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MRCOOL 18,000 BTU DIY 5th Gen Hyper Heat 21.2 SEER2 Single Zone Wall Mount Mini Split Heat Pump System w/ 25' Line Set - R454B | 230V

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MRCOOL

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Model

DIYHH-18-HP-WM-230D25-O

ID

221935

Was $3,266.10
Your Low Price $3,173.00
 
  • Do-It-Yourself Installation
  • Strong Warranty
  • Ductless Solution
  • Perfect for a room up to 800 sqft
  • Wi-Fi & Smartphone App Capabilities
  • Includes 25ft Line Set
Customize MRCOOL 18,000 BTU DIY 5th Gen Hyper Heat 21.2 SEER2 Single Zone Wall Mount Mini Split Heat Pump System w/ 25' Line Set - R454B | 230V
18,000 BTU MRCOOL Single Zone Condenser - R454B
18,000 BTU MRCOOL Single Zone Condenser - R454B   + $2,242.00
18,000 BTU MRCOOL DIY 5th Gen Wall Mount Air Handler - R454B
18,000 BTU MRCOOL DIY 5th Gen Wall Mount Air Handler - R454B   + $931.00
Installation Kit for Condensers
21" Wall Mount Bracket
MRCOOL 5th Gen 18K BTU Hyper Heat Ductless Mini Split Heat Pump System with Line set 230V - DIYHH-18-HP-WM-230D25-O

$3,173.00

Energy-efficient ductless system that delivers powerful climate control, simple installation, and reliable year-round comfort for larger spaces.

Bring simple, affordable comfort to your space with the MRCOOL DIY Series Mini Split with a 25 ft. Line Set. Designed for spaces up to 1,000 sq. ft. This high-efficiency ductless system makes it easier than ever to upgrade your home comfort without the costs and obstacles of traditional HVAC installation.

Why Customers Choose the DIY Series

  • DIY Installation Made Simple - Quick Connect technology helps streamline installation without specialized HVAC tools, reducing time and installation costs.
  • Year-Round Heating and Cooling - 18,000 BTU performance delivers dependable comfort in spaces up to 1,000 sq. ft., keeping rooms comfortable through changing seasons.
  • Energy-Saving Performance - The high-efficiency inverter system adjusts output automatically to maintain comfort while helping reduce energy intake.
  • Quiet, Everyday Comfort - Low-noise operation makes this system ideal for open living areas, workspaces, and everyday living.

Includes Quick Connect Pre-Charged Line Sets

Arrives ready to connect, eliminating the need for vacuuming, refrigerant charging, or specialized HVAC equipment. This simplifies installation, saves time, and makes DIY installation more accessible for homeowners.

Control Your Comfort from Anywhere

Built-in Wi-Fi lets you control your mini split from virtually anywhere using the SmartHVAC app on your compatible smartphone or tablet. Adjust the temperature, switch operating modes, create schedules, and manage your comfort whether you are at home or away.

Reliable Heating During Cooler Weather

Designed for year-round comfort, this heat pump provides dependable heating during cooler weather and is capable of operating in heating mode at outdoor temperatures as low as -13 degrees F. Advanced inverter technology automatically adjusts performance to help maintain a comfortable indoor environment.

What is Included

  • MRCOOL DIY 18,000 BTU Ductless Mini Split Outdoor Condenser (DIYHH-18-HP-WM-230D25-O)
  • MRCOOL DIY 18,000 BTU Ductless Mini Split Indoor Air Handler
  • 25 ft. Pre-Charged Quick Connect Line Set
  • Communication Cable
  • Drain Hose
  • Air Filter
  • Wireless remote control
  • Owner Manual, Guides, and Other Documents

Recommended Accessories

  • 21" Wall Mount Bracket for Mini Split Systems
  • Cielo Breeze Max Mini Split Thermostat with WiFi, SKU: BM101WA
  • Installation Kit
  • • 3/4" x 6' Electrical Whip – SKU: 84138 • 60A Non-Fused Disconnect – SKU: 83335 • Surge Protector – SKU: ICM517 • CPS Charging Adapter – SKU: 87-AD87 • Telescoping Wall Sleeve – SKU: NFP-75
  • Additional line set options with a coupler
  • • Coupler - DIYCOUPLER-1412K75C • 16 ft – DIY16-1412-O • 25 ft – DIY25-1412-O • 35 ft – DIY35-1412C-O • 50 ft – DIY50-1412C-O

Warranty

MRCOOL offers a limited warranty of 2-Year Compressor / 1-Year Parts Warranty* when installed according to manufacturer guidelines.

18,000 BTU MRCOOL Single Zone Condenser - R454B

The MRCOOL DIY 18K BTU Hyper Heat 21.2 SEER Ductless Heat Pump Single Zone Mini Split Condenser

The MRCOOL DIY 12K BTU Hyper Heat 23.5 SEER Ductless Heat Pump Single Zone Mini Split Condenser makes home climate control easier than ever. Designed for effortless installation, this system requires no special tools or professional experience and is ideal for spaces up to 800 sq. ft. With a pre-charged 25-foot QuickConnect line set filled with R-454B refrigerant, setup is simple and eliminates the need for vacuuming.

Key Features

The included DIYPRO cable enhances durability, replacing traditional electrical conduit to protect against weather, animals, and yardwork damage.
  • DIY Installation: Includes a 25-foot pre-charged Fast Connection® line set, allowing for easy setup without the need for professional tools or training.
  • Smart Controls: Compatible with the SmartHVAC Controller App, enabling remote operation via smartphone and voice control through Amazon Alexa and Google Assistant.
  • Energy Efficiency: Achieves a SEER2 rating of 21.2 and an HSPF2-4 rating of 10, providing cost-effective performance throughout the year.
  • Quiet Operation: Operates at a low noise level of 56.5 dB(A), ensuring a peaceful environment.
  • Low Ambient Cooling: Capable of cooling in outdoor temperatures as low as -22°F, making it suitable for server rooms and greenhouses.
  • Additional Features: Includes Follow Me® function, Sleep Mode, Auto Mode, Timer Mode, and refrigerant leakage detection for enhanced comfort and safety.

Warranty

  • Parts Warranty: 5 Years
  • Compressor Warranty: 7 Year
18,000 BTU MRCOOL DIY 5th Gen Wall Mount Air Handler - R454B

Reliable Year-Round Comfort With Easy DIY Installation

Enjoy reliable year-round comfort with the MRCOOL DIY 5th Generation 18,000 BTU Single Zone Wall Mount Mini Split Air Handler. Designed for use with a compatible outdoor condenser, this indoor unit delivers 18,000 BTU of heating and cooling for spaces up to 1,000 square feet. With R454B refrigerant, Wi-Fi and smartphone app capabilities, an included remote controller, and a DIY-friendly design, it provides convenient temperature control and simplified installation for your space.

Key Features

  • 18,000 BTU Heating and Cooling — Provides dependable year-round comfort for spaces up to 1,000 square feet.
  • Easy DIY Installation — Designed for straightforward installation as part of the MRCOOL DIY 5th Generation system.
  • Smart Temperature Control — Wi-Fi and smartphone app capabilities provide convenient control of comfort settings.
  • Powerful Airflow — Delivers up to 706 CFM in Turbo mode, with multiple fan speeds for flexible air circulation.
  • Quiet Indoor Operation — Sound levels range from 19.0 to 54.5 dBA, helping provide comfortable heating and cooling with adjustable operating performance.

Warranty

MRCOOL offers a limited warranty of 2-Year Compressor / 1-Year Parts Warranty* when installed according to manufacturer guidelines.

Installation Kit for Condensers

Ensure a professional and secure installation for your condenser with this comprehensive installation kit. Designed to provide all the essential components needed for a smooth setup, this kit helps protect your system while ensuring proper electrical and refrigerant connections.

What’s Included:

  • 3/4" x 6' Electrical Whip – SKU: 84138
  • 60A Non-Fused Disconnect – SKU: 83335
  • Surge Protector – SKU: ICM517
  • CPS Charging Adapter – SKU: 87-AD87
  • Telescoping Wall Sleeve – SKU: NFP-75

Equip your condenser with everything needed for a safe, durable, and professional installation. Order your Condenser Installation Kit today!

21" Wall Mount Bracket

This wall mount bracket is perfect for outdoor mini split condensers. The length of the the wall bracket arms are 21" long. The condensing unit is mounted onto the L-shaped brackets and fastened using the bolts and anti-vibration washers provided.

Features:

  • 21" Arm Length
  • Weight capacity of 220 lbs per arm
  • Bolts and anti-vibration washers included

No Return Policy

All sales of this product are final and are non-refundable.

Equipment Pad and Risers Kit

E Lite Condenser Pad and Risers

E Lite Condenser Pad

E Lite Condenser Pad is designed to provide solid support for air conditioning condensers. It's made from sturdy polypropylene, striking a balance between lightness and stability. Its robust design ensures a level ground without the need for extra components.

Key Features:

  • Reliable Support: Abundance of ridges for stable ground support.
  • Durable and Lightweight: Tough yet not excessively heavy, thanks to polypropylene construction.
  • Anti-Slip: The surface prevents slipping, and rounded edges enhance safety.
  • Simple Appearance: Gray color with size labels.
  • Versatile Use: Suitable for condensers, pipes, ducts, cables, and more.

E Lite Risers

E Lite Risers complement the Condenser Pad, allowing you to adjust your setup as needed. They are constructed from weather-resistant PVC for outdoor use.

Key Features:

  • Weather Resistance: Made from tough PVC for long-lasting performance.
  • Secure Setup: The track securely holds bolts in place.
  • Bolts Included: Each set comes with two bolts.
  • Strong Support: Capable of handling loads of up to 397 pounds.

E Lite Condenser Pad and Risers offer reliable support without any complications. They are built to last and deliver efficient performance. Consider E Lite for your support needs – it's a practical solution for your projects.

No Return Policy

All sales of this product are final and are non-refundable.

More Information
MRCOOL 18,000 BTU 5th Gen Hyper Heat Single Zone Mini Split Heat Pump Condenser - R454B | 230V
FeatureSpec
SKUDIYHH-18-HP-C-230D25-O
Weight (in lbs)83.11
AHRI Certificate Number216032552
Brand/ManufacturerMRCOOL
UPC840255588096
Cooling BTU18000 BTU
Heating BTU18000 BTU
Energy StarYes
RefrigerantR454B
HSPF211
SEER2 (Efficiency)21.2
EER212.5
Liquid Line1/4"
Suction Line1/2"
Electrical230V 1 Phase 60 Hz
Max Breaker Size25 Amps
Min. Breaker Size19 Amps
BTU/Tonnage18,000 BTU/1.5 Ton
Min/Max Outdoor Temp for Heating-22°F - 122°F
Min/Max Outdoor Temp for Cooling-22°F -122°F
Zone CompatibilitySingle Zone
Height26.5"
Width35.04"
Depth13.46"
Warranty7 Year Compressor / 5 Years Parts Warranty with Online Registration
Resources You will need Adobe® Acrobat® Reader to view PDF documents.
Safety InformationPROPOSITION 65 WARNING
MRCOOL 18,000 BTU DIY 5th Generation Single Zone Wall Mount Mini Split Air Handler - R454B | 230V
FeatureSpec
SKUDIY-18-HP-WMAH-230D25-O
Weight (in lbs)35.49
Brand/ManufacturerMRCOOL
ReplacesDIY-18-HP-WMAH-230C25
UPC810063868512
ControllerIncluded
Cooling BTU18,000 BTU
Heating BTU18,000 BTU
Maximum CFM706 Turbo / 618 Hi / 530 Med / 430 Lo CFM (Airflow)
Decibel Level (dBA)19.0 - 54.5 dBA
RefrigerantR454B
Liquid Line1/4"
Suction Line1/2"
Electrical208/230V | 1 Phase | 60Hz
BTU/Tonnage18,000 BTU/1.5 Ton
Mini Split TypeWall Mounted
Zone CompatibilitySingle Zone
Height13.19"
Width42.52"
Depth8.9"
Warranty7 Year Compressor / 5 Years Parts Warranty with Online Registration
Resources You will need Adobe Acrobat Reader to view PDF documents.
Safety InformationPROPOSITION 65 WARNING
Installation Kit for Condensers - Accessory Set
FeatureSpec
SKUMSK001
Weight (in lbs)15
Brand/ManufacturerOnline Supply
UPCna
Resources You will need Adobe® Acrobat® Reader to view PDF documents.
Safety InformationPROPOSITION 65 WARNING
21" Wall Mount Bracket for Mini Split Systems
FeatureSpec
SKU230-B2L
Weight (in lbs)9.2
Brand/ManufacturerOnline Supply
UPC0095247127436
Length40"
Height3"
Width6"
Safety InformationPROPOSITION 65 WARNING
E Lite Equipment Pad and Risers Kit 18" x 38" x 3"
FeatureSpec
SKU87762 / EL1838-3
Weight (in lbs)25
Brand/ManufacturerOnline Supply
UPCna
Height3"
Width18"
Depth38"
Safety InformationPROPOSITION 65 WARNING
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Why Choose MRCOOL?
Why Choose MRCOOL?

MRCOOL mini split systems combine innovative design with advanced manufacturing to deliver efficient, reliable comfort wherever you need it. Built with cutting-edge technology, these systems ensure optimal performance and flexibility for any space.

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