Mr. Cool DIYS-24-HP-230A11-O 24,000 BTU 16.5 SEER2 Select Black Wall Mounted Heat Pump System (230V) - R454B

MRCOOL® DIYS-24-HP-230A11-O DIY® Select 1st Gen 24,000 BTU 230V – R-454B Ductless Mini-Split Heat Pump System (Air Handler + Condenser)

The MRCOOL® DIYS-24-HP-230A11-O DIY® Select 1st Gen 24,000 BTU 230V ductless mini-split delivers powerful, energy-efficient heating and cooling for spaces up to approximately 1,050 sq. ft. As part of the innovative DIY® Select Series, this system is designed for true do-it-yourself installation using the included factory pre-charged Quick Connect® line set , eliminating the need for specialized HVAC tools, vacuum pumps, or refrigerant charging. Featuring environmentally friendly R-454B refrigerant , the system offers reliable year-round comfort while significantly reducing Global Warming Potential (GWP) compared to previous refrigerants.

Designed for convenience, the system includes built-in Wi-Fi , allowing complete control through the MRCOOL® SmartHVAC App . Users can adjust temperatures, change operating modes, set schedules, and monitor system performance from virtually anywhere using a smartphone or tablet. The system is also compatible with Amazon Alexa and Google Assistant , enabling convenient voice control. Advanced DC inverter technology, multiple comfort modes, and whisper-quiet operation help maintain consistent indoor temperatures while reducing energy consumption.

Rated up to 18.3 SEER2 and 8.5 HSPF2-4 , the DIY® Select provides dependable energy efficiency for both heating and cooling applications. The outdoor condenser features a durable Gold Fin® corrosion-resistant coating for enhanced longevity, while the included DIYPRO® communication cable simplifies installation by replacing traditional conduit and protecting electrical wiring from moisture, pests, and weather. MRCOOL® backs the system with a 1-year parts warranty , 2-year compressor warranty , and 1-year remote warranty , offering long-term peace of mind.

General Information

System Type: Ductless mini-split heat pump (indoor air handler + outdoor condenser)
System Model: DIYS-24-HP-230A11-O
Indoor Model: DIY® Select 1st Gen 24,000 BTU 230V Air Handler
Outdoor Model: DIY® Select 1st Gen 24,000 BTU 230V Condenser
Capacity: 24,000 BTU Cooling / Heating
Room Size: Up to ~1,050 sq. ft.
Operating Modes: Heating & Cooling
Refrigerant: R-454B (eco-friendly, low GWP)
Voltage: 208/230V, 1 Phase, 60Hz

Key Features

• True DIY installation with factory pre-charged Quick Connect® line set

• Eco-friendly R-454B refrigerant with reduced Global Warming Potential

• Up to 18.3 SEER2 cooling efficiency

• Up to 8.5 HSPF2-4 heating efficiency

• Built-in Wi-Fi with MRCOOL® SmartHVAC app compatibility

• Compatible with Amazon Alexa and Google Assistant

• Gold Fin® corrosion-resistant outdoor coil coating

• Quiet operation with indoor sound levels as low as 19 dBA

• Variable-speed DC inverter compressor for improved comfort and efficiency

• DIYPRO® communication cable included for simplified installation

• Multiple operating modes including Auto, Heat, Cool, Dry, Fan, and Sleep

• Programmable timer and scheduling

• Auto Restart after power interruptions

• Washable, reusable air filter

• Wireless remote control included

• 1-year parts warranty

• 2-year compressor warranty

• 1-year remote warranty

Specifications (Rated Conditions)

Cooling Capacity: 24,000 BTU
Heating Capacity: 24,000 BTU
SEER2: Up to 18.3
HSPF2-4: 8.5
Voltage: 208/230V
Coverage Area: Up to ~1,050 sq. ft.
Refrigerant: R-454B
Maximum Line Set Length: 75 ft.

Included Components

• DIY® Select 24,000 BTU 230V indoor air handler

• DIY® Select 24,000 BTU 230V outdoor condenser

• 11.5 ft. factory pre-charged Quick Connect® line set

• 13 ft. DIYPRO® communication cable

• Wireless remote control

• Installation accessories

Ideal For

Homeowners looking for a high-capacity, energy-efficient ductless heating and cooling solution for large living rooms, great rooms, garages, workshops, finished basements, additions, or other spaces up to approximately 1,050 sq. ft. The DIY® Select Series combines simple DIY installation, built-in smart controls, inverter technology, and dependable year-round comfort without requiring professional refrigerant handling.