MRCOOL
MRCOOL® 36k DIY 5th Generation Mini-split Air Handler & Condenser 230v
3 Ton | SEER2 18 | R-454B | 208/230V
- 36000 BTU cooling capacity
- Up to 18 SEER2 rated efficiency
- Uses R-454B refrigerant
- Runs on 208/230V power
Key Specifications
Product Overview
MRCOOL® 36k DIY 5th Generation Mini-split Air Handler & Condenser 230v.
What this system is
- DIY-36-HP-C-230D25-O — MRCOOL® 36k DIY 5th Generation Mini-Split Condenser 230v
- DIY-36-HP-WMAH-230D25-O — MRCOOL® 36k DIY 5th Generation Mini-split Air Handler 230v
Outdoor condenser — DIY-36-HP-C-230D25-O
Installing an HVAC system may seem like a job for professionals, but the 5th Generation MRCOOL® DIY® 36k BTU 18 SEER Ductless Heat Pump Single Zone Mini Split Condenser is specifically designed for homeowners. Ideal for rooms between 1,000 and 1,500 sq. ft., this unit delivers efficient heating and cooling without the need for specialized tools or training.
The system includes a 25-foot Quick Connect® line set pre-charged with R-454B refrigerant to eliminate the need for vacuuming. Whether you're a seasoned DIYer or a first-timer, setup is straightforward and safe.
Control options are flexible and convenient. Use the included remote, access the SmartHVAC app from your smartphone, or manage the unit hands-free with Alexa or Google Assistant. The Follow Me® feature enhances comfort by monitoring the temperature around the remote and adjusting the system accordingly. The Gold Fin® condenser coating is corrosion-resistant, making this unit a great choice for coastal environments.
Multiple operating modes—including Auto, Sleep, and Timer—help maximize comfort while reducing energy use. Additionally, this system boasts an automatic restart feature designed to retain previous settings and continue seamless operation following a power outage.
The 5th Generation MRCOOL® DIY® 9k BTU 23.6 SEER Ductless Heat Pump Single Zone Mini-Split Condenser is protected by one of the strongest warranties in the industry with a 7-year compressor warranty and a 5-year parts warranty, and is MRCOOL® Care Program-Eligible.
Combining cutting-edge technology, straightforward DIY installation, and dependable performance, this system offers a worry-free solution for year-round comfort.
- NEEP ccASHP Listed
- 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.
| Model number | DIY-36-HP-C-230D25-O |
|---|---|
| UPC | 840255586986 |
| Series | DIY 5th gen Single-Zone Mini-splits |
| Refrigerant | R-454B |
| Refrigerant charge (oz) | 109.7 |
| Nominal tonnage | 3 |
| Cooling capacity (BTU/h) | 36000 |
| Heating capacity (BTU/h) | 36000 |
| SEER2 | 18 |
| EER2 | 8.5 |
| HSPF2 (region IV) | 8.5 |
| HSPF2 (region V) | 6.5 |
| Voltage | 208/230 |
| Phase | 1 |
| Cycle (Hz) | 60 |
| Min circuit ampacity (A) | 33 |
| Max fuse / breaker (A) | 35 |
| Compressor type | Rotary |
| Inverter | DC |
| Liquid line size (in) | 3/8 |
| Suction line size (in) | 5/8 |
| Line set included (ft) | 25 |
| Max line set length (ft) | 213.2 |
| Sound level (dBA) | 60.5 |
| Colour | White |
| Aux heater included | No |
| Aux heater available | No |
| Wi-Fi capable | Yes |
| AHRI certified | Yes |
| UL listed | Yes |
| ETL listed | Yes |
| Parts warranty (years) | 5 |
| Compressor warranty (yrs) | 7 |
| Net W x H x D (in) | 37.24 x 31.89 x 16.14 |
| Net weight (lbs) | 152.12 |
| Shipping W x H x D (in) | 42.91 x 37.01 x 19.88 |
| Shipping weight (lbs) | 183.42 |
Indoor unit — DIY-36-HP-WMAH-230D25-O
The 5th Generation MRCOOL® DIY® 36k BTU Ductless Mini-Split Heat Pump is a powerful and efficient option for heating and cooling spaces up to 1,550 sq. ft. Perfect for large rooms or open areas, this system is designed for true DIY installation—no special tools or professional assistance required. It’s a fast, affordable way to upgrade your home’s comfort.
The included DIYPRO® cable makes installation even easier by eliminating the need for electrical conduit, while offering added protection against outdoor elements and wildlife damage.
Controlling your comfort is simple and flexible. Use the included wireless remote, connect through the SmartHVAC app on iOS or Android, or manage the system hands-free with Amazon Alexa or Google Assistant. With the Follow Me® feature, the system senses the temperature around the remote and adjusts accordingly, providing more precise and even comfort. Dry Mode also helps by reducing humidity and improving indoor air quality.
The outdoor unit includes a corrosion-resistant Gold Fin® condenser coating, ideal for homes in coastal or humid environments.
For further peace of mind, you’ll receive a 7-year compressor warranty and 5-year parts warranty. This system is also eligible for the MRCOOL® Care Program. Enjoy smart control, dependable performance, and easy installation with MRCOOL® DIY®.
- NEEP ccASHP Listed
- 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.
| Model number | DIY-36-HP-WMAH-230D25-O |
|---|---|
| UPC | 840255587068 |
| Series | DIY 5th gen Single-Zone Mini-splits |
| Nominal tonnage | 3 |
| Voltage | 208/230 |
| Phase | 1 |
| Cycle (Hz) | 60 |
| Min circuit ampacity (A) | 3 |
| Max fuse / breaker (A) | 15 |
| Liquid line size (in) | 3/8 |
| Suction line size (in) | 5/8 |
| Filter type | Reusable |
| Mount type | Wall |
| Max coverage area | 1550 sqft |
| Sound level low (dBA) | 27.5 |
| Sound level high (dBA) | 55.5 |
| Colour | White |
| Aux heater included | No |
| Aux heater available | No |
| Wi-Fi capable | Yes |
| Remote included | Yes |
| AHRI certified | Yes |
| UL listed | Yes |
| ETL listed | Yes |
| Parts warranty (years) | 5 |
| Compressor warranty (yrs) | 7 |
| Net W x H x D (in) | 49.57 x 14.25 x 11.1 |
| Net weight (lbs) | 48.72 |
| Shipping W x H x D (in) | 53.94 x 16.57 x 18.74 |
| Shipping weight (lbs) | 67.9 |
Documents
- Specification sheet (DIY-36-HP-C-230D25-O) (PDF)
- Installation manual (DIY-36-HP-C-230D25-O) (PDF)
- Owner's manual (DIY-36-HP-C-230D25-O) (PDF)
- Service manual (DIY-36-HP-C-230D25-O) (PDF)
- Remote manual (DIY-36-HP-C-230D25-O) (PDF)
- Brochure (DIY-36-HP-C-230D25-O) (PDF)
- Warranty (DIY-36-HP-C-230D25-O) (PDF)
- AHRI certificate (DIY-36-HP-C-230D25-O) (PDF)
- EnergyGuide label (DIY-36-HP-C-230D25-O) (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 | Ductless Mini Split |
|---|---|
| Capacity | 36000 BTU |
| Tonnage | 3 Ton |
| SEER2 | 18 |
| EER2 | 8.5 |
| HSPF2 | 8.5 |
Electrical & Fuel
| Voltage | 208/230V |
|---|---|
| Phase | Single Phase |
| Refrigerant | R-454B |
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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