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Black Friday Sale – 5% Off MRCOOL and Senville
Black Friday Sale – 5% Off MRCOOL and Senville

MRCOOL DIY 5th Gen 5-Zone 51,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (9K+9K+9K+12K+12K), DIY5-BC-55HP

by MRCOOL
SKU DIY5-BC-55HP0909091212
Save 15% Save 15%
Original price $12,839.58
Original price $12,839.58 - Original price $12,839.58
Original price $12,839.58
Current price $10,881.00
$10,881.00 - $10,881.00
Current price $10,881.00
Availability:
In stock

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Total Price: $10,881.00

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$10,881.00

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Product Information

Description

Take control of your comfort with the MRCOOL DIY 5th Gen Multi-Zone Mini Split System - the easiest and most affordable way to get powerful, energy-saving heating and cooling without hiring a pro.

  • Five Rooms, Perfect Comfort: Heat or cool five spaces that are 350 sq. ft., 350 sq. ft., 350 sq. ft., 500 sq. ft. and 500 sq. ft. each with independent temperature control for personalized comfort.
  • Truly DIY-Friendly: Forget expensive installs - no HVAC license or special tools required. If you can use basic hand tools, you can do this.
  • Year-Round Savings: Boasting up to 22.0 SEER2 cooling efficiency and 10.6 HSPF2-4 heating performance, this system delivers serious energy savings.
  • Built for Every Season: Stay cozy even in the dead of winter - reliable heating works all the way down to -13°F.
  • Strong Warranty Protection: Includes 7-Year Compressor Replacement and 5-Year Parts Coverage.

Whether it’s hot summer days or freezing winter nights, the MRCOOL DIY Mini Split keeps your home comfortable and your energy bills low. Smart. Simple. Affordable.

Specifications
  • SYSTEM OVERVIEW
  • System Type: Ductless Mini Split Air Conditioner & Heat Pump
  • Zones: 5
  • Capacity: Total: 51,000 BTU//Zone 1: 9,000 BTU//Zone 2: 9,000 BTU//Zone 3: 9,000 BTU//Zone 4: 12,000 BTU//Zone 5: 12,000 BTU
  • Coverage Area: Total: 2,050 sq. ft.//Zone 1: 350 sq. ft.//Zone 2: 350 sq. ft.//Zone 3: 350 sq. ft.//Zone 4: 500 sq. ft.//Zone 5: 500 sq. ft.
  • Refrigerant: R-454B
  • Line Sets Included: None - Choose Your Line Sets Above!
  • Warranty: 7 Years Compressor//5 Years Parts
  • OUTDOOR UNIT (55K) x 1
  • Model: DIY-MULTI6-55HP230D-O
  • Dimensions: 37.48" W x 16.34" D x 52.48" H
  • Cooling Capacity: 47,000 BTU
  • SEER2: 22.0
  • EER2: 12.0
  • Heating Capacity: 55,000 BTU
  • HSPF2-4: 10.6
  • HSPF2-5: 8.5
  • Outdoor Noise Level: 64.0 dB(A)
  • Outdoor Operating Temperature: Cooling: -22°F – 122°F//Heating: -22°F – 75°F
  • Voltage: 208–230V
  • Phase: 1
  • Cycle: 60Hz
  • Min Circuit Ampacity: 43.0A
  • Max Fuse Breaker: 45.0A
  • Weight: 245.81 lbs
  • Certifications: ENERGY STAR Certified//AHRI Certified//UL Listed//ETL Listed
  • INDOOR UNIT (9K) x 3
  • Model: DIYCASSETTE09HP-230D25-O
  • Dimensions: 50.31" W x 13.19" D x 8.98" H
  • Mounting Type: Ceiling
  • Cooling Capacity: 9,000 BTU
  • Heating Capacity: 9,000 BTU
  • Coverage Area: 151 to 350 sq. ft.
  • Liquid Line Size: 1/4"
  • Suction Line Size: 3/8"
  • Airflow Direction: 1-Way
  • 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: 45 lbs
  • INDOOR UNIT (12K) x 2
  • Model: DIYCASSETTE12HP-230D25-O
  • Dimensions: 50.31" W x 13.19" D x 8.98" H
  • Mounting Type: Ceiling
  • Cooling Capacity: 12,000 BTU
  • Heating Capacity: 12,000 BTU
  • Coverage Area: 351 to 500 sq. ft.
  • Liquid Line Size: 1/4"
  • Suction Line Size: 3/8"
  • Airflow Direction: 1-Way
  • 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: 45 lbs
Manuals & Guides
FAQ's

What size DIY Mini Split do I need?

Get ready to tailor your comfort with precision! Here's what you need to consider:

  1. The Size of the Area to Heat / Cool (Square Feet)
  2. Your Local Climate (Is it sizzling hot or icy cold for prolonged periods?)
  3. Insulation (From drafty spaces to snug havens, insulation plays a crucial role)
  4. Basic Sizing based on Square Footage alone:
  • 6K BTU = 100 to 150 Sq Ft.
  • 9K BTU = 151 to 350 Sq Ft.
  • 12k BTU = 351 to 500 Sq Ft.
  • 18k BTU = 501 to 750 Sq Ft.
  • 24k BTU = 751 to 1,000 Sq Ft.
  • 36k BTU = 1,001 to 1,500 Sq Ft.

Still need help? Get in touch with our HVAC Experts!

Check out our blog 'Sizing Your Mini Split'

Can I mix and match Wall Mount and Ceiling Cassettes Air Handlers?

Yes, of course! Get in touch with one of our HVAC experts and we can put together a custom package for you.

What is the operational temperature range for DIY Mini Splits?

The operational temperature range for DIY air conditioning units varies based on whether it's a Multi-Zone or Single-Zone system:

Multi-Zone:

For the 5th Gen Multi-Zone 18k – 48k condensers:

  • Heating: -13°F to 75°F (outside temperature)
  • Cooling: -13°F to 122°F (outside temperature)

For the 5th Gen Multi-Zone 55K condensers:

  • Heating: -22°F to 75°F (outside temperature)
  • Cooling: -22°F to 122°F (outside temperature)

What can I do about the excess coil/line set length?

It is recommended to leave the remaining/excess line set coiled horizontally near the condenser and wrapped with protective tape. This will not impact performance whatsoever.

MRCOOL

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