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MRCOOL

MRCOOL 18k DIY 5th Generation Mini-Split Condenser 230v

DIY-18-HP-C-230D25-O

18,000 BTU · 22.5 SEER2 · 208/230V · R-454B

Part of DIY 5th Gen – Condensers

Cooling capacity
18,000 BTU1.5 tons
Efficiency
22.5 SEER211.5 HSPF2
Power
208/230V20A breaker
Refrigerant
R-454B25 ft line set
Install
DIYPre-charged, no vacuum

$1,978.00 each

Not sure about the size? Use the BTU sizing calculator, or call us and we'll size it with you. This is a DIY system: the pre-charged line set connects without a vacuum pump or gauges.

Distributor pricing and stock: call 678-467-5515 or email sales@discountkings.net.

About this product

Tackling an HVAC installation yourself may seem daunting, but the 5th Generation MRCOOL® DIY® 18k BTU 22.5 SEER Ductless Heat Pump Single Zone Mini Split Condenser is built to make the process straightforward and hassle-free. This unit is perfect for heating or cooling spaces ranging from 800 square feet, and is designed specifically for homeowners—no special tools or prior experience needed. The system comes with a 25-foot Quick Connect® line set, pre-charged with R-454B refrigerant, which means there’s no need to vacuum the lines. This makes the installation process faster, safer, and more affordable. You’ll enjoy flexible control options, including a handheld remote, the SmartHVAC app for iOS and Android, and compatibility with voice control through Amazon Alexa and Google Assistant. The Follow Me® feature helps maintain your ideal comfort by adjusting the temperature based on where the remote is located. Additionally, the corrosion-resistant Gold Fin® condenser coating is ideal for coastal environments, offering extra durability and extended performance. With user-friendly features like Auto mode, programmable timers, and automatic restart after power outages, the system is engineered for efficiency and convenience. The unit is backed by MRCOOL’s industry-leading support: a base warranty that includes 7-year compressor and 5-year parts coverage and eligibility for the MRCOOL® Care Program. It’s an innovative, reliable solution designed to put control and comfort directly in your hands.

  • Intertek listed 5031495
  • Easy DIY installation
  • Future-proof your investment with the included DIYPro® cable, eliminating the need for electrical conduit.
  • Keep the included remote close by, and MRCOOL DIY®'s Follow Me® function will track the air temperature around you to ensure maximum comfort.
  • The MRCOOL® Smart HVAC Controller® Module and App fully support Google Assistant & Amazon Alexa out of the box.

Documents & manuals

Specifications

Capacity & efficiency
TypeCondenser (outdoor unit) — heat pump (heats & cools)
SeriesDIY 5th Gen
Cooling capacity18,000 BTU
Heating capacity18,000 BTU
Nominal size1.5 tons
ZonesSingle zone
SEER222.5
EER213.7
HSPF211.5
Sound level58.5 dBA
Electrical
Voltage208/230V
Phase1-phase
Min. circuit ampacity (MCA)18 A
Max. breaker (MOP)20 A
Inverter compressorYes
Wi-Fi / app controlYes
Refrigerant & line set
RefrigerantR-454B
Factory charge44.8 oz
Line set25 ft included
Max. line length98.4 ft
Liquid line1/4"
Suction line1/2"
InstallationDIY — pre-charged quick-connect line set, no vacuum pump needed
Physical
Dimensions (in)35.04 W × 13.46 D × 26.5 H
Weight93.48 lb
Shipping weight114.2 lb
ColorWhite
Certifications, warranty & ordering
ENERGY STARYes
AHRI certifiedYes
Safety listingUL, ETL
Compressor warranty7 years
Parts warranty5 years
UPC840255586962