Mitsubishi MFZ-KX12NL & SUZ-AA12NLHZ 12,000 BTU 17.2 SEER2 Floor-Mounted Hyper Heating Heat Pump System – R454B

Mitsubishi MFZ-KX12NL & SUZ-AA12NLHZ: 12,000 BTU Floor-Mounted Hyper-Heating Heat Pump System

The Mitsubishi MFZ-KX12NL & SUZ-AA12NLHZ is a powerful, 12,000 BTU floor-mounted heat pump system designed for reliable year-round comfort in residential or light commercial settings—especially in cold climates. With Hyper-Heating INVERTER® (H2i®) technology, it delivers consistent heating even in outdoor temperatures as low as -13°F. The sleek MFZ-KX12NL indoor unit offers flexible floor or recessed mounting options, while the durable SUZ-AA12NLHZ outdoor unit is built for high performance with corrosion-resistant Blue Fin coating and advanced inverter-driven components.

This single-zone system ensures ultra-quiet operation, adaptive airflow, and modern connectivity, including optional Wi-Fi control via the Mitsubishi Comfort Control app. Ideal for medium-sized spaces up to ~500 sq ft, it offers a compact, energy-efficient, and customizable climate solution for challenging environments.

General Information

System Type: Floor-Mounted Indoor Unit + Hyper-Heating Outdoor Unit
Model Numbers: Indoor – MFZ-KX12NL / Outdoor – SUZ-AA12NLHZ
Capacity: 12,000 BTU Cooling / 15,000 BTU Hyper-Heating
Ideal Room Size: ~500 sq ft
Operating Mode: Heating & Cooling
Energy Star Certified: Yes
Refrigerant: R454B (2 lb, 1.5 oz)

Key Features

Hyper-Heating INVERTER® (H2i®) Technology
Delivers rated heating down to 5°F and consistent heating performance down to -13°F.

Flexible Installation
Installs directly on the floor, slightly elevated, or recessed into a wall.

Ultra-Quiet Operation
Indoor unit operates as low as 21 dB, ideal for bedrooms or offices.

Blue Fin Coating
Protects the outdoor coil from corrosion, especially in humid or coastal areas.

Advanced Filtration
Nano Platinum Filter captures airborne particles and neutralizes odors.

Smart Comfort Control
Compatible with Mitsubishi Electric’s Comfort app, wireless remotes, and wall-mounted controllers.

Econo Cool & Powerful Modes
Choose energy-saving operation or rapid temperature control when needed.

Grooved Piping & Multi-Flow Vane
Enhances heat exchange and provides faster, more even airflow.

Hot-Start Technology
Delivers warm air immediately—no cold drafts during startup.

Specifications

Cooling Capacity: 12,000 BTU (Range: 4,100–12,000 BTU)
Heating Capacity: 15,000 BTU (Range: 5,200–18,000 BTU)
EER2: 13.9
HSPF2: 10
COP @ 47°F: 3.7
COP @ 17°F: 2.5
Voltage: 208/230V, 1-Phase, 60Hz
Airflow Rate: 1,264 CFM (Cooling/Heating)
Piping: 3/8 in. (Gas) / 1/4 in. (Liquid)

Included Components

• Indoor Unit: MFZ-KX12NL

• Outdoor Unit: SUZ-AA12NLHZ

• Controller: Hand-held Remote

Optional Accessories

Indoor Unit: Wi-Fi Interface, Wired Wall Controller, Enhanced Air Filter, Base Heater
Outdoor Unit: Drain Socket, Air Outlet Guide, Wall-Mount Bracket

Ideal For:
Homeowners and small business owners in cold climates seeking a quiet, efficient, and aesthetically adaptable floor-mounted heat pump with Hyper-Heating technology and modern smart controls.