MRCOOL
MRCOOL DIY Select 1st Gen - R454B - 12K BTU 115V Condenser w/ 11ft Install Kit
DIYS-12-HP-C-115A11-O
12,000 BTU · 17.5 SEER2 · 115V · R-454B
Part of DIY Select – Condensers
- Cooling capacity
- 12,000 BTU1 ton
- Efficiency
- 17.5 SEER29 HSPF2
- Power
- 115V20A breaker
- Refrigerant
- R-454B
- Install
- DIYPre-charged, no vacuum
$999.96 each
Not sure about the size? Use the BTU sizing calculator, or call us and we'll size it with you. This is a DIY system: the pre-charged line set connects without a vacuum pump or gauges.
Distributor pricing and stock: call 678-467-5515 or email sales@discountkings.net.
About this product
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.
Documents & manuals
Specifications
| Type | Condenser (outdoor unit) — heat pump (heats & cools) |
|---|---|
| Series | DIY Select |
| Cooling capacity | 12,000 BTU |
| Heating capacity | 12,000 BTU |
| Nominal size | 1 ton |
| Zones | Single zone |
| SEER2 | 17.5 |
| EER2 | 8.5 |
| HSPF2 | 9 |
| Sound level | 54 dBA |
| Voltage | 115V |
|---|---|
| Phase | 1-phase |
| Min. circuit ampacity (MCA) | 19.5 A |
| Max. breaker (MOP) | 20 A |
| Inverter compressor | Yes |
| Refrigerant | R-454B |
|---|---|
| Factory charge | 21.52 oz |
| Max. line length | 75 ft |
| Liquid line | 1/4" |
| Suction line | 3/8" |
| Installation | DIY — pre-charged quick-connect line set, no vacuum pump needed |
| Dimensions (in) | 28.35 W × 10.63 D × 19.49 H |
|---|---|
| Weight | 54.89 lb |
| Shipping weight | 67.24 lb |
| Color | White |
| AHRI certified | Yes |
|---|---|
| Safety listing | UL, ETL |
| Compressor warranty | 2 years |
| Parts warranty | 1 years |
| UPC | 840255595674 |

