MRCOOL
MRCOOL® DIY 4th Gen 36k BTU Ductless Mini-Split Heat Pump Complete System - 208-230V/60Hz
3 Ton | SEER2 18.3 | R-410A | 208-230V
- 36000 BTU cooling capacity
- Up to 18.3 SEER2 rated efficiency
- Rotary compressor
- Uses R-410A refrigerant
Key Specifications
Product Overview
The MRCOOL® 4th Generation DIY® 36K BTU, 18 SEER Ductless Heat Pump is one of the most powerful single-zone systems offered in the DIY® Series. This complete system has the heating and cooling performance to cover an area up to 1500 sq. ft while still being able to achieve an 18 SEER efficiency rating. All of this performance is built into a system that can be easily installed by a homeowner with a few hand tools thanks to the patented MRCOOL® Pre-Charged Quick Connect® Line Set that makes connecting refrigerant piping as simple as turning a few wrenches. The benefits of this system are not limited to the performance and ease of installation. This system also has many operational functions and features that sets it apart. The user can select from up to six operation modes AUTO, HEAT, COOL, FAN-ONLY, DRY (dehumidification), and SLEEP. This system features a Follow Me® function which can constantly adjust the temperature of the room by sensing the temperature from the location of the handheld remote controller. This system can also be operated with an Apple or Android smartphone by downloading the Smart HVAC app. Confidence comes standard with the MRCOOL® DIY® 36K system, featuring 7-year compressor and 5-year parts coverage, plus eligibility to enroll in the MRCOOL® Care Program.
Features
- Up to 18.3 SEER2
- Gold Fin® condenser: corrosion-resistant coastal living - don't worry, our condenser is built to resist long term corrosion
- Variable-speed DC inverter compressor technology cuts operating costs
- R-410A environmentally friendly refrigerant
- Standard 7-year compressor/5-year parts warranty
Additional specifications
| UPC | 810035935181 |
|---|---|
| Series | DIY 4th Gen E STAR |
| Refrigerant charge (oz) | 111.1 |
| Heating capacity (BTU/h) | 36000 |
| HSPF2 (region V) | 6.4 |
| SEER | 18 |
| EER | 8.7 |
| HSPF (region IV) | 12 |
| HSPF (region V) | 9 |
| Airflow (CFM) | 673.53/502.94/367.65 |
| Cycle (Hz) | 60 |
| Min circuit ampacity (A) | 28 |
| Max fuse / breaker (A) | 35 |
| Inverter | Yes |
| Line set included (ft) | 25 |
| Max line set length (ft) | 75 |
| Max coverage area | Up to 1500 |
| Sound level low (dBA) | 34 |
| Sound level high (dBA) | 52 |
| Min ambient cooling (F) | 5 ~ 122 |
| Min ambient heating (F) | 5 ~ 75 |
| Aux heater included | No |
| Aux heater available | No |
| Wi-Fi capable | Yes |
| Remote included | Yes |
| AHRI certified | Yes |
| ENERGY STAR certified | No |
| UL listed | Yes |
| Parts warranty (years) | 5-year Parts |
| Compressor warranty (yrs) | 7-year Compressor |
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 | 36000 BTU |
| Tonnage | 3 Ton |
| Compressor / Stages | Rotary |
| SEER2 | 18.3 |
| EER2 | 8.7 |
| HSPF2 | 8 |
| Sound Level | 52/45/34 dBA |
Electrical & Fuel
| Voltage | 208-230V |
|---|---|
| Phase | Single Phase |
| Refrigerant | R-410A |
| Connection Size | Liquid 3/8" / Suction 5/8" |
Physical & Certifications
| 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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