Midea MTIU-12HWFNX-QRD0W(GA) (12000 BTU) is an inverter ducted indoor unit designed for concealed installation above a suspended ceiling. It is an optimal choice for offices, commercial spaces, studios, and apartments where a clean interior without wall-mounted units matters, and where air needs to be distributed evenly across zones via ductwork. Thanks to its low height, the model can be installed conveniently even in rooms with low ceilings.
The unit features high seasonal efficiency: A++ in cooling and A+ in heating, with SEER 6.30 and SCOP 4.00. This means lower running costs over the season and more stable temperature control compared to classic on/off systems.
What the functions deliver in real use
• Sleep mode — the air conditioner automatically adjusts temperature for comfortable rest:
in cooling, it increases the setpoint by 1°C during the first 2 hours, then holds it; in heating, it decreases by 1°C during the first 2 hours. Result: lower risk of overcooling and reduced energy use at night.
• Anti-Cold Air protection — when heating starts, the fan speed is regulated based on evaporator temperature to avoid blowing cool air at the beginning. Comfort without an “icy start”.
• Automatic defrost — supports stable operation at low outdoor temperatures and helps maintain efficiency in heating/dehumidification modes.
• Fresh air intake — the option to mix in outdoor air through an additional ventilation duct, improving indoor air quality (relevant for offices and high-occupancy spaces).
• Auto restart — after a power outage, the unit turns back on and continues with the previous settings, which is convenient for businesses and sites without constant supervision.
• Built-in drain pump — lifts condensate up to 750 mm, simplifying installation in challenging conditions (when a natural slope cannot be arranged).
• Twin system — supports a configuration where two indoor units of different capacities from the same series connect to one outdoor unit (useful for flexible projects).
• Simplified servicing — the design is optimized for faster service and easier access to key components.
• Wired control — a wall-mounted wired controller enables fixed, stationary operation (practical for offices).
• Centralized control (optional) — one controller can manage up to 64 indoor units, with a total connection length of up to 1200 m — a solution for buildings, malls, business centers, and multi-zone facilities.
Why choose a ducted indoor unit
• Concealed installation: only grilles/diffusers are visible — the interior stays “clean”.
• Even comfort: air is supplied via ducts and distributed more gently throughout the space.
• Project-friendly: offices, shops, salons, and apartments with suspended ceilings.
| Block type: | Indoor unit |
| Room area, m²: | 35 |
| Power, BTU: | 12000 |
| Air conditioner type: | Duct |
| Compressor: | Inverter |
| Refrigerant type: | R32 |
| Heating to, °C: | -15...+24 |
| Cooling power, kW: | 3,5 |
| Heating power, kW: | 3,8 |
| Noise level, dB: | 35/31/29/23 |
| Maximum fall height, m: | 10 |
| Maximum drawn length, m: | 25 |
| Connection diameter, inch: | 1/4x3/8 |
| Internal block weight, kg: | 17,8 |
| Indoor unit dimensions, mm: | 700x450x200 |
| Basic regimes: | Cooling / Heating / Drying / Ventilation |
| Stop/start timer: | Yes |
| Ventilation regime: | Yes |
| Additional regimes: | Sleep Mode |
| Operating temperature range, cooling, °C: | -15...+50 |
| Regular fan speed: | Yes |