MRCOOL
MRCOOL® DIY 4th Gen Multi-Zone 2-Zone Condenser
SEER2 21.2 | R-410A | 208-230V
- 18000 BTU cooling capacity
- Up to 21.2 SEER2 rated efficiency
- Twin - Rotary compressor
- Uses R-410A refrigerant
Key Specifications
Product Overview
The 4th Generation MRCOOL® DIY® 18K BTU 2-Zone Ductless Heat Pump Condenser is the latest in heat pump technology. This 2-zone condenser, when paired with select MRCOOL® air handlers, is capable of producing an impressive 21 SEER efficiency rating. It also has the ability to heat even when temperatures drop to -13°F. It features robust construction which includes a Gold Fin® condenser coating so it is sure to withstand exposure to the elements. As a MRCOOL® DIY® product, this heat pump is designed specifically to be used with MRCOOL's® R-410A Pre-Charged Quick Connect® Line Sets—so homeowners can avoid refrigerant handling and brazing. They are also equipped with quick connectors, so the line set can be connected to the condenser by the homeowner using only wrenches. This means the installation process can be performed without retaining the services of a certified technician. The MRCOOL® DIY® 18K system is supported by comprehensive warranty coverage, including a 7-year compressor warranty and 5-year parts protection, and eligibility for the MRCOOL® Care Program. Let the 4th Generation MRCOOL® DIY® 18K be the solution to your home’s heating and cooling needs.
Features
- Up to 21 SEER
- Gold Fin® condenser: corrosion resistant - live on the coast? Don't worry, our condenser is built to resist long term corrosion
- Energy Efficient DC Inverter
- R-410A environmentally friendly refrigerant
- Standard 7-year compressor/5-year parts warranty
- Line sizes 1/4”, 1/2” & 3/8”, 5/8”
Additional specifications
| UPC | 810063869496 |
|---|---|
| Series | DIY 4th Gen Multi-Zone |
| Refrigerant charge (oz) | 65.26 |
| Heating capacity (BTU/h) | 19000 |
| SEER | 21 |
| EER | 12.5 |
| HSPF (region IV) | 10.6 |
| HSPF (region V) | 8.6 |
| Airflow (CFM) | 1764.71 |
| Cycle (Hz) | 60 |
| Min circuit ampacity (A) | 18 |
| Max fuse / breaker (A) | 25 |
| Inverter | Yes |
| Max line set length (ft) | 123 TOTAL |
| Min ambient cooling (F) | 5 ~ 122 |
| Min ambient heating (F) | -13 ~ 75.2 |
| Wi-Fi capable | Yes |
| Parts warranty (years) | 5-year Parts |
| Compressor warranty (yrs) | 7-year Compressor |
| Shipping W x H x D (in) | 40.94 x 29.33 x 17.64 |
| Shipping weight (lbs) | 111 |
Documents
- Specification sheet (PDF)
- Installation manual (PDF)
- Owner's manual (PDF)
- Service manual (PDF)
- Remote manual (PDF)
- Technical manual (PDF)
- Brochure (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 |
|---|---|
| Capacity | 18000 BTU |
| Compressor / Stages | Twin - Rotary |
| SEER2 | 21.2 |
| EER2 | 12.5 |
| Sound Level | 59 dBA |
Electrical & Fuel
| Voltage | 208-230V |
|---|---|
| Phase | Single Phase |
| Refrigerant | R-410A |
| Connection Size | Liquid 1/4" / Suction 1/2" |
Physical & Certifications
| Dimensions (W x H x D) | 35.04 x 26.50 x 13.46 |
|---|---|
| Weight | 100.53 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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