The MRCOOL DIY 12000 BTU Single Zone Mini Split gives you real control over heating and cooling in rooms up to 500 square feet, without hiring an HVAC technician for the install. It uses a patented QuickConnect precharged line set, so there is no vacuum pump, no gauges, and no refrigerant handling required to get it running.
This is a complete system: one outdoor condenser with a 25 ft precharged line set, one wall mount indoor air handler, and the wiring and remote needed to connect them.
Key Features
- ENERGY STAR certified for lower energy costs
- Patented QuickConnect precharged line set, no vacuum pump or HVAC tools needed for installation
- DIYPRO cable eliminates the need for electrical conduit
- Uses R454B refrigerant, a lower global warming potential option than R410A
- Wireless remote plus SmartHVAC app control for iOS and Android
- Compatible with Amazon Alexa and Google Assistant
- Follow Me sensor in the remote for consistent comfort
- Dry mode dehumidification
- Gold Fin condenser coil for corrosion resistance
- Intertek certified (5031495)
- 7 year compressor warranty, 5 year parts warranty
Specifications
| Model Number | DIY-12-HP-WM-115D25-O |
| System Type | Complete ductless mini split system, DIY installation |
| Zone Capacity | 1 |
| Cooling Capacity | 12000 BTU |
| Heating Capacity | 12000 BTU |
| Coverage Area | 350 to 500 sq ft |
| EER2 | 12.5 |
| SEER2 | 23.5 |
| HSPF2 | 10.2 (region 4), 7.6 (region 5) |
| Outdoor Operating Temperature, Cooling | -13°F to 122°F |
| Outdoor Operating Temperature, Heating | -13°F to 75°F |
| Outdoor Noise Level | 54 dB(A) |
| Indoor Noise Level (Hi/Mi/Lo) | 43.0 / 39.5 / 33.5 / 24.0 / 18.0 dB(A) |
| Condenser Dimensions | 30.12"W x 11.93"D x 21.85"H |
| Air Handler Dimensions | 31.57"W x 7.44"D x 11.69"H |
| Condenser Weight | 65.48 lbs |
| Air Handler Weight | 24.91 lbs |
| Electrical | 115V, 1 phase, 60 Hz |
| Max Fuse Breaker | 20A |
| Min Circuit Ampacity | 18A |
| Refrigerant | R454B, 30.34 oz precharged |
| Liquid Line Size | 1/4" |
| Suction Line Size | 3/8" |
| Max Line Set Length | 82 ft |
| Compressor Type | Inverter DC, Rotary |
| Certifications | UL Listed, ETL Listed, ENERGY STAR Certified, AHRI Certified |
| Warranty | 7 years compressor, 5 years parts |
| Country of Origin | Not Specified |
What's Included
- 1 outdoor condenser with 25 ft precharged QuickConnect line set (DIY-12-HP-C-115D25-O)
- 1 wall mount indoor air handler with communication wire (DIY-12-HP-WMAH-115D25-O)
- 1 remote control and WiFi USB
- Smartphone not included
Recommended Room Types
- Bedrooms and master suites
- Living rooms and family rooms
- Garages and workshops
- Basements and bonus rooms
- Home offices and studios
- Spaces without existing ductwork
Manufacturer Information
Full specifications sourced from the manufacturer's official product listing. Warranty registration is completed directly with the manufacturer after purchase.
Frequently Asked Questions
Does this system require ductwork?
No, this is a ductless mini split system.
Does this system provide both heating and cooling?
Yes, this is a heat pump system that provides both heating and cooling year round.
Can I install it myself?
Yes, the precharged QuickConnect line set is designed for self installation without HVAC tools or a vacuum pump. A licensed electrician is still required for the electrical hookup.
Shipping & Returns
This item ships via UPS, FedEx, or freight carrier depending on order size, with free shipping on qualifying orders over $1,000 within the 48 contiguous United States. Large systems are delivered curbside only; carriers do not provide inside delivery or installation. An adult signature is required at delivery. We do not ship to PO Boxes, Alaska, Hawaii, Puerto Rico, Guam, the U.S. Virgin Islands, the Northern Mariana Islands, Canada, or other international destinations. Please inspect all boxes for visible damage before signing for delivery, keep all original packaging until inspection is complete, and report any damage within 24 hours, with photos, to info@culinaryprofis.com. Our standard Return and Refund Policy applies once the item has shipped.
Warranty Information
MRCOOL backs this system with a 7 year compressor warranty and a 5 year parts warranty from the manufacturer.
Need help before ordering?
Call or text us at (914) 278-1007. Real support, no bots.