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National Mini Splits · MRCOOL equipment department

Air Handlers

Browse Air Handlers by exact model and intended system application. These listings can serve ductless, central or other equipment families; confirm approved connected equipment, capacity, voltage, refrigerant and generation instead of matching by appearance or category name alone.

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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
Olympus 24,000 BTU 2 Ton Ductless Mini-Split Wall Mounted Air Handler - 230V/60Hz (HVAC Technician Required), O-24-HP-WMAH-230C-O — MRCOOL model O-24-HP-WMAH-230C-O, product imageCurrent offer
MRCOOL Olympus 24,000 BTU 2 Ton Ductless Mini-Split Wall Mounted Air Handler - 230V/60Hz (HVAC Technician Required), O-24-HP-WMAH-230C-O O-24-HP-WMAH-230C-O
$588.00Compare at$735.00
You save $147.0020% off
Not sure where to begin?Open the Air Handlers 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 Air Handlers

Open all 71 products →
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 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-OOlympus 24,000 BTU 2 Ton Ductless Mini-Split Wall Mounted Air Handler - 230V/60Hz (HVAC Technician Required), O-24-HP-WMAH-230C-O — MRCOOL model O-24-HP-WMAH-230C-O, product imageOlympus 24,000 BTU 2 Ton Ductless Mini-Split Wall Mounted Air Handler - 230V/60Hz (HVAC Technician Required), O-24-HP-WMAH-230C-OO-24-HP-WMAH-230C-O

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

Current department71 products
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
You save $250.0016% off
Available to order View product details
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
$457.00Compare at$668.00
You save $211.0031% off
Available to order View product details
MRCOOL DIY 5th Gen 18K BTU Mini Split Ceiling Cassette Air Handler 230V, DIYCASSETTE18HP-230D25-O — MRCOOL model DIYCASSETTE18HP-230D25-O, product image 1 Current offer
MRCOOL

MRCOOL DIY 5th Gen 18K BTU Mini Split Ceiling Cassette Air Handler 230V, DIYCASSETTE18HP-230D25-O

Model: DIYCASSETTE18HP-230D25-O
$1,440.00Compare at$1,714.00
You save $274.0015% off
Available to order View product details
MRCOOL DIY 5th Gen 12K BTU Multi-Zone Mini Split Air Handler 230V, DIY-12-HP-WMAH-230D25-O — MRCOOL model DIY-12-HP-WMAH-230D25-O, product image 1 Current offer
MRCOOL

MRCOOL DIY 5th Gen 12K BTU Multi-Zone Mini Split Air Handler 230V, DIY-12-HP-WMAH-230D25-O

Model: DIY-12-HP-WMAH-230D25-O
$689.00Compare at$830.00
You save $141.0016% off
Available to order View product details
MRCOOL DIY 5th Gen 12K BTU Mini Split Ceiling Cassette Air Handler 230V, DIYCASSETTE12HP-230D25-O — MRCOOL model DIYCASSETTE12HP-230D25-O, product image 1 Current offer
MRCOOL

MRCOOL DIY 5th Gen 12K BTU Mini Split Ceiling Cassette Air Handler 230V, DIYCASSETTE12HP-230D25-O

Model: DIYCASSETTE12HP-230D25-O
$1,421.00Compare at$1,691.00
You save $270.0015% off
Available to order View product details
MRCOOL DIY 4th Generation 9K BTU Wall Mount Air Handler 230 Volt with Enhanced WiFi, DIY-09-HP-WMAH-230C25 — MRCOOL model DIY-09-HP-WMAH-230C25, product image 1
MRCOOL

MRCOOL DIY 4th Generation 9K BTU Wall Mount Air Handler 230 Volt with Enhanced WiFi, DIY-09-HP-WMAH-230C25

Model: DIY-09-HP-WMAH-230C25
$442.00
Available to order View product details
MRCOOL DIY 4th Generation 36K BTU Wall Mount Air Handler 230 Volt with Enhanced WiFi, DIY-36-HP-WMAH-230C25 — MRCOOL model DIY-36-HP-WMAH-230C25, product image 1
MRCOOL

MRCOOL DIY 4th Generation 36K BTU Wall Mount Air Handler 230 Volt with Enhanced WiFi, DIY-36-HP-WMAH-230C25

Model: DIY-36-HP-WMAH-230C25
$1,188.00
Available to order View product details
MRCOOL DIY 4th Generation 24K BTU Wall Mount Air Handler 230 Volt with Enhanced WiFi, DIY-24-HP-WMAH-230C25 — MRCOOL model DIY-24-HP-WMAH-230C25, product image 1
MRCOOL

MRCOOL DIY 4th Generation 24K BTU Wall Mount Air Handler 230 Volt with Enhanced WiFi, DIY-24-HP-WMAH-230C25

Model: DIY-24-HP-WMAH-230C25
$824.00
Available to order View product details
MRCOOL DIY 4th Generation 18K BTU Wall Mount Air Handler 230 Volt with Enhanced WiFi, DIY-18-HP-WMAH-230C25 — MRCOOL model DIY-18-HP-WMAH-230C25, product image 1
MRCOOL

MRCOOL DIY 4th Generation 18K BTU Wall Mount Air Handler 230 Volt with Enhanced WiFi, DIY-18-HP-WMAH-230C25

Model: DIY-18-HP-WMAH-230C25
$724.00
Available to order View product details
MRCOOL DIY 4th Generation 12K BTU Wall Mount Air Handler 230 Volt with Enhanced WiFi, DIY-12-HP-WMAH-230C25 — MRCOOL model DIY-12-HP-WMAH-230C25, product image 1
MRCOOL

MRCOOL DIY 4th Generation 12K BTU Wall Mount Air Handler 230 Volt with Enhanced WiFi, DIY-12-HP-WMAH-230C25

Model: DIY-12-HP-WMAH-230C25
$574.00
Available to order View product details
MRCOOL 60K BTU Hyper Heat Central Ducted Air Handler, CENTRAL-60-HP-MUAH230A00 — MRCOOL model CENTRAL-60-HP-MUAH230A00, product image 1
MRCOOL

MRCOOL 60K BTU Hyper Heat Central Ducted Air Handler, CENTRAL-60-HP-MUAH230A00

Model: CENTRAL-60-HP-MUAH230A00
$1,370.00
Available to order View product details
MRCOOL 5th Gen Advantage 9K BTU Wall Mount Air Handler 230V, A-09-HP-WMAH-230D-O — MRCOOL model A-09-HP-WMAH-230D-O, product image 1
MRCOOL

MRCOOL 5th Gen Advantage 9K BTU Wall Mount Air Handler 230V, A-09-HP-WMAH-230D-O

Model: A-09-HP-WMAH-230D-O
$286.35
Available to order View product details
MRCOOL 5th Gen Advantage 9K BTU Wall Mount Air Handler 115V, A-09-HP-WMAH-115D-O — MRCOOL model A-09-HP-WMAH-115D-O, product image 1
MRCOOL

MRCOOL 5th Gen Advantage 9K BTU Wall Mount Air Handler 115V, A-09-HP-WMAH-115D-O

Model: A-09-HP-WMAH-115D-O
$299.00
Available to order View product details
MRCOOL 5th Gen Advantage 36K BTU Wall Mount Air Handler 230V, A-36-HP-WMAH-230D-O — MRCOOL model A-36-HP-WMAH-230D-O, product image 1
MRCOOL

MRCOOL 5th Gen Advantage 36K BTU Wall Mount Air Handler 230V, A-36-HP-WMAH-230D-O

Model: A-36-HP-WMAH-230D-O
$737.15
Available to order View product details
MRCOOL 5th Gen Advantage 24K BTU Wall Mount Air Handler 230V, A-24-HP-WMAH-230D-O — MRCOOL model A-24-HP-WMAH-230D-O, product image 1
MRCOOL

MRCOOL 5th Gen Advantage 24K BTU Wall Mount Air Handler 230V, A-24-HP-WMAH-230D-O

Model: A-24-HP-WMAH-230D-O
$523.25
Available to order View product details
MRCOOL 5th Gen Advantage 18K BTU Wall Mount Air Handler 230V, A-18-HP-WMAH-230D-O — MRCOOL model A-18-HP-WMAH-230D-O, product image 1
MRCOOL

MRCOOL 5th Gen Advantage 18K BTU Wall Mount Air Handler 230V, A-18-HP-WMAH-230D-O

Model: A-18-HP-WMAH-230D-O
$435.85
Available to order View product details
MRCOOL 5th Gen Advantage 12K BTU Wall Mount Air Handler 230V, A-12-HP-WMAH-230D-O — MRCOOL model A-12-HP-WMAH-230D-O, product image 1
MRCOOL

MRCOOL 5th Gen Advantage 12K BTU Wall Mount Air Handler 230V, A-12-HP-WMAH-230D-O

Model: A-12-HP-WMAH-230D-O
$339.25
Available to order View product details
MRCOOL 5th Gen Advantage 12K BTU Wall Mount Air Handler 115V, A-12-HP-WMAH-115D-O — MRCOOL model A-12-HP-WMAH-115D-O, product image 1
MRCOOL

MRCOOL 5th Gen Advantage 12K BTU Wall Mount Air Handler 115V, A-12-HP-WMAH-115D-O

Model: A-12-HP-WMAH-115D-O
$350.75
Available to order View product details
MRCOOL 48K BTU Hyper Heat Central Ducted Air Handler, CENTRAL-48-HP-MUAH230A00 — MRCOOL model CENTRAL-48-HP-MUAH230A00, product image 1
MRCOOL

MRCOOL 48K BTU Hyper Heat Central Ducted Air Handler, CENTRAL-48-HP-MUAH230A00

Model: CENTRAL-48-HP-MUAH230A00
$1,223.00
Available to order View product details
MRCOOL 36K Split System Ducted DIY Hybrid Air Handler, DIY-36-HP-MUAH-230D25-O — MRCOOL model DIY-36-HP-MUAH-230D25-O, product image 1 Current offer
MRCOOL

MRCOOL 36K Split System Ducted DIY Hybrid Air Handler, DIY-36-HP-MUAH-230D25-O

Model: DIY-36-HP-MUAH-230D25-O
$1,153.00Compare at$1,441.25
You save $288.2520% off
Available to order View product details
MRCOOL 36K BTU Hyper Heat Central Ducted Air Handler, CENTRAL-36-HP-MUAH230A00 — MRCOOL model CENTRAL-36-HP-MUAH230A00, product image 1
MRCOOL

MRCOOL 36K BTU Hyper Heat Central Ducted Air Handler, CENTRAL-36-HP-MUAH230A00

Model: CENTRAL-36-HP-MUAH230A00
$1,098.00
Available to order View product details
MRCOOL 24K Split System Ducted DIY Hybrid Air Handler, DIY-24-HP-MUAH-230D25-O — MRCOOL model DIY-24-HP-MUAH-230D25-O, product image 1 Current offer
MRCOOL

MRCOOL 24K Split System Ducted DIY Hybrid Air Handler, DIY-24-HP-MUAH-230D25-O

Model: DIY-24-HP-MUAH-230D25-O
$1,000.00Compare at$1,250.00
You save $250.0020% off
Available to order View product details
MRCOOL 24K Hyper Heat Central Ducted Air Handler, CENTRAL-24-HP-MUAH230A00 — MRCOOL model CENTRAL-24-HP-MUAH230A00, product image 1
MRCOOL

MRCOOL 24K Hyper Heat Central Ducted Air Handler, CENTRAL-24-HP-MUAH230A00

Model: CENTRAL-24-HP-MUAH230A00
$1,009.00
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 Air Handlers

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

Air Handlers can appear in ductless, central and specialized systems. Begin with the exact equipment family and application rather than assuming that every product in this broad component category belongs in the same system path.

Confirm the complete connected model numbers, capacity, voltage, refrigerant, generation, controls and required accessories. Use current manufacturer compatibility documentation before combining any indoor and outdoor equipment.

Common buying questions

Air Handlers 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.