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MRCOOL 3-Zone 18K BTU, 23.9 SEER2 Ductless Mini Split w/ Heat Pump (6K+6K+6K)

MRCOOL 3-Zone 18K BTU, 23.9 SEER2 Ductless Mini Split w/ Heat Pump (6K+6K+6K)

Take full control of your indoor climate with the MRCOOL DIY 5th Gen Multi-Zone Mini Split System – a cost-effective and straightforward solution for achieving powerful, energy-efficient heating and cooling without professional installation.

  • Three Rooms, Customized Comfort: Effectively heat or cool three separate areas that are up to 200 sq. ft., 200 sq. ft., and 200 sq. ft., with independent temperature settings tailored to individual preferences.
  • DIY Made Simple: Eliminate costly installation fees – no HVAC certification or specialized equipment needed. If you’re comfortable with standard hand tools, you can handle the setup yourself.
  • Efficiency That Pays Off: Offering up to 23.9 SEER2 cooling efficiency and 10 HSPF2-4heating capability, this system is designed to maximize energy savings throughout the year.
  • Dependable in Every Season: Engineered for reliability, it maintains strong heating performance even in temperatures as low as -13°F.
  • Comprehensive Warranty Coverage: Protected by a 7-Year Compressor Warranty and 5-Year Parts Warranty for peace of mind.

From peak summer heat to extreme winter cold, the MRCOOL DIY Mini Split provides consistent comfort while helping you keep utility costs under control. Practical. Reliable. Efficient.

System Type Ductless Mini Split Air Conditioner & Heat Pump
Zones 3
Capacity Total: 18,000 BTU
Zone 1: 6,000 BTU
Zone 2: 6,000 BTU
Zone 3: 6,000 BTU
Refrigerant R-454B
Warranty 7 Years Compressor
5 Years Parts
OUTDOOR UNIT (18K) x 1
Model DIY-MULTI3-18HP230D-O
Dimensions 35.04" W x 13.46" D x 26.50" H
Cooling Capacity 18,000 BTU
SEER2 23.9
EER2 13.0
Heating Capacity 18,000 BTU
HSPF2-4 10.0
HSPF2-5 7.8
Outdoor Noise Level 60.0 dB(A)
Outdoor Operating Temperature Cooling: -13°F – 122°F
Heating: -13°F – 75°F
Voltage 208–230V
Phase 1
Cycle 60Hz
Min Circuit Ampacity 16.0A
Max Fuse Breaker 20.0A
Weight 101.63 lbs
Certifications ENERGY STAR Certified
AHRI Certified
UL Listed
ETL Listed
INDOOR UNIT (6K) x 3
Model DIY-06-HP-WMAH-230D25-O
Dimensions 31.57" W x 7.44" D x 11.69" H
Mounting Type Wall
Cooling Capacity 6,000 BTU
Heating Capacity 6,000 BTU
Coverage Area 100 to 200 sq. ft.
Liquid Line Size 1/4"
Suction Line Size 3/8"
Modes Auto Mode: Automatically selects heating or cooling based on the room's temperature.
Cool Mode: Lowers the room temperature to your desired setting.
Heat Mode: Raises the room temperature to your desired setting.
Fan-Only Mode: Circulates air without heating or cooling.
Dry Mode (Dehumidification): Reduces humidity levels in the room.
Sleep Mode: Gradually adjusts temperature settings for comfortable sleep and energy savings.
Weight 24.47 lbs
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