• Authorized Dealer

    Manufacturer Warranty

  • Free Shipping

    Tracking Provided

  • Secure Checkout

    Protected Payments

  • Flexible Payments

    Shop Pay Installments

Choose Your MRCOOL DIY System

MRCOOL DIY 5th Generation system
MRCOOL DIY®

5th Generation

Premium DIY Performance

Shop DIY 5th Gen
  • Up to 1,500 sq. ft. coverage
  • 9K–36K BTU systems
  • 25' Quick Connect Line Set
  • 115V or 208/230V options
  • 7-year compressor warranty
  • 5-year parts warranty
MRCOOL DIY Easy Pro system
MRCOOL DIY®

Easy Pro

Efficient DIY Comfort on a Budget

Shop DIY Easy Pro
  • Up to 1,050 sq. ft. coverage
  • 9K–24K BTU systems
  • 11.5' - 16' Quick Connect Line Set
  • 115V or 208/230V options
  • 5-year compressor warranty
  • 3-year parts warranty
MRCOOL DIY Select system
MRCOOL DIY®

Select

Affordable and Straightforward DIY Comfort

Shop DIY Select
  • Up to 1,050 sq. ft. coverage
  • 9K–24K BTU systems
  • 11.5' Quick Connect Line Set
  • 115V or 208/230V options
  • 2-year compressor warranty
  • 1-year parts warranty
MRCOOL DIY Multi-Zone system
MRCOOL DIY®

Multi-Zone

Independent Comfort for Multiple Rooms

Shop DIY Multi-Zone
  • Up to 2,290 sq. ft. coverage
  • 18K–55K BTU condensers
  • 16' 25' 35' 50' Line set Options
  • 208-230V Power Supply
  • 7-year compressor warranty
  • 5-year parts warranty

Shop MRCOOL by System Type

View all

DIY Mini Splits -Shop By Zone

  • MRCOOL DIY 5th Gen E-Star 24k BTU System
    Up to 30% off

    DIY 1 Zone

    One-Room Complete System

    Shop now
  • MRCOOL DIY 2 Zone 27k BTU 12K+12K
    Up to 30% off

    DIY 2 Zone

    Two-Room Complete System

    Shop now
  • MRCOOL DIY 3 Zone 48k BTU 9K+9K+24k System
    Up to 30% off

    DIY 3 Zone

    Three-Room Complete System

    Shop now
  • MRCOOL DIY 4 Zone 36k BTU 6K+6K+6k+18k
    Up to 30% off

    DIY 4 Zone

    Four-Room Complete System

    Shop now
  • Up to 30% off

    DIY 5 Zone

    Five-Room Complete System

    Shop Now
  • Up to 30% off

    DIY 6 Zone

    Five-Room Complete System

    Shop Now

Smart HVAC Solutions

Take control of your home comfort with MRCOOL® mini split systems designed for efficiency, performance, and easy installation. From DIY-friendly setups to high-efficiency heating and cooling, find the right system for every space—without the complexity or high installation costs.

Shop MRCOOL Systems
Air conditioner mounted on a wall with a smartphone displaying app interface, in a room with a plant and sofa.

Shop MRCOOL systems by size

9,000 BTU Compact rooms 12,000 BTU Bedrooms and offices 18,000 BTU Single-zone & multi-zone
Up to 3 zones 24,000 BTU Large living areas 27,000 BTU Multi-zone systems
Up to 4 zones 36,000 BTU Single-zone & multi-zone
Up to 5 zones 48,000 BTU Whole-home multi-zone
Up to 6 zones 55,000 BTU High-capacity multi-zone
Up to 6 zones

Best Selling DIY Systems

View all

Newly Released by MRCOOL

View all

Let customers speak for us

from 61 reviews
MRCOOL DIY Select 18k BTU Mini Split Heat Pump - 230V | DIYS-18-HP-230A11-O
Jeff Buser

It was very easy to install and the perfect size for what I needed.

MRCOOL DIY Select 18k BTU Mini Split Heat Pump - 230V | DIYS-18-HP-230A11-O
MRCOOL DIY Select 12k BTU Mini Split Heat Pump - 115V | DIYS-12-HP-115A11-O
eddie cortes
cool cool cool

Very satisfied with Mr.Cool unit keeps my apt so cool that I have turn up the thermostat excelent customer service

MRCOOL DIY Select 12k BTU Mini Split Heat Pump - 115V | DIYS-12-HP-115A11-O
Anna
The shopping experience was seamless.

The shopping experience with The Living Outlet was seamless from start to finish. Our order arrived on time, everything was very well packed, and the entire process went smoothly. Before placing the order, I had a couple of questions about the system and wanted to make sure we were choosing the right option. Ryan was very helpful, knowledgeable, and took the time to answer our questions clearly, which made us feel much more confident about the purchase. The installation also went smoothly, and so far we are very happy with the system and how everything has worked out. It is always reassuring to purchase from a company that is responsive and helpful both before and after the sale. Overall, we had a great experience with The Living Outlet and are very satisfied with our purchase. Thanks, TLO!

The Living Outlet
MRCOOL DIY Select 12k BTU Mini Split Heat Pump - 115V | DIYS-12-HP-115A11-O
Anna
Works Great

The system works great and good value for the price.

MRCOOL DIY Select 12k BTU Mini Split Heat Pump - 115V | DIYS-12-HP-115A11-O
MRCOOL DIY Easy Pro 24000 BTU Ductless Mini Split Heat Pump 230V R454B - EZPRO-24-HP-23011DE-O
Jason B.

Energy bills are noticeably lower, and the comfort level is much better compared to our old unit

MRCOOL DIY Easy Pro 24000 BTU Ductless Mini Split Heat Pump 230V R454B - EZPRO-24-HP-23011DE-O
MRCOOL DIY Easy Pro 12000 BTU Ductless Mini Split Heat Pump 115V R454B - EZPRO-12-HP-11511DE-O
Angela F.

This is the second MRCOOL we’ve purchased. The 12K fits our office perfectly. Couldn’t be happier.

MRCOOL DIY Easy Pro 12000 BTU Ductless Mini Split Heat Pump 115V R454B - EZPRO-12-HP-11511DE-O
MRCOOL DIY 5th Gen E-Star 18k BTU 22.5 SEER2 Ductless Mini Split Heat Pump 230V R454B - DIY-18-HP-WM-230D25-O
Ethan W.

Cools fast, runs efficiently, but the packaging could be sturdier. Still, highly recommend.

MRCOOL DIY 5th Gen E-Star 18k BTU 22.5 SEER2 Ductless Mini Split Heat Pump 230V R454B - DIY-18-HP-WM-230D25-O
MRCOOL DIY 5th Gen E-Star 24k BTU Ductless Mini Split Heat Pump 230V R454B - DIY-24-HP-WM-230D25-O
Amanda G.

Couldn’t be happier. Keeps our large bedroom perfectly cool, and I love controlling it with my phone.

MRCOOL DIY 5th Gen E-Star 24k BTU Ductless Mini Split Heat Pump 230V R454B - DIY-24-HP-WM-230D25-O
MRCOOL 5th Gen Advantage 36k BTU Ductless Mini Split 230V R-454B - A-36-HP-230D-O
Kelly M.

Perfect system for a nursery. Runs quietly and keeps the temperature steady all night.

MRCOOL 5th Gen Advantage 36k BTU Ductless Mini Split 230V R-454B - A-36-HP-230D-O
MRCOOL 18k DIY 5th Generation Mini-split Air Handler 230v R454B - DIY-18-HP-WMAH-230D25-O
James W.

Puts out plenty of cold air for our family room. Quiet enough that we can watch movies without distraction.

MRCOOL 18k DIY 5th Generation Mini-split Air Handler 230v R454B - DIY-18-HP-WMAH-230D25-O
MRCOOL DIY Easy Pro 18000 BTU Ductless Mini Split Heat Pump 230V R454B - EZPRO-18-HP-23011DE-O
Brian J.

Perfect for our small apartment. Simple setup, great airflow, and very quiet.

MRCOOL DIY Easy Pro 18000 BTU Ductless Mini Split Heat Pump 230V R454B - EZPRO-18-HP-23011DE-O
MRCOOL DIY 5th Gen E-Star 12k BTU Ductless Mini Split Heat Pump 115V R454B - DIY-12-HP-WM-115D25-O
Emily T.

Great system, but I wish the Wi-Fi app was a little more polished. Otherwise, no complaints.

MRCOOL DIY 5th Gen E-Star 12k BTU Ductless Mini Split Heat Pump 115V R454B - DIY-12-HP-WM-115D25-O
MRCOOL DIY Easy Pro 9000 BTU Ductless Mini Split Heat Pump 230V R454B - EZPRO-09-HP-11511DE-O
Paul G.

Nice little unit. It’s not as powerful as the larger ones of course, but for a small room, it does the job well.

MRCOOL DIY Easy Pro 9000 BTU Ductless Mini Split Heat Pump 230V R454B - EZPRO-09-HP-11511DE-O
MRCOOL DIY Easy Pro 24000 BTU Ductless Mini Split Heat Pump 230V R454B - EZPRO-24-HP-23011DE-O
Catherine S.

We’ve had this for a few months now, and I’m impressed with how well it heats in the winter too. Very versatile

MRCOOL DIY Easy Pro 24000 BTU Ductless Mini Split Heat Pump 230V R454B - EZPRO-24-HP-23011DE-O
MRCOOL DIY 5th Gen E-Star 36k BTU 18 SEER2 Ductless Mini Split Heat Pump 230V R454B - DIY-36-HP-WM-230D25-O
George N.

Energy bills are lower and the house is always comfortable. This is a great investment.

MRCOOL DIY 5th Gen E-Star 36k BTU 18 SEER2 Ductless Mini Split Heat Pump 230V R454B - DIY-36-HP-WM-230D25-O

What customers think about the store

Store offers efficient HVAC systems with strong DIY installation support. Customers praise fast shipping, competitive pricing, and excellent product performance. Units deliver powerful cooling/heating, quiet operation, and energy savings. Installation is strai...

AI-generated from customer reviews.

Cooling Installation Instructions Room
61
Customers rate us 5.0/5 based on 61 reviews.

Mini Split Resources

View all
  • HVAC technician installing a mini split air handler on an interior wall - Mini Splits
    Do Mini Splits Need Professional Installation?

  • Comparison of single-zone outdoor condenser versus multi-zone mini split indoor air handlers
    Single-Zone vs. Multi-Zone Mini Splits: Which Do You Need?

  • Mini split unit mounted on wall with floor plan and measuring tape for BTU sizing
    How to Size a Mini Split by BTU: The Complete Room-by-Room Guide