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MRCOOL 48K BTU 21.8 SEER2 Wall Mount Mini Split System 5th Gen 2-Zone 9+18

By MRCOOL | Model: DIY-MULTI6-48HP230D-O / DIY-09-HP-WMAH-230D25-O / DIY-18-HP-WMAH-230D25-O | ID: 50338
No Sales Tax - in most states excluding California
Manufacturer Warranty Included
Satisfaction Guarantee - or return within 30 Days
Most Products In Stock - Call or Text (833) 658-3387 for availability
$4,691.00 + FREE SHIPPING

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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 48,000 BTU Multi Zone Mini Split Heat Pump Condenser is a powerful and efficient solution designed to heat and cool up to six separate spaces, covering approximately 2,000 square feet. Built for true DIY installation, this system allows homeowners to install without the need for an HVAC professional, helping save both time and installation costs while delivering reliable whole-home comfort.

This condenser achieves impressive efficiency ratings of up to 21.8 SEER2 and 10 HSPF2-4, ensuring dependable year-round performance with controlled energy usage. It supports up to six indoor air handlers, providing customized comfort across multiple zones. Installation is simplified using patented Quick Connect line sets pre-charged with environmentally friendly R-454B refrigerant. These line sets are sold separately and eliminate the need for vacuum pumps or specialized HVAC tools.

Advanced comfort control is available through the SmartHVAC app, allowing users to set temperatures, schedules, and operating modes while monitoring energy usage directly from a mobile device. Voice control compatibility with Amazon Alexa and Google Assistant adds hands-free convenience. Designed for long-term durability, this condenser includes the DIYPRO cable to eliminate the need for electrical conduit and is Intertek listed for safety and performance. Backed by one of the strongest warranties in the HVAC industry, this system delivers confidence and peace of mind.

Key Features

  • DIY Installation: Designed for easy installation without professional HVAC assistance
  • Multi Zone Capability: Supports up to six indoor air handlers
  • High Efficiency: Up to 21.8 SEER2 and 10 HSPF2-4 ratings
  • R-454B Refrigerant: Eco-friendly and more efficient than previous refrigerants
  • Quick Connect Line Sets: Pre-charged for fast installation (sold separately)
  • Smart Control: SmartHVAC app with Amazon Alexa and Google Assistant support
  • DIYPRO Cable Included: Eliminates the need for electrical conduit
  • Follow Me Function: Remote tracks temperature around you for enhanced comfort
  • Certified Quality: Intertek listed for tested safety and performance

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

The MRCOOL DIY 5th Generation 9K BTU Ductless Mini Split Heat Pump Air Handler is a powerful and energy-efficient solution for heating and cooling spaces up to 400 sq. ft. Designed for easy DIY installation, this system requires no specialized tools or professional assistance, making setup fast, simple, and cost-effective. The pre-charged 25-foot DIY QuickConnect line set (sold separately), filled with R-454B refrigerant, eliminates the need for vacuuming and reduces installation time. The included DIYPRO cable removes the need for electrical conduit while providing enhanced durability against outdoor elements and wildlife.

Key Features:

  • 9,000 BTU Capacity: Efficient heating and cooling for areas up to 400 sq. ft.
  • DIY QuickConnect Technology: Pre-charged line set eliminates vacuuming (line set sold separately).
  • R-454B Refrigerant: Eco-friendly refrigerant used in 5th Generation systems.
  • DIYPRO Cable Included: No electrical conduit required for enhanced durability.
  • Smart Control Options: Remote control, SmartHVAC app, and voice assistant support.
  • Follow Me Function: Adjusts airflow based on remote location.
  • Dry Mode: Helps reduce indoor humidity.
  • Gold Fin Protection: Enhanced corrosion resistance for coastal environments.
  • Intertek Listed: Certified for safety and performance (5031495).

MRCOOL 18K BTU Mini Split Air Handler DIY 5th Generation Wall Mount 230V DIY-18-HP-WMAH-230D25-O

The MRCOOL DIY-18-HP-WMAH-230D25-O is a 18,000 BTU wall-mounted air handler designed for MRCOOL DIY® 5th Generation ductless mini-split systems. This indoor unit delivers efficient heating and cooling for small residential and light commercial spaces while supporting true DIY installation when paired with a compatible MRCOOL condenser.

Key Features

  • 18,000 BTU wall-mounted air handler for ductless mini-split systems
  • Compatible with MRCOOL DIY® 5th Generation single-zone systems
  • 208/230V power supply for standard residential electrical connections
  • DIY-friendly installation with QuickConnect® line set compatibility
  • Wi-Fi enabled for SmartHVAC app remote control
  • Works with Amazon Alexa and Google Assistant
  • Quiet operation with multiple fan speed settings
  • Energy-efficient heating and cooling performance
  • Washable and reusable air filter for easy maintenance

View More 2 Zone Mini Splits

Specifications

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

Brand MRCOOL SKU DIY-MULTI6-48HP230D-O
Cooling Capacity 43,000 BTU/h Heating Capacity 48,000 BTU/h
Tonnage 4 Ton Zone Capacity Up to 6 Zones
SEER2 21.8 EER2 12
HSPF2-4 10 HSPF2-5 7.8
Refrigerant Type R-454B Refrigerant Volume 148.15 oz
Voltage 208/230V Phase 1
Cycle 60 Hz Inverter Type DC Inverter
Max Fuse Breaker 45 A Min Circuit Ampacity 40 A
Decibel Rating 64 dBA Color White
Line Set Length 25 ft Max Line Set Length 221.4 ft
Liquid Line Size 1/4 in Suction Line Size (3/8 x 4) & (1/2 x 2)
Compressor Motor Type Rotary Net Weight 223.77 lbs
Net Dimensions (WxHxD) 37.48 x 52.48 x 16.34 in Gross Weight 256 lbs
Replaces DIY-MULTI5-48HP230C UPC 840255587471

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

Brand MRCOOL SKU DIY-09-HP-WMAH-230D25-O
Cooling Capacity 9,000 BTU/h Heating Capacity 9,000 BTU/h
Refrigerant Type R-454B (5th Gen systems only) Mounting Type Wall-Mounted
Control Options Remote, SmartHVAC App (Wi-Fi), Alexa, Google Assistant Max Coverage Area 400 sq. ft.
Voltage 208/230V Phase 1
Cycle 60 Hz Replaces DIY-09-HP-WMAH-230C25
Oscillation Yes Filter Type Reusable
Net Dimensions (WxHxD) 31.57" x 11.69" x 7.44" Net Weight 24.47 lbs
Gross Dimensions (WxHxD) 36.02" x 14.37" x 16.34" Gross Weight 35.05 lbs

MRCOOL 18K BTU DIY Air Handler 5th Generation Mini-split Wall Mount 230V DIY-18-HP-WMAH-230D25-O

Brand MRCOOL SKU DIY-18-HP-WMAH-230D25-O
Tonnage 1.5 Weight (lbs) 35.49
Voltage (V) 208/230 Phase 1
Cycle 60 Max Fuse Breaker (A) 15
Min Circuit Ampacity (A) 3 Mount Type Wall
Replaces DIY-18-HP-WMAH-230C25 Max Coverage Area 800 sqft
Decibel Rating Low (dBA) 19 Decibel Rating High (dBA) 54.5
Number of Speeds 5 Oscillation Yes
Liquid Line Size 1/4 Suction Line Size 1/2
Filter Type Reusable Fan Only Option Yes
Quiet Mode Yes WiFi Compatibility Yes
Remote Control Included Yes Energy Star Certified Yes
AHRI Certified Yes UL Listed Yes
ETL Listed Yes Net Dimensions (W×H×D) 42.52 × 13.19 × 8.9 in
Gross Dimensions (W×H×D) 46.73 × 14.29 × 17.68 in Gross Weight (lbs) 49.6
Warranty 5-Years Parts, 7-Years Compressor Proposition 65 Warning Yes
Warranty

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

Warranty Coverage
Parts 5 Years
Compressor 7 Years

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

Warranty Coverage
Parts 5 Years
Compressor 7 Years

MRCOOL 18K BTU Mini Split Air Handler DIY 5th Generation Wall Mount 230V DIY-18-HP-WMAH-230D25-O

Warranty Type Parts Compressor
Standard Warranty 5 years 7 years
Documents

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

Brochure

Installation Manual

Remote Manual

Service Manual

Warranty Document

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

Brochure

Product Catalog

Installation Manual

Remote Manual

Warranty Document

MRCOOL 18K BTU Mini Split Air Handler DIY 5th Generation Wall Mount 230V DIY-18-HP-WMAH-230D25-O

DIY 5th Gen Air Handler Brochure

DIY 5th Gen Air Handler Install Manual

DIY 5th Gen Air Handler Owner Manual

DIY 5th Gen Air Handler Remote Manual

DIY 5th Gen Air Handler Service Manual

DIY 5th Gen Air Handler Warranty Doc

DIY 5th Gen Air Handler Accessory Manual

Shipping

We ship freight to the 48 contiguous states, excluding Hawaii and Alaska. Some shipping restrictions may apply. Liftgate services may incur an additional fee, which can be added at checkout.

Order Processing: Orders are processed within 1-3 business days (excluding weekends). Orders placed on Fridays will be processed the next business day. Once shipped, you’ll receive an email confirmation with tracking details. Backordered products may have longer processing times, and we will notify you of any delays.

Arrival of Goods: Freight delivery times depend on the carrier's schedule and routing. Estimated delivery times are provided at checkout. The carrier will contact you to arrange delivery, and you must be present to sign for the shipment.

Damages: Upon delivery, inspect your shipment carefully for any damage or discrepancies. Note any issues on the carrier’s delivery receipt and notify us within 24 hours. Claims made after this timeframe may be denied. Photographic proof is required for processing claims. Report damages or discrepancies immediately at support@hvacstore.com.

Returns: For returns unrelated to damage, contact us at support@hvacstore.com for authorization. Return shipping costs are the customer’s responsibility, and a 20% restocking fee applies. Items must be in original packaging and condition for a refund.

Delivery Receipt: Before signing the delivery receipt, inspect the shipment for any damage. Your signature confirms acceptance of the delivery unless issues are noted.

Policy Updates: Our shipping policy may change, and updates will be communicated via our website or other channels. For any questions, contact The HVAC Store at support@hvacstore.com or call (833) 658-3387.

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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 48,000 BTU Multi Zone Mini Split Heat Pump Condenser is a powerful and efficient solution designed to heat and cool up to six separate spaces, covering approximately 2,000 square feet. Built for true DIY installation, this system allows homeowners to install without the need for an HVAC professional, helping save both time and installation costs while delivering reliable whole-home comfort.

This condenser achieves impressive efficiency ratings of up to 21.8 SEER2 and 10 HSPF2-4, ensuring dependable year-round performance with controlled energy usage. It supports up to six indoor air handlers, providing customized comfort across multiple zones. Installation is simplified using patented Quick Connect line sets pre-charged with environmentally friendly R-454B refrigerant. These line sets are sold separately and eliminate the need for vacuum pumps or specialized HVAC tools.

Advanced comfort control is available through the SmartHVAC app, allowing users to set temperatures, schedules, and operating modes while monitoring energy usage directly from a mobile device. Voice control compatibility with Amazon Alexa and Google Assistant adds hands-free convenience. Designed for long-term durability, this condenser includes the DIYPRO cable to eliminate the need for electrical conduit and is Intertek listed for safety and performance. Backed by one of the strongest warranties in the HVAC industry, this system delivers confidence and peace of mind.

Key Features

  • DIY Installation: Designed for easy installation without professional HVAC assistance
  • Multi Zone Capability: Supports up to six indoor air handlers
  • High Efficiency: Up to 21.8 SEER2 and 10 HSPF2-4 ratings
  • R-454B Refrigerant: Eco-friendly and more efficient than previous refrigerants
  • Quick Connect Line Sets: Pre-charged for fast installation (sold separately)
  • Smart Control: SmartHVAC app with Amazon Alexa and Google Assistant support
  • DIYPRO Cable Included: Eliminates the need for electrical conduit
  • Follow Me Function: Remote tracks temperature around you for enhanced comfort
  • Certified Quality: Intertek listed for tested safety and performance

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

The MRCOOL DIY 5th Generation 9K BTU Ductless Mini Split Heat Pump Air Handler is a powerful and energy-efficient solution for heating and cooling spaces up to 400 sq. ft. Designed for easy DIY installation, this system requires no specialized tools or professional assistance, making setup fast, simple, and cost-effective. The pre-charged 25-foot DIY QuickConnect line set (sold separately), filled with R-454B refrigerant, eliminates the need for vacuuming and reduces installation time. The included DIYPRO cable removes the need for electrical conduit while providing enhanced durability against outdoor elements and wildlife.

Key Features:

  • 9,000 BTU Capacity: Efficient heating and cooling for areas up to 400 sq. ft.
  • DIY QuickConnect Technology: Pre-charged line set eliminates vacuuming (line set sold separately).
  • R-454B Refrigerant: Eco-friendly refrigerant used in 5th Generation systems.
  • DIYPRO Cable Included: No electrical conduit required for enhanced durability.
  • Smart Control Options: Remote control, SmartHVAC app, and voice assistant support.
  • Follow Me Function: Adjusts airflow based on remote location.
  • Dry Mode: Helps reduce indoor humidity.
  • Gold Fin Protection: Enhanced corrosion resistance for coastal environments.
  • Intertek Listed: Certified for safety and performance (5031495).

MRCOOL 18K BTU Mini Split Air Handler DIY 5th Generation Wall Mount 230V DIY-18-HP-WMAH-230D25-O

The MRCOOL DIY-18-HP-WMAH-230D25-O is a 18,000 BTU wall-mounted air handler designed for MRCOOL DIY® 5th Generation ductless mini-split systems. This indoor unit delivers efficient heating and cooling for small residential and light commercial spaces while supporting true DIY installation when paired with a compatible MRCOOL condenser.

Key Features

  • 18,000 BTU wall-mounted air handler for ductless mini-split systems
  • Compatible with MRCOOL DIY® 5th Generation single-zone systems
  • 208/230V power supply for standard residential electrical connections
  • DIY-friendly installation with QuickConnect® line set compatibility
  • Wi-Fi enabled for SmartHVAC app remote control
  • Works with Amazon Alexa and Google Assistant
  • Quiet operation with multiple fan speed settings
  • Energy-efficient heating and cooling performance
  • Washable and reusable air filter for easy maintenance

View More 2 Zone Mini Splits

Specifications

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

Brand MRCOOL SKU DIY-MULTI6-48HP230D-O
Cooling Capacity 43,000 BTU/h Heating Capacity 48,000 BTU/h
Tonnage 4 Ton Zone Capacity Up to 6 Zones
SEER2 21.8 EER2 12
HSPF2-4 10 HSPF2-5 7.8
Refrigerant Type R-454B Refrigerant Volume 148.15 oz
Voltage 208/230V Phase 1
Cycle 60 Hz Inverter Type DC Inverter
Max Fuse Breaker 45 A Min Circuit Ampacity 40 A
Decibel Rating 64 dBA Color White
Line Set Length 25 ft Max Line Set Length 221.4 ft
Liquid Line Size 1/4 in Suction Line Size (3/8 x 4) & (1/2 x 2)
Compressor Motor Type Rotary Net Weight 223.77 lbs
Net Dimensions (WxHxD) 37.48 x 52.48 x 16.34 in Gross Weight 256 lbs
Replaces DIY-MULTI5-48HP230C UPC 840255587471

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

Brand MRCOOL SKU DIY-09-HP-WMAH-230D25-O
Cooling Capacity 9,000 BTU/h Heating Capacity 9,000 BTU/h
Refrigerant Type R-454B (5th Gen systems only) Mounting Type Wall-Mounted
Control Options Remote, SmartHVAC App (Wi-Fi), Alexa, Google Assistant Max Coverage Area 400 sq. ft.
Voltage 208/230V Phase 1
Cycle 60 Hz Replaces DIY-09-HP-WMAH-230C25
Oscillation Yes Filter Type Reusable
Net Dimensions (WxHxD) 31.57" x 11.69" x 7.44" Net Weight 24.47 lbs
Gross Dimensions (WxHxD) 36.02" x 14.37" x 16.34" Gross Weight 35.05 lbs

MRCOOL 18K BTU DIY Air Handler 5th Generation Mini-split Wall Mount 230V DIY-18-HP-WMAH-230D25-O

Brand MRCOOL SKU DIY-18-HP-WMAH-230D25-O
Tonnage 1.5 Weight (lbs) 35.49
Voltage (V) 208/230 Phase 1
Cycle 60 Max Fuse Breaker (A) 15
Min Circuit Ampacity (A) 3 Mount Type Wall
Replaces DIY-18-HP-WMAH-230C25 Max Coverage Area 800 sqft
Decibel Rating Low (dBA) 19 Decibel Rating High (dBA) 54.5
Number of Speeds 5 Oscillation Yes
Liquid Line Size 1/4 Suction Line Size 1/2
Filter Type Reusable Fan Only Option Yes
Quiet Mode Yes WiFi Compatibility Yes
Remote Control Included Yes Energy Star Certified Yes
AHRI Certified Yes UL Listed Yes
ETL Listed Yes Net Dimensions (W×H×D) 42.52 × 13.19 × 8.9 in
Gross Dimensions (W×H×D) 46.73 × 14.29 × 17.68 in Gross Weight (lbs) 49.6
Warranty 5-Years Parts, 7-Years Compressor Proposition 65 Warning Yes
Warranty

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

Warranty Coverage
Parts 5 Years
Compressor 7 Years

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

Warranty Coverage
Parts 5 Years
Compressor 7 Years

MRCOOL 18K BTU Mini Split Air Handler DIY 5th Generation Wall Mount 230V DIY-18-HP-WMAH-230D25-O

Warranty Type Parts Compressor
Standard Warranty 5 years 7 years
Documents

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

Brochure

Installation Manual

Remote Manual

Service Manual

Warranty Document

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

Brochure

Product Catalog

Installation Manual

Remote Manual

Warranty Document

MRCOOL 18K BTU Mini Split Air Handler DIY 5th Generation Wall Mount 230V DIY-18-HP-WMAH-230D25-O

DIY 5th Gen Air Handler Brochure

DIY 5th Gen Air Handler Install Manual

DIY 5th Gen Air Handler Owner Manual

DIY 5th Gen Air Handler Remote Manual

DIY 5th Gen Air Handler Service Manual

DIY 5th Gen Air Handler Warranty Doc

DIY 5th Gen Air Handler Accessory Manual

Shipping

We ship freight to the 48 contiguous states, excluding Hawaii and Alaska. Some shipping restrictions may apply. Liftgate services may incur an additional fee, which can be added at checkout.

Order Processing: Orders are processed within 1-3 business days (excluding weekends). Orders placed on Fridays will be processed the next business day. Once shipped, you’ll receive an email confirmation with tracking details. Backordered products may have longer processing times, and we will notify you of any delays.

Arrival of Goods: Freight delivery times depend on the carrier's schedule and routing. Estimated delivery times are provided at checkout. The carrier will contact you to arrange delivery, and you must be present to sign for the shipment.

Damages: Upon delivery, inspect your shipment carefully for any damage or discrepancies. Note any issues on the carrier’s delivery receipt and notify us within 24 hours. Claims made after this timeframe may be denied. Photographic proof is required for processing claims. Report damages or discrepancies immediately at support@hvacstore.com.

Returns: For returns unrelated to damage, contact us at support@hvacstore.com for authorization. Return shipping costs are the customer’s responsibility, and a 20% restocking fee applies. Items must be in original packaging and condition for a refund.

Delivery Receipt: Before signing the delivery receipt, inspect the shipment for any damage. Your signature confirms acceptance of the delivery unless issues are noted.

Policy Updates: Our shipping policy may change, and updates will be communicated via our website or other channels. For any questions, contact The HVAC Store at support@hvacstore.com or call (833) 658-3387.

Reviews

Customer Reviews

Be the first to write a review
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