES-24-HP-C-230 — MRCOOL model O-ES-24-HP-C-230, product image 1
MRCOOL

MRCOOL Olympus ENERGY STAR 24K BTU 2 Ton Ductless Mini Split Heat Pump Condenser- 230V/60Hz, O-ES-24-HP-C-230

Model: O-ES-24-HP-C-230
$1,347.00
Available to order View product details
MRCOOL Olympus 4th Gen 27,000 BTU Multi-Zone Mini Split Heat Pump Condenser 230V/60Hz (HVAC Technician Required), MULTI4-27HP230C-O — MRCOOL model MULTI4-27HP230C-O, product image Current offer
MRCOOL

MRCOOL Olympus 4th Gen 27,000 BTU Multi-Zone Mini Split Heat Pump Condenser 230V/60Hz (HVAC Technician Required), MULTI4-27HP230C-O

Model: MULTI4-27HP230C-O
$1,932.00Compare at$2,415.00
You save $483.0020% off
Available to order View product details
MRCOOL DIY Series 12K BTU Ceiling Cassette, DIYCASSETTE12HP-230C25 — MRCOOL model DIYCASSETTE12HP-230C25, product image 1
MRCOOL

MRCOOL DIY Series 12K BTU Ceiling Cassette, DIYCASSETTE12HP-230C25

Model: DIYCASSETTE12HP-230C25
$1,186.00
Available to order View product details
MRCOOL DIY Series 18K BTU Ceiling Cassette, DIYCASSETTE18HP-230C25 — MRCOOL model DIYCASSETTE18HP-230C25, product image 1
MRCOOL

MRCOOL DIY Series 18K BTU Ceiling Cassette, DIYCASSETTE18HP-230C25

Model: DIYCASSETTE18HP-230C25
$1,199.00
Available to order View product details
MRCOOL DIY Series 9K BTU Ceiling Cassette, DIYCASSETTE09HP-230C25 — MRCOOL model DIYCASSETTE09HP-230C25, product image 1
MRCOOL

MRCOOL DIY Series 9K BTU Ceiling Cassette, DIYCASSETTE09HP-230C25

Model: DIYCASSETTE09HP-230C25
$1,177.00
Available to order View product details
MRCOOL DIY Multi-Zone 2-Zone 18K BTU Condenser, 4th Gen Series, DIY-MULTI2-18HP230C — MRCOOL model DIY-MULTI2-18HP230C, product image 1
MRCOOL

MRCOOL DIY Multi-Zone 2-Zone 18K BTU Condenser, 4th Gen Series, DIY-MULTI2-18HP230C

Model: DIY-MULTI2-18HP230C
$1,372.00
Available to order View product details
MRCOOL DIY 5th Gen EasyPro 24K BTU Single Zone Air Handler 230V with DIYPRO Cable, EZPRO-24-HP-WMAH-230DE-O — MRCOOL model EZPRO-24-HP-WMAH-230DE-O, product image 1 Current offer
MRCOOL

MRCOOL DIY 5th Gen EasyPro 24K BTU Single Zone Air Handler 230V with DIYPRO Cable, EZPRO-24-HP-WMAH-230DE-O

Model: EZPRO-24-HP-WMAH-230DE-O
$774.00Compare at$1,200.00
You save $426.0035% off
Available to order View product details
MRCOOL DIY Multi Zone 5-Zone 48K BTU Condenser, 4th Gen Series, DIY-MULTI5-48HP230C — MRCOOL model DIY-MULTI5-48HP230C, product image 1
MRCOOL

MRCOOL DIY Multi Zone 5-Zone 48K BTU Condenser, 4th Gen Series, DIY-MULTI5-48HP230C

Model: DIY-MULTI5-48HP230C
$2,814.00
Available to order View product details
MRCOOL DIY 5th Gen EasyPro 9K BTU Single Zone Condenser 115V with 11.5 ft. DIY Quick Connect Line Set (Not the Complete System), EZPRO-09-HP-C-11511DE-O — MRCOOL model EZPRO-09-HP Current offer
MRCOOL

MRCOOL DIY 5th Gen EasyPro 9K BTU Single Zone Condenser 115V with 11.5 ft. DIY Quick Connect Line Set (Not the Complete System), EZPRO-09-HP-C-11511DE-O

Model: EZPRO-09-HP-C-11511DE-O
$1,020.00Compare at$1,200.00
You save $180.0015% off
Available to order View product details
MRCOOL DIY 5th Gen EasyPro 24K BTU Single Zone Condenser 230V with 11.5 ft. DIY Quick Connect Line Set (Not the Complete System), EZPRO-24-HP-C-23011DE-O — MRCOOL model EZPRO-24-HP Current offer
MRCOOL

MRCOOL DIY 5th Gen EasyPro 24K BTU Single Zone Condenser 230V with 11.5 ft. DIY Quick Connect Line Set (Not the Complete System), EZPRO-24-HP-C-23011DE-O

Model: EZPRO-24-HP-C-23011DE-O
$1,375.00Compare at$2,500.00
You save $1,125.0045% off
Available to order View product details
MRCOOL DIY 5th Gen E Star 9K BTU Single Zone Mini Split Air Handler 115V, DIY-09-HP-WMAH-115D25-O — MRCOOL model DIY-09-HP-WMAH-115D25-O, product image 1 Current offer
MRCOOL

MRCOOL DIY 5th Gen E Star 9K BTU Single Zone Mini Split Air Handler 115V, DIY-09-HP-WMAH-115D25-O

Model: DIY-09-HP-WMAH-115D25-O
$745.00Compare at$887.00
You save $142.0016% off
Available to order View product details
MRCOOL DIY 5th Gen EasyPro 12K BTU Single Zone Air Handler 115V with DIYPRO Cable, EZPRO-12-HP-WMAH-115DE-O — MRCOOL model EZPRO-12-HP-WMAH-115DE-O, product image 1 Current offer
MRCOOL

MRCOOL DIY 5th Gen EasyPro 12K BTU Single Zone Air Handler 115V with DIYPRO Cable, EZPRO-12-HP-WMAH-115DE-O

Model: EZPRO-12-HP-WMAH-115DE-O
$561.00Compare at$860.00
You save $299.0034% off
Available to order View product details
MRCOOL DIY 5th Gen EasyPro 9K BTU Single Zone Air Handler 115V with DIYPRO Cable, EZPRO-09-HP-WMAH-115DE-O — MRCOOL model EZPRO-09-HP-WMAH-115DE-O, product image 1 Current offer
MRCOOL

MRCOOL DIY 5th Gen EasyPro 9K BTU Single Zone Air Handler 115V with DIYPRO Cable, EZPRO-09-HP-WMAH-115DE-O

Model: EZPRO-09-HP-WMAH-115DE-O
$549.00Compare at$840.00
You save $291.0034% off
Available to order View product details
MRCOOL DIY 5th Gen EasyPro 18K BTU Single Zone Air Handler 230V with DIYPRO Cable, EZPRO-18-HP-WMAH-230DE-O — MRCOOL model EZPRO-18-HP-WMAH-230DE-O, product image 1 Current offer
MRCOOL

MRCOOL DIY 5th Gen EasyPro 18K BTU Single Zone Air Handler 230V with DIYPRO Cable, EZPRO-18-HP-WMAH-230DE-O

Model: EZPRO-18-HP-WMAH-230DE-O
$621.00Compare at$976.00
You save $355.0036% off
Available to order View product details
MRCOOL DIY 5th Gen E Star 9K BTU Single Zone Mini Split Condenser with 25 ft. Line Set 115V, DIY-09-HP-C-115D25-O — MRCOOL model DIY-09-HP-C-115D25-O, product image 1
MRCOOL

MRCOOL DIY 5th Gen E Star 9K BTU Single Zone Mini Split Condenser with 25 ft. Line Set 115V, DIY-09-HP-C-115D25-O

Model: DIY-09-HP-C-115D25-O
$1,584.00
Available to order View product details
MRCOOL DIY 5th Gen EasyPro 18K BTU Single Zone Condenser 230V with 11.5 ft. DIY Quick Connect Line Set (Not the Complete System), EZPRO-18-HP-C-23011DE-O — MRCOOL model EZPRO-18-HP Current offer
MRCOOL

MRCOOL DIY 5th Gen EasyPro 18K BTU Single Zone Condenser 230V with 11.5 ft. DIY Quick Connect Line Set (Not the Complete System), EZPRO-18-HP-C-23011DE-O

Model: EZPRO-18-HP-C-23011DE-O
$1,206.00Compare at$1,902.00
You save $696.0036% off
Available to order View product details
MRCOOL DIY 5th Gen E Star 36K BTU Single Zone Mini Split Condenser with 25 ft. Line Set 230V, DIY-36-HP-C-230D25-O — MRCOOL model DIY-36-HP-C-230D25-O, product image 1
MRCOOL

MRCOOL DIY 5th Gen E Star 36K BTU Single Zone Mini Split Condenser with 25 ft. Line Set 230V, DIY-36-HP-C-230D25-O

Model: DIY-36-HP-C-230D25-O
$2,488.00
Available to order View product details
MRCOOL DIY 5th Gen E Star 24K BTU Single Zone Mini Split Condenser with 25 ft. Line Set 230V, DIY-24-HP-C-230D25-O — MRCOOL model DIY-24-HP-C-230D25-O, product image 1
MRCOOL

MRCOOL DIY 5th Gen E Star 24K BTU Single Zone Mini Split Condenser with 25 ft. Line Set 230V, DIY-24-HP-C-230D25-O

Model: DIY-24-HP-C-230D25-O
$2,364.00
Available to order View product details
MRCOOL DIY 5th Gen E Star 12K BTU Single Zone Mini Split Condenser with 25 ft. Line Set 115V, DIY-12-HP-C-115D25-O — MRCOOL model DIY-12-HP-C-115D25-O, product image 1
MRCOOL

MRCOOL DIY 5th Gen E Star 12K BTU Single Zone Mini Split Condenser with 25 ft. Line Set 115V, DIY-12-HP-C-115D25-O

Model: DIY-12-HP-C-115D25-O
$1,581.00
Available to order View product details
MRCOOL DIY 5th Gen E Star 36K BTU Single Zone Mini Split Air Handler 230V, DIY-36-HP-WMAH-230D25-O — MRCOOL model DIY-36-HP-WMAH-230D25-O, product image 1 Current offer
MRCOOL

MRCOOL DIY 5th Gen E Star 36K BTU Single Zone Mini Split Air Handler 230V, DIY-36-HP-WMAH-230D25-O

Model: DIY-36-HP-WMAH-230D25-O
$1,281.00Compare at$1,525.00
You save $244.0016% off
Available to order View product details
MRCOOL DIY 5th Gen EasyPro 12K BTU Single Zone Condenser 115V with 11.5 ft. DIY Quick Connect Line Set (Not the Complete System), EZPRO-12-HP-C-11511DE-O — MRCOOL model EZPRO-12-HP Current offer
MRCOOL

MRCOOL DIY 5th Gen EasyPro 12K BTU Single Zone Condenser 115V with 11.5 ft. DIY Quick Connect Line Set (Not the Complete System), EZPRO-12-HP-C-11511DE-O

Model: EZPRO-12-HP-C-11511DE-O
$1,088.00Compare at$1,400.00
You save $312.0022% off
Available to order View product details
MRCOOL DIY 5th Gen E Star 18K BTU Single Zone Mini Split Condenser with 25 ft. Line Set 230V, DIY-18-HP-C-230D25-O — MRCOOL model DIY-18-HP-C-230D25-O, product image 1
MRCOOL

MRCOOL DIY 5th Gen E Star 18K BTU Single Zone Mini Split Condenser with 25 ft. Line Set 230V, DIY-18-HP-C-230D25-O

Model: DIY-18-HP-C-230D25-O
$1,978.00
Available to order View product details
MRCOOL DIY 5th Gen E Star 24K BTU Single Zone Mini Split Air Handler 230V, DIY-24-HP-WMAH-230D25-O — MRCOOL model DIY-24-HP-WMAH-230D25-O, product image 1 Current offer
MRCOOL

MRCOOL DIY 5th Gen E Star 24K BTU Single Zone Mini Split Air Handler 230V, DIY-24-HP-WMAH-230D25-O

Model: DIY-24-HP-WMAH-230D25-O
$965.00Compare at$1,149.00
You save $184.0016% off
Available to order View product details
MRCOOL DIY 5th Gen E Star 12K BTU Single Zone Mini Split Air Handler 115V, DIY-12-HP-WMAH-115D25-O — MRCOOL model DIY-12-HP-WMAH-115D25-O, product image 1 Current offer
MRCOOL

MRCOOL DIY 5th Gen E Star 12K BTU Single Zone Mini Split Air Handler 115V, DIY-12-HP-WMAH-115D25-O

Model: DIY-12-HP-WMAH-115D25-O
$778.00Compare at$926.00
You save $148.0015% off
Available to order View product details
MRCOOL DIY 5th Gen 9K BTU Multi-Zone Mini Split Air Handler 230V, DIY-09-HP-WMAH-230D25-O — MRCOOL model DIY-09-HP-WMAH-230D25-O, product image 1 Current offer
MRCOOL

MRCOOL DIY 5th Gen 9K BTU Multi-Zone Mini Split Air Handler 230V, DIY-09-HP-WMAH-230D25-O

Model: DIY-09-HP-WMAH-230D25-O
$532.00Compare at$633.00
You save $101.0015% off
Available to order View product details
MRCOOL DIY 5th Gen 9K BTU Mini Split Ceiling Cassette Air Handler 230V, DIYCASSETTE09HP-230D25-O — MRCOOL model DIYCASSETTE09HP-230D25-O, product image 1 Current offer
MRCOOL

MRCOOL DIY 5th Gen 9K BTU Mini Split Ceiling Cassette Air Handler 230V, DIYCASSETTE09HP-230D25-O

Model: DIYCASSETTE09HP-230D25-O
$1,410.00Compare at$1,679.00
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MRCOOL DIY 5th Gen E Star 18K BTU Single Zone Mini Split Air Handler 230V, DIY-18-HP-WMAH-230D25-O — MRCOOL model DIY-18-HP-WMAH-230D25-O, product image 1 Current offer
MRCOOL

MRCOOL DIY 5th Gen E Star 18K BTU Single Zone Mini Split Air Handler 230V, DIY-18-HP-WMAH-230D25-O

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$931.00Compare at$1,108.00
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MRCOOL DIY 5th Gen 6K BTU Mini Split Ceiling Cassette Air Handler 230V, DIYCASSETTE06HP-230D25-O — MRCOOL model DIYCASSETTE06HP-230D25-O, product image 1 Current offer
MRCOOL

MRCOOL DIY 5th Gen 6K BTU Mini Split Ceiling Cassette Air Handler 230V, DIYCASSETTE06HP-230D25-O

Model: DIYCASSETTE06HP-230D25-O
$1,312.00Compare at$1,562.00
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MRCOOL DIY 5th Gen 6K BTU Multi-Zone Mini Split Air Handler 230V, DIY-06-HP-WMAH-230D25-O — MRCOOL model DIY-06-HP-WMAH-230D25-O, product image 1 Current offer
MRCOOL

MRCOOL DIY 5th Gen 6K BTU Multi-Zone Mini Split Air Handler 230V, DIY-06-HP-WMAH-230D25-O

Model: DIY-06-HP-WMAH-230D25-O
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MRCOOL DIY 5th Gen 55,000 BTU Multi-Zone Mini Split Condenser 230V, DIY-MULTI6-55HP230D-O — MRCOOL model DIY-MULTI6-55HP230D-O, product image 1 Current offer
MRCOOL

MRCOOL DIY 5th Gen 55,000 BTU Multi-Zone Mini Split Condenser 230V, DIY-MULTI6-55HP230D-O

Model: DIY-MULTI6-55HP230D-O
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MRCOOL DIY 5th Gen 48,000 BTU Multi-Zone Mini Split Condenser 230V, DIY-MULTI6-48HP230D-O — MRCOOL model DIY-MULTI6-48HP230D-O, product image 1 Current offer
MRCOOL

MRCOOL DIY 5th Gen 48,000 BTU Multi-Zone Mini Split Condenser 230V, DIY-MULTI6-48HP230D-O

Model: DIY-MULTI6-48HP230D-O
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MRCOOL DIY 5th Gen 36,000 BTU Multi-Zone Mini Split Condenser 230V, DIY-MULTI5-36HP230D-O — MRCOOL model DIY-MULTI5-36HP230D-O, product image 1 Current offer
MRCOOL

MRCOOL DIY 5th Gen 36,000 BTU Multi-Zone Mini Split Condenser 230V, DIY-MULTI5-36HP230D-O

Model: DIY-MULTI5-36HP230D-O
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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 Central Systems

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

Central HVAC pages include complete systems and individual components. A heat pump, air handler, coil or furnace may have a similar family name without being an approved rated match.

Review the complete equipment match, capacity, voltage, electrical requirements, cabinet orientation and dimensions, duct needs, efficiency certification where applicable, controls and installation documentation before ordering.

Common buying questions

Central 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.