MRCOOL
MRCOOL® 18k DIY 5th Generation Mini-Split Condenser 230v
1.5 Ton | SEER2 22.5 | R-454B | 208/230V
- 18000 BTU cooling capacity
- Up to 22.5 SEER2 rated efficiency
- Rotary compressor
- Uses R-454B refrigerant
Key Specifications
Product Overview
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.
Features
- 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.
Additional specifications
| UPC | 840255586962 |
|---|---|
| Series | DIY 5th gen Single-Zone Mini-splits |
| Refrigerant charge (oz) | 44.8 |
| Heating capacity (BTU/h) | 18000 |
| HSPF2 (region V) | 8.5 |
| Cycle (Hz) | 60 |
| Min circuit ampacity (A) | 18 |
| Max fuse / breaker (A) | 20 |
| Inverter | DC |
| Line set included (ft) | 25 |
| Max line set length (ft) | 98.4 |
| Aux heater included | No |
| Aux heater available | No |
| Wi-Fi capable | Yes |
| AHRI certified | Yes |
| ENERGY STAR certified | Yes |
| UL listed | Yes |
| ETL listed | Yes |
| Parts warranty (years) | 5 |
| Compressor warranty (yrs) | 7 |
| Shipping W x H x D (in) | 40.55 x 29.53 x 18.11 |
| Shipping weight (lbs) | 114.2 |
Documents
- Specification sheet (PDF)
- Installation manual (PDF)
- Owner's manual (PDF)
- Service manual (PDF)
- Remote manual (PDF)
- Brochure (PDF)
- Warranty (PDF)
- AHRI certificate (PDF)
- EnergyGuide label (PDF)
WARNING: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov.
Technical Specifications
Performance
| System Type | Mini Split Condenser |
|---|---|
| Capacity | 18000 BTU |
| Tonnage | 1.5 Ton |
| Compressor / Stages | Rotary |
| SEER2 | 22.5 |
| EER2 | 13.7 |
| HSPF2 | 11.5 |
| Sound Level | 58.5 dBA |
Electrical & Fuel
| Voltage | 208/230V |
|---|---|
| Phase | Single Phase |
| Refrigerant | R-454B |
| Connection Size | Liquid 1/4" / Suction 1/2" |
Physical & Certifications
| Dimensions (W x H x D) | 35.04 x 26.5 x 13.46 |
|---|---|
| Weight | 93.48 lb |
| Color / Finish | White |
Shipping & Delivery
Installation video
Published by MRCOOL. Watch the full walkthrough before you start, and follow the installation manual for this model — the video is a guide, not a substitute for it.
Manufacturer Warranty
Covered by MRCOOL's limited warranty. Warranty terms are set by MRCOOL and differ by product line — whether registration is required, and whether the installation has to be performed by a state-licensed HVAC contractor, is not the same across the range. In every case coverage depends on the unit being installed according to MRCOOL's instructions and all applicable codes and permits. MRCOOL's warranty document for this model is the controlling source; ask us and we'll send you the one that applies.
Professional Installation Recommended
Most HVAC equipment must be installed and connected by a licensed professional to remain safe, code-compliant, and eligible for manufacturer warranty coverage. If you're unsure about installation requirements, contact us before you order.
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