MRCOOL
MRCOOL DIY Easy Pro - R454B DIY 12K BTU Ductless Mini-Split Heat Pump Wall Mounted Air Handler, 115V, with 13' Communication Cable
EZPRO-12-HP-WMAH-115DE-O
12,000 BTU · 115V · R-454B
Part of DIY Easy Pro – Air Handlers
- Cooling capacity
- 12,000 BTU1 ton
- Room size
- 550 sq ft
- Power
- 115V15A breaker
- Refrigerant
- R-454B
- Install
- DIYPre-charged, no vacuum
$511.68 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.
Build a multi-zone system with this air handler →
Distributor pricing and stock: call 678-467-5515 or email sales@discountkings.net.
About this product
The MRCOOL® EasyPro® 12K BTU 115V Ductless Mini-Split Heat Pump Air Handler delivers efficient, reliable heating and cooling for spaces up to 550 square feet. Ideal for garages, home offices, workshops, and similar rooms, it provides consistent year-round comfort while helping reduce energy use and utility costs. Designed for true do-it-yourself installation, the system requires no specialized HVAC tools or professional labor. Compatible with the MRCOOL® Quick Connect® line set which comes factory pre-charged with environmentally friendly R-454B refrigerant, this system effectively eliminates the need for vacuum pumps and refrigerant handling. The 13-foot DIYPRO® cable replaces traditional electrical conduit, simplifying installation while protecting wiring from moisture, pests, and everyday wear. Comfort control is easy using the included wireless remote or the MRCOOL® Comfort app, allowing temperature adjustments, scheduling, and energy monitoring from anywhere. Compatibility with Amazon Alexa and Google Assistant adds hands-free convenience. Features like Dry Mode, Sleep Mode, Auto Mode, and programmable scheduling automatically balance comfort and efficiency. A Gold Fin® condenser coating provides enhanced corrosion resistance for long-term durability in humid or coastal environments. For added confidence, the MRCOOL® EasyPro® 12K is backed by a 5-year compressor warranty and a 3-year parts warranty. This level of industry-leading protection showcases the pride MRCOOL takes in the quality and dependability of every system produced.
Documents & manuals
Specifications
| Type | Air handler (indoor unit) — heat pump (heats & cools) |
|---|---|
| Series | DIY Easy Pro |
| Cooling capacity | 12,000 BTU |
| Nominal size | 1 ton |
| Zones | Single zone |
| Coverage | 550 sq. ft. |
| Airflow | 353.2 / 294.3 / 235.4 / 176.6 / 129.5 CFM |
| Sound level | 17.5–44.5 dBA |
| Voltage | 115V |
|---|---|
| Phase | 1-phase |
| Min. circuit ampacity (MCA) | 3 A |
| Max. breaker (MOP) | 15 A |
| Wi-Fi / app control | Yes |
| Refrigerant | R-454B |
|---|---|
| Installation | DIY — pre-charged quick-connect line set, no vacuum pump needed |
| Dimensions (in) | 31.57 W × 7.87 D × 11.61 H |
|---|---|
| Weight | 24.91 lb |
| Shipping weight | 35.71 lb |
| Color | White |
| Parts warranty | 3 years |
|---|---|
| UPC | 840255595469 |

