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MRCOOL DIY 9K-BTU 115v Mini Split Heat Pump (-13Β°F) Wifi E-Star 23.6 SEER2/14 EER/11.5 HSPF (R454B)

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In Stock DIY-09-HP-WM-115D25-O

Introducing the MR COOL 9K - DIY 115v Mini Split Heat Pump, your ultimate Ductless Air Conditioning Solution! This 9K BTU System is designed for effortless installation. With a powerful 23.6 SEER2 rating, this Energy Efficient Air Conditioner not only cools but also heats your space, ensuring comfort all year round. The system includes a Single Zone Outdoor Unit with R454B Freon, an Indoor Unit with a remote and Wifi kit, and a 25' Install Kit featuring DIY Pro Armored Cable. Say goodbye to complicated setups- This Ductless Heat Pump is pre-charged and ready to go, effectively managing spaces up to 400 sq. ft. Enjoy reliable home heating and cooling with a 7-year compressor and 5-year parts warranty. Experience the convenience and efficiency of the MRCOOL today!

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Description

*This MR COOL 5th Gen DIY Mini Split Includes:

(1) DIY Single Zone Outdoor Unit with R454B Freon

(1) DIY Indoor Unit (w/Remote and Wifi Kit) 

(1) 25' Install Kit with DIY Pro® Armored Cable (Copper & Wires)

∼Heats & Cools∼ 

(-13F/-13F)

AHRI Certificate Performance Data
∼7yr Compressor∼ 5yr Parts Warranty∼
Online Registration REQUIRED: CLICK HERE
MR COOL TECH SUPPORT: 270-366-0457

Check out the new 5th Generation MRCOOL® DIY® 9K BTU Ductless Heat Pump Single Zone Mini-Split Air Handler. Designed for an easy and hassle-free installation, this system requires no special tools or prior experience and effectively heats or cools spaces up to 400 sq. ft. The pre-charged 25-foot DIY® QuickConnect® line set, which is pre-charged with R-454B refrigerant, eliminates the need for vacuuming, making installation faster, easier, and more cost-effective. The included DIYPRO® cable removes the need for electrical conduit, offering added durability against the outdoor elements and wildlife.

Control is effortless with multiple options, including the wireless remote, the SmartHVAC app for Apple and Android devices, and hands-free voice commands via Amazon Alexa and Google Assistant. The Gold Fin® Condenser provides superior corrosion resistance for coastal homes, ensuring long-lasting performance in harsh conditions. Designed for both comfort and efficiency, the system's wireless remote features the innovative Follow Me function, which allows the air handler to adjust airflow temperature based on the remote's location, maintaining consistent comfort throughout the room. 

Additionally, Dry Mode helps reduce humidity by acting as a dehumidifier, removing excess condensation. Backed by an industry-leading warranty—including a limited lifetime warranty, a 7-year compressor warranty, and a 5-year parts warranty—the 5th Generation MRCOOL® DIY® 9K BTU Ductless Heat Pump Single Zone Mini-Split Air Handler is built for lasting reliability. Enjoy advanced technology, simple installation, and year-round comfort with confidence.

Special Features Include:

 

QUICK CONNECT                                               With our patented, simple quick connect lines you'll be able to install your MRCOOL® DIY® without needing specialized training or expensive tools

DIYPRO® ARMORED CABLE                                     Future-proof your investment with the included DIYPro® cable, eliminating the need for electrical conduit.

CORROSION RESISTANT
Live on the coast? Don't worry, our condenser features Gold 
Fin®
condensers built to resist long term corrosion.

FOLLOW ME® FUNCTION
Keep the included remote close by, and MRCOOL DIY® will track the air temperature around you to ensure maximum comfort.

SMARTPHONE APP
Control your MRCOOL® DIY® anywhere with your Apple or Android smart device and an internet connection.

 LOUVER POSITION MEMORY
The air handler's horizontal louver will 
automatically reset to the same position that was set the last time the unit was 
powered on.

DIGITAL ASSISTANT READY                                          The MRCOOL® Smart HVAC Controller® Module and App fully support Google Assistant & Amazon Alexa out of the box.

AUTO RESTART
Power outage? No worries…the MRCOOL® DIY® auto restart will 
have the unit running again in no time

LOW AMBIENT COOLING & HEATING (-13F/-13F)    Cool and Heat all the way down to -13°F This feature makes the MRCOOL DIY the ideal system for server rooms, greenhouses, and any other application that requires cooling all year.

Take full control of your home comfort with the 5th Generation MrCool DIY Mini Split System. Homeowners can easily install this outdoor heat pump condenser and indoor air handler since installation requires no special tools, equipment, or training. This full heating and cooling system can be installed in just a few hours. 

The key to the 5th Generation MrCool DIY  Ductless Heat Pump Mini Split System's easy installation capability is the pre-charged Quick Connect line set — MrCool's cutting-edge technology that makes setup safe, simple, and cost effective. The line set uses the environmentally friendly, and chlorine-free refrigerant R-454B, which is an alternative to old refrigerant that won't damage the ozone layer.

    Specification
    Title MRCOOL DIY 9K-BTU 115v Mini Split Heat Pump (-13Β°F) Wifi E-Star 23.6 SEER2/14 EER/11.5 HSPF (R454B)
    Brand Mr Cool
    Category 9,000 Btu | .75 Ton | 150-400 Sq Ft
    SKU DIY-09-HP-WM-115D25-O
    Condition new
    UPC 840255588539
    MPN DIY-09-HP-WM-115D25-O
    Reviews 1
    5.0 1 review

    Forget the vacuum pumps and the $2,000 installation quotes.

    Kevin Sifuentes · April 2026

    The silence is the first thing you notice. Most window units sound like a jet engine fighting a lawnmower, but this system hums with a frequency so low it basically disappears into the background noise of a room. It transforms a space from "tolerable" to a climate-controlled sanctuary without the constant cycling roar of a traditional compressor. Then there’s the air precision. Instead of the typical blast-and-stop approach, the inverter technology tapers the output, maintaining a steady, ghostly drift of cool that keeps the humidity down without turning the room into a meat locker. It’s less like owning an air conditioner and more like upgrading the atmosphere of your home.

    Customer Reviews

    5.0 / 5 · 1 reviews
    Forget the vacuum pumps and the $2,000 installation quotes.

    The silence is the first thing you notice. Most window units sound like a jet engine fighting a lawnmower, but this system hums with a frequency so low it basically disappears into the background noise of a room. It transforms a space from "tolerable" to a climate-controlled sanctuary without the constant cycling roar of a traditional compressor. Then there’s the air precision. Instead of the typical blast-and-stop approach, the inverter technology tapers the output, maintaining a steady, ghostly drift of cool that keeps the humidity down without turning the room into a meat locker. It’s less like owning an air conditioner and more like upgrading the atmosphere of your home.

    Kevin Sifuentes · 2026-04-21

    Mini Split Warehouse offers a wide selection of ductless air conditioners and split heat pumps, providing free shipping nationwide.

    (877) 770-3548

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