DIY Select 1st Gen - R454B - 12K BTU 115V Condenser w/ 11ft Install Kit (Complete System)
The MRCOOL® DIY® Select 12K BTU 115V Ductless Heat Pump Single Zone Mini-Split Condenser is designed to make HVAC installation simple and accessible for homeowners. Built for true do-it-yourself installation, it...
The MRCOOL® DIY® Select 12K BTU 115V Ductless Heat Pump Single Zone Mini-Split Condenser is designed to make HVAC installation simple and accessible for homeowners. Built for true do-it-yourself installation, it requires no specialized tools, certifications, or prior HVAC experience. Ideal for garages, home offices, studios, and similar spaces, it delivers reliable heating and cooling for areas up to 550 square feet. Despite its DIY®-friendly design, the system delivers strong performance with a 17.5 SEER2 cooling rating and 9 HSPF2-4 heating efficiency, providing consistent, energy-efficient comfort year-round while helping control utility costs. Installation is further simplified with an 11.5-foot Quick Connect® line set that arrives factory pre-charged with environmentally friendly R-454B refrigerant, eliminating the need for vacuum pumps or refrigerant handling. Most components are included, making setup faster and more approachable for first-time installers. Comfort control is easy using the included wireless remote or the MRCOOL® Comfort app, which allows remote temperature control, scheduling, and energy monitoring. Compatibility with Amazon Alexa and Google Assistant adds hands-free convenience. Features like Sleep Mode, Dry Mode, Auto, and a Gold Fin® condenser coating enhance comfort and durability, even in humid or coastal environments. MRCOOL® offers enhanced peace of mind with their 2-year compressor warranty and 1-year parts warranty for homeowners.
Specifications
| UNIT TYPE | Mini-Split |
| EQUIPMENT TYPE | Condenser |
| SEER2 | 17.5 |
| EER2 | 8.5 |
| HSPF2-4 | 9 |
| HSPF2-5 | 6.8 |
| TONNAGE | 1 |
| COOLING CAPACITY (BTU) | 12000 |
| HEATING CAPACITY (BTU) | 12000 |
| VOLTAGE (V) | 115 |
| PHASE | 1 |
| CYCLE | 60 |
| MAX FUSE BREAKER (A) | 20 |
| MIN CIRCUIT AMPACITY (A) | 19.5 |
| COLOR | White |
| ZONE CAPACITY | 1 |
| REFRIGERANT TYPE | R-454B |
| REFRIGERANT VOLUME (OZ) | 21.52 |
| DECIBEL RATING (DBA) | 54 |
| INVERTER | Yes |
| LINESET INCLUDED | Yes |
| LINE SET LENGTH | 11.5 ft. |
| MAX LINESET LENGTH (FT) | 75 ft. |
| LIQUID LINE SIZE | 1/4 |
| SUCTION LINE SIZE | 3/8 |
| COMPRESSOR MOTOR TYPE | Rotary |
| CONDENSER FAN MOTOR TYPE | DC |
| CONDENSER FAN MOTOR RPM | 800/700/600 |
| METERING DEVICE | EEV |
| UL LISTED | Yes |
| CSA LISTED | Yes |
| ETL LISTED | Yes |
| ENERGY STAR CERTIFIED | No |
| AHRI CERTIFIED | Yes |
| BASE WARRANTY | 1 Year Parts, 2 Years Compressor |
| BASE PARTS WARRANTY | 1 Year Parts |
| BASE COMPRESSOR WARRANTY | 2 Years Compressor |
| CONTAINS ELECTRONICS | Yes |
| CONTAINS CHEMICALS | Yes |
| CONTAINS COMPRESSED GAS | Yes |
| PROPOSITION 65 WARNING | Yes |
| NET DEPTH (IN) | 10.63 |
| NET HEIGHT (IN) | 19.49 |
| NET WIDTH (IN) | 28.35 |
| NET WEIGHT (LBS) | 54.89 |
| GROSS DEPTH (IN) | 16.54 |
| GROSS HEIGHT (IN) | 27.36 |
| GROSS WIDTH (IN) | 36.22 |
| GROSS WEIGHT (LBS) | 67.24 |
Resources & Manuals