0% Financing for 12 Months* or up to 48 Months* Terms Available - Buy Now and Pay later!

MRCOOL 18,000 BTU DIY 5th Gen Energy Star 21.5 SEER2 Single Zone Wall Mount Mini Split Heat Pump System w/ 25' Line Set – R454B | 230V

SAVE $587.60

Required Fields *

ONLY 2 LEFT!
Free Shipping
By

MRCOOL

In stock

Model

DIY-18-HP-WM-230D25-O

ID

198416

Was $3,496.60
Your Low Price $2,909.00
 
Product Features
  • Includes 25ft Line Set
  • Perfect for a 500-750 sq ft Rooms
  • High-efficiency inverter performance for lower energy use
  • Quiet operation designed for everyday comfort
  • True DIY Installation
  • Wi-Fi & Smartphone App Capabilities
Customize MRCOOL 18,000 BTU DIY 5th Gen Energy Star 21.5 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   + $1,978.00
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
Cielo Breez Max Mini Split Thermostat with WiFi
MRCOOL 18,000 BTU DIY 5th Gen Energy Star 21.5 SEER2 Single Zone Wall Mount Mini Split Heat Pump System w/ 25' Line Set – R454B | 230V

$2,909.00

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 (DIY-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.

More Information
MRCOOL 18,000 BTU DIY 5th Generation Single Zone Mini Split Heat Pump Condenser - R454B | 230V
FeatureSpec
SKUDIY-18-HP-C-230D25-O
Refrigerant Charge2.8 lbs (Pre-Charged for 25ft Line Set)
Weight (in lbs)93.48
AHRI Certificate Number216032545
Brand/ManufacturerMRCOOL
UPC840255586962
Cooling BTU18,000 BTU
Heating BTU18,000 BTU
Decibel Level (dBA)58.5 dBA
Energy StarYes
RefrigerantR454B
HSPF211.5
SEER2 (Efficiency)22.5
EER213.7
Liquid Line1/4"
Suction Line1/2"
Electrical208/230V | 1 Phase | 60Hz
Max Breaker Size20 Amps
Min. Breaker Size18 Amps
BTU/Tonnage18,000 BTU/1.5 Ton
Mini Split TypeWall Mounted
Min/Max Outdoor Temp for Heating-13°F - 75°F
Min/Max Outdoor Temp for Cooling-13°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
Cielo Breez Max Mini Split Thermostat with WiFi
FeatureSpec
SKUBM101WA
Weight (in lbs)1
Brand/ManufacturerCielo
UPCna
ElectricalMicro USB with Standard Plug
Height4.25"
Width4.25"
Depth1"
Warranty1 Year Full Replacement
Resources You will need Adobe® Acrobat® Reader to view PDF documents.
Safety InformationPROPOSITION 65 WARNING
Write Your Own Review
You're reviewing:MRCOOL 18,000 BTU DIY 5th Gen Energy Star 21.5 SEER2 Single Zone Wall Mount Mini Split Heat Pump System w/ 25' Line Set – R454B | 230V
Your Rating
Customer Questions
No Questions
Did you find what you were looking for?
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.

blockboard tech