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MRCOOL DIY Select 24,000 BTU Single Zone Mini Split System 230V with 11.5 ft. DIY Quick Connect Line Set - Black, DIYS-24-HP-B-230A11-O
MRCOOL DIY Select 24,000 BTU Single Zone Mini Split System 230V with 11.5 ft. DIY Quick Connect Line Set - Black, DIYS-24-HP-B-230A11-O
MRCOOL DIY Select 24,000 BTU Single Zone Mini Split System 230V with 11.5 ft. DIY Quick Connect Line Set - Black, DIYS-24-HP-B-230A11-O
MRCOOL DIY Select 24,000 BTU Single Zone Mini Split System 230V with 11.5 ft. DIY Quick Connect Line Set - Black, DIYS-24-HP-B-230A11-O
MRCOOL DIY Select 24,000 BTU Single Zone Mini Split System 230V with 11.5 ft. DIY Quick Connect Line Set - Black, DIYS-24-HP-B-230A11-O
MRCOOL DIY Select 24,000 BTU Single Zone Mini Split System 230V with 11.5 ft. DIY Quick Connect Line Set - Black, DIYS-24-HP-B-230A11-O
MRCOOL DIY Select 24,000 BTU Single Zone Mini Split System 230V with 11.5 ft. DIY Quick Connect Line Set - Black, DIYS-24-HP-B-230A11-O
MRCOOL DIY Select 24,000 BTU Single Zone Mini Split System 230V with 11.5 ft. DIY Quick Connect Line Set - Black, DIYS-24-HP-B-230A11-O
MRCOOL DIY Select 24,000 BTU Single Zone Mini Split System 230V with 11.5 ft. DIY Quick Connect Line Set - Black, DIYS-24-HP-B-230A11-O
MRCOOL DIY Select 24,000 BTU Single Zone Mini Split System 230V with 11.5 ft. DIY Quick Connect Line Set - Black, DIYS-24-HP-B-230A11-O
MRCOOL DIY Select 24,000 BTU Single Zone Mini Split System 230V with 11.5 ft. DIY Quick Connect Line Set - Black, DIYS-24-HP-B-230A11-O
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MRCOOL DIY Select 24,000 BTU Single Zone Mini Split System 230V with 11.5 ft. DIY Quick Connect Line Set - Black, DIYS-24-HP-B-230A11-O

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MRCOOL

DIYS-24-HP-B-230A11-O

$1,899.00 $2,499.00
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MRCOOL DIY Select 24,000 BTU Single Zone Mini Split System 230V with 11.5 ft. DIY Quick Connect Line Set - Black, DIYS-24-HP-B-230A11-O
$1,899.00 $2,499.00
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What's Included

24K BTU Condenser

Quantity: 1

24K BTU Air Handler

Quantity: 1

11.5ft. Pre-Charged Line Set

Quantity: 1

Remote Control

Quantity: 1

The MRCOOL DIY Select 24,000 single-zone mini split system is built for homeowners who want efficient heating and cooling without the friction of a traditional install. This system is a strong fit for bedrooms, offices, garages, additions, workshops, and other individual spaces where ductless comfort, simpler setup, and dependable year-round performance matter.

With coverage for spaces up to 1,050 sq ft., a 16.5 SEER2 efficiency rating, 208/230V electrical configuration, and an included 11.5 ft. pre-charged quick connect line set, this model is designed to make single-zone climate control more approachable while still delivering solid heat pump performance.

  • Cooling Capacity: 23,000 BTU
  • Heating Capacity: 23,000 BTU
  • Coverage Area: Up to 1,050 sq ft.
  • SEER2: 16.5
  • HSPF2-4: 8.3
  • Voltage: 208/230V
  • Line Set Length: 11.5 ft.
  • Refrigerant Type: R-454B
  • Max Line Set Length: 75 ft.
  • Wifi Compatibility: Yes
  • App Compatibility: Yes
  • Works with IOS: Yes
  • Works with Android: Yes

Best for: homeowners looking for a DIY-friendly single-zone mini split for targeted comfort in one room or work area.

Having a hard time finding the right size?

Having a hard time finding the right size?

Use our mini split calculator to find the right system for your space. Get personalized recommendations based on your room size and cooling needs.

Use our mini split builder to find the perfect unit for your space. Get personalized recommendations based on your room size and cooling needs.

Use Our Mini Split Calculator >

Accessories

MRCOOL Condenser Wall Mounting Kit for 18k to 36k BTU Ductless Split System, MB440A
CoolGuard Equipment Pad - 18 In. x 38 In. x 3 In., EP04
CoolGuard Weldbracket Condenser Stand, ACB-J02
MRCOOL LineGuard Set Cover - White, MLG450
MRCOOL LineGuard Set Cover - Tan, MLG450-T-01
MRCOOL LineGuard Set Cover - Gray, MLG450-G-01
DiversiTech Disconnect Switch and Electrical Whip with #10 AWG for MRCOOL 9K, 12K, 18K, 27K, 36K Condenser, DDS-60U-6-12-6NM

System Details

Coverage Area Guide

6,000 BTU

100 - 150 square feet

9,000 BTU

151 - 350 square feet

12,000 BTU

351 - 500 square feet

18,000 BTU

501 - 750 square feet

24,000 BTU

751 - 1,000 square feet

36,000 BTU

1,001 - 1,500 square feet
Note: BTU requirements may vary based on factors like insulation, ceiling height, sun exposure, appliances, and occupancy. Contact our team for personalized assistance.

Frequently Asked Questions

The 5th Generation MRCOOL DIY Mini Splits bring a host of cutting-edge advancements over their 4th Gen predecessor, prioritizing energy efficiency, innovative technology, and environmental sustainability.

Discover what’s new in the 5th Gen:

  • Eco-Conscious R-454B Refrigerant: A new refrigerant with a reduced global warming potential (GWP), aligning with the latest HVAC industry standards.
  • Superior Energy Savings: Elevated SEER2 ratings for enhanced efficiency and optimized performance for lower energy costs.
  • Improved Durability and Performance: Upgraded internal components for a more reliable and effective heating and cooling system.

The DIY E Star and DIY Easy Pro are the two lines of do-it-yourself mini splits MRCOOL offers, each with its own list of benefits:

DIY E Star Series

  • Efficiency: Up to 23.6 SEER2, 11.5 HSPF2-4
  • Coverage: Up to 1,550 sq. ft.
  • Sizes & Price: 9K ($2,329), 12K ($2,359), 18K ($2,909), 24K ($3,329), 36K ($3,769)
  • Features: Energy Star certified (9K-24K), 25 ft. line set, R-454B refrigerant
  • Warranty: 5-yr parts, 7-yr compressor
  • Best for: Larger spaces, energy savings, rebates

EasyPro Series

  • Efficiency: Up to 20.2 SEER2, 9.3 HSPF2-4
  • Coverage: Up to 1,050 sq. ft.
  • Sizes & Price: 9K ($1,569), 12K ($1,649), 18K ($1,827), 24K ($2,149)
  • Features: 16 ft. line set, R-454B refrigerant, no Energy Star
  • Warranty: 3-yr parts, 5-yr compressor
  • Best for: Medium sized spaces, mid-budget installs

DIY Select Series

  • Efficiency: Up to 17.5 SEER2, 9.0 HSPF2-4
  • Coverage: Up to 1,050 sq. ft.
  • Sizes & Price: 9K ($1,249), 12K ($1,399), 18K ($1,690), 24K ($1,899)
  • Features: 11.5 ft. line set, R-454B refrigerant, no Energy Star
  • Warranty: 2-yr parts, 1-yr compressor
  • Best for: Smaller spaces, budget installs

The MRCOOL DIY systems are designed with the homeowner's convenience in mind. You can easily set up the indoor and outdoor units without any specialized HVAC tools by using the pre-charged Quick Connect lines. For safety and compliance with local codes, a licensed electrician must handle the electrical installation.

Yes! All MRCOOL mini splits are heat pump systems that offer both heating and cooling.

The MRCOOL 5th Generation single zone mini split systems will deliver dependable heating performance in temperatures as low as -22°F.

The MRCOOL DIY Select single zone mini split systems will deliver dependable heating performance in temperatures as low as -13°F.

As a general guideline, plan for 20 BTU per square foot of space. Here’s a quick reference:

  • 6,000 BTU: 100–150 sq ft
  • 9,000 BTU: 151–350 sq ft
  • 12,000 BTU: 351–500 sq ft
  • 18,000 BTU: 501–750 sq ft
  • 24,000 BTU: 751–1,000 sq ft
  • 36,000 BTU: 1,001–1,500 sq ft

Do keep in mind that factors like insulation quality, ceiling height, sun exposure, heat from appliances, and occupancy may affect performance. For personalized guidance, reach out to our team.

Yes! The MRCOOL 5th Gen mini split systems can be controlled remotely via the MRCOOL Smart HVAC App and can also be paired with Google Assistant and Amazon Alexa.

The MRCOOL 5th Generation DIY E Star Mini-Split systems come with MRCOOL's longest mini split warranty protection:

  • 7-Year Compressor Replacement Warranty: If the compressor fails within seven years, MRCOOL will supply a replacement.
  • 5-Year Parts Warranty: All system components are covered for five years from the purchase date.

The MRCOOL 5th Generation DIY Easy Pro Mini Split systems come with a shorter warranty:

  • 2-Year Compressor Replacement Warranty: If the compressor fails within two years, MRCOOL will supply a replacement.
  • 1-Year Parts Warranty: All system components are covered for one years from the purchase date.

The MRCOOL DIY Select Mini-Split systems come with the shortest warranty of the three DIY mini split models:

  • 2-Year Compressor Replacement Warranty: If the compressor fails within two years, MRCOOL will supply a replacement.
  • 1-Year Parts Warranty: All system components are covered for one year from the purchase date.

Our Mission

Our Teams Focus

At MRCOOL HVAC Supply, we strive to deliver the highest quality residential and commercial HVAC systems. Our mission is to provide an exceptional customer experience by helping you find the perfect system to meet your needs while saving money. With units designed for easy installation and minimal reliance on licensed technicians, MRCOOL's products offer unparalleled convenience. Even for systems requiring professional installation, MRCOOL’s user-friendly designs ensure you can enjoy a climate-controlled environment quickly and efficiently.

At MRCOOL HVAC Supply, we strive to deliver the highest quality residential and commercial HVAC systems. Our mission is to provide an exceptional customer experience by helping you find the perfect system to meet your needs while saving money. With units designed for easy installation and minimal reliance on licensed technicians, MRCOOL offers unparalleled convenience. Even for systems requiring professional installation, MRCOOL’s user-friendly design ensures you can enjoy a climate-controlled environment quickly and efficiently.

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