Product overview
MRCOOL DIY 18K BTU 5th Gen Ductless Mini Split Condenser - 230V
Introducing the new 5th Generation MRCOOL® DIY® 18K BTU 22.5 SEER Ductless Heat Pump Single Zone Mini Split Condenser, a game-changer for home climate control. Designed for straightforward installation, it requires no specialized tools or professional help, making it an excellent choice for spaces ranging from 500-750 sq. ft. The system includes a pre-charged 25-foot QuickConnect® line set filled with R-454B refrigerant, streamlining installation by eliminating the need for vacuuming. The DIYPRO® cable adds extra protection against weather, animals, and yardwork damage, replacing the need for traditional electrical conduit. Managing your home's temperature has never been easier.
You can adjust settings using the included remote, the SmartHVAC app for Apple and Android devices, or voice commands via Amazon Alexa and Google Assistant. The Gold Fin Condenser enhances durability, providing excellent corrosion resistance for coastal environments. Designed for efficiency and comfort, this system offers multiple features. The Timer function helps control energy use, while Auto mode maintains your preferred temperature without manual adjustments. After a power outage, the unit automatically restores previous settings, and the anti-mildew function prevents excess moisture buildup inside the air handler. Built for long-term reliability, the 5th Generation MRCOOL® DIY® Mini Split comes with an industry-leading warranty, featuring a limited lifetime warranty, plus 7 years on the compressor and 5 years on parts. With its innovative design, simple installation, and dependable performance, this system delivers hassle-free comfort for your home.
Product Specifications:
| BRAND NAME | MRCOOL |
| SERIES | DIY 5th gen Single-Zone Mini-splits |
| MODEL | DIY-18-HP-C-230D25-O |
| GTIN | 840255586962 |
| UPC | 840255586962 |
| SHORT DESCRIPTION | MRCOOL® 18k DIY 5th Generation Mini-Split Condenser 230v |
| SEER2 | 22.5 |
| EER2 | 13.7 |
| HSPF2-4 | 11.5 |
| HSPF2-5 | 8.5 |
| TONNAGE | 1.5 |
| COOLING CAPACITY (BTU) | 18000 |
| HEATING CAPACITY (BTU) | 18000 |
| VOLTAGE (V) | 208/230 |
| PHASE | 1 |
| CYCLE | 60 |
| MAX FUSE BREAKER (A) | 20 |
| MIN CIRCUIT AMPACITY (A) | 18 |
| COLOR | White |
| ZONE CAPACITY | 1 |
| REFRIGERANT TYPE | R-454B |
| REFRIGERANT VOLUME (OZ) | 44.8 |
| DECIBEL RATING (DBA) | 58.5 |
| INVERTER | DC |
| LINE SET LENGTH | 25 |
| MAX LINESET LENGTH (FT) | 98.4 |
| LIQUID LINE SIZE | 1/4 |
| SUCTION LINE SIZE | 1/2 |
| COMPRESSOR MOTOR TYPE | Rotary |
| AUXILIARY HEATER INCLUDED | No |
| AUXILIARY HEATER AVAILABLE | No |
| FAN ONLY OPTION | Yes |
| QUIET MODE | Yes |
| AUTO COOL | Yes |
| WIFI COMPATIBILITY | Yes |
| APP COMPATIBILITY | Yes |
| WORKS WITH IOS | Yes |
| WORKS WITH ANDROID | Yes |
| UL LISTED | Yes |
| ETL LISTED | Yes |
| ENERGY STAR CERTIFIED | Yes |
| AHRI CERTIFIED | Yes |
| REGISTERED WARRANTY | Extended Limited Lifetime* |
| BASE PARTS WARRANTY | 5 |
| BASE COMPRESSOR WARRANTY | 7 |
| HAS BATTERIES | Yes |
| CONTAINS ELECTRONICS | Yes |
| CONTAINS CHEMICALS | Yes |
| CONTAINS AEROSOL | Yes |
| CONTAINS COMPRESSED GAS | Yes |
| PROPOSITION 65 WARNING | Yes |
| NET DEPTH (IN) | 13.46 |
| NET HEIGHT (IN) | 26.5 |
| NET WIDTH (IN) | 35.04 |
| NET WEIGHT (LBS) | 93.48 |
| GROSS DEPTH (IN) | 18.11 |
| GROSS HEIGHT (IN) | 29.53 |
| GROSS WIDTH (IN) | 40.55 |
| GROSS WEIGHT (LBS) | 114.2 |
In-stock systems ship fast and free with curbside freight delivery, typically arriving in 4–10 days. Please inspect each box at delivery and note any damage on the receipt before signing — it keeps any freight claim quick and simple.
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At a glance
Tech specs
| Condenser capacity | 18K BTU |
|---|---|
| Zones / rooms | 1 Zone |
| Mount type | Wall |
| Installation | DIY |
| Brand | MRCOOL |
Sizing in doubt? Our HVAC experts confirm capacity for your rooms before you order — free. Ask us about utility rebates for high-efficiency heat pumps in your area.
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