12,000 BTU
25.5 SEER2
13.5 EER
10.5 HSPF2
ENERGY STAR
R454B
-22°F Hi-Heat
Built-In Wi-Fi
7yr / 5yr Warranty
Midea 12K BTU Wall Mount Hi-Heat Pump — -22°F
This package includes one Midea Wall Mount indoor unit (D5FSHA) with remote, and one (-22°F) Hi-Heat Pump outdoor unit (D5CSHA) with R454B refrigerant. The Midea 12,000 BTU D5CSH is not a standard entry-level mini split — it's a high-efficiency hyper heat pump engineered for year-round performance in cold climates. With 25.5 SEER2 efficiency and heating capacity down to -22°F outdoor temperatures, this unit is purpose-built for homeowners in northern states, high-altitude regions, and anyone who wants a system that works in February, not just July. Covers spaces up to 500–600 square feet.
Delivers 12,000 BTU cooling and heating with 25.5 SEER2 efficiency and ENERGY STAR certification. Operates from -22°F to 122°F (cooling) and -22°F to 75°F (heating) outdoor ambient, maintaining 95% of rated heat output at 5°F. Includes Inverter-driven variable-speed compressor, Intelligent EYE Sensor, Humidity Control, ECO, Turbo, Sleep, Timer, Follow Me, Active Clean (i-Clean), Freeze Protection Function (46°F Heating), Silent Mode, Gear, LED display on/off, Horizontal Swing, Vertical Swing, 1%–100% Fan Speed Setting, Breeze Away, and Leak Mitigation Sensor.
β Frequently Asked Questions
How cold can this system operate?
Yes — this Hi-Heat Pump system is rated for heating down to -22°F, making it a true primary heat source in the most severe winter climates without needing backup heat. It maintains 95% of rated heat output at 5°F where most standard heat pumps lose significant output below 25°F.
What is the Intelligent EYE Sensor?
The EYE Sensor detects occupancy in the room and automatically adjusts airflow direction to avoid blowing directly on people — improving comfort while reducing energy waste in unoccupied areas.
What smart controls are included?
The package includes built-in Wi-Fi for control via the Midea app, plus a standard IR remote and a built-in Leak Mitigation Sensor for diagnostics.
Will my warranty be valid if I don't use a licensed installer?
No. To maintain the manufacturer warranty, this system must be installed by a licensed HVAC technician. DIY installation voids the warranty. Registration is also REQUIRED at mideaductlesswarranty.com.