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
| Type | Condenser (outdoor unit) — heat pump (heats & cools) |
|---|---|
| Series | DIY 5th Gen |
| Cooling capacity | 18,000 BTU |
| Heating capacity | 18,000 BTU |
| Nominal size | 1.5 tons |
| Zones | Single zone |
| SEER2 | 22.5 |
| EER2 | 13.7 |
| HSPF2 | 11.5 |
| Sound level | 58.5 dBA |
| Voltage | 208/230V |
|---|---|
| Phase | 1-phase |
| Min. circuit ampacity (MCA) | 18 A |
| Max. breaker (MOP) | 20 A |
| Inverter compressor | Yes |
| Wi-Fi / app control | Yes |
| Refrigerant | R-454B |
|---|---|
| Factory charge | 44.8 oz |
| Line set | 25 ft included |
| Max. line length | 98.4 ft |
| Liquid line | 1/4" |
| Suction line | 1/2" |
| Installation | DIY — pre-charged quick-connect line set, no vacuum pump needed |
| Dimensions (in) | 35.04 W × 13.46 D × 26.5 H |
|---|---|
| Weight | 93.48 lb |
| Shipping weight | 114.2 lb |
| Color | White |
| ENERGY STAR | Yes |
|---|---|
| AHRI certified | Yes |
| Safety listing | UL, ETL |
| Compressor warranty | 7 years |
| Parts warranty | 5 years |
| UPC | 840255586962 |

