Mitsubishi SEZ-AD09NL & SUZ-AA09NLHZ 9,000 BTU 14.8 SEER2 Horizontal Ducted Hyper Heat System - R454B

Mitsubishi SEZ‑AD09NL & SUZ‑AA09NLHZ: 9,000 BTU Ducted Concealed Hyper‑Heat Pump System

The Mitsubishi SEZ‑AD09NL paired with the SUZ‑AA09NLHZ Hyper‑Heat outdoor unit delivers high-efficiency, cold-climate performance in a compact 9,000 BTU single-zone ducted system. Designed for rooms up to ~350 sq ft, it’s ideal for bedrooms, offices, or any space needing discreet, powerful year-round comfort—even in sub-zero conditions.

With Hyper‑Heat INVERTER technology and R‑454B refrigerant, this system maintains consistent heating even at outdoor temps as low as -13°F, while a compact design (just 7-7/8″ height) enables installation in tight ceiling cavities or soffits. Blue Fin anti‑corrosion coating protects the outdoor coil for durability in coastal or humid climates.

Ultra-quiet operation (as low as 23 dB[A]) and smart control options via the kumo cloud® app or compatible remotes ensure a seamless comfort experience, backed by ENERGY STAR® efficiency.

General Information

• System Type: Ducted concealed indoor unit + single-zone Hyper‑Heat pump condenser

• Models: Indoor – SEZ‑AD09NL | Outdoor – SUZ‑AA09NLHZ

• Capacities: 9,000 BTU Cooling | 12,000 BTU Heating (Hyper‑Heat rated to -13°F)

• Room Size: Ideal for ~350 sq ft

• Operating Modes: Heating & Cooling

• ENERGY STAR®: Yes

• Refrigerant / Factory Charge: R‑454B, 2 lb

Key Features

• Hyper‑Heat Technology: Delivers reliable heating at outdoor temps down to -13°F

• INVERTER-Driven Compressor: Maintains steady comfort and high part-load efficiency

• Ultra-Slim Profile: Fits tight ceiling spaces with just 7-7/8″ unit height

• Quiet Comfort: Indoor sound as low as 23 dB(A) for unobtrusive operation

• Integrated Drain Pump: Simplifies installation and moisture removal

• Blue Fin Coil Coating: Enhances corrosion resistance for longer system life

• Smart Control Options: Compatible with kumo cloud® app, remote controls, and third-party thermostats

• Energy Efficient: ENERGY STAR® certified for year-round savings

• Discreet Ducted Design: Provides even, room-wide airflow without visible indoor units

Specifications (Rated Conditions)

• Cooling Capacity: 9,000 BTU | EER2: 13.2 | SEER2: 21

• Heating Capacity @ 47°F: Up to 12,000 BTU | HSPF2: 11.8 | COP (47°F): 3.8

• Heating Capacity @ 5°F: Maintains Hyper‑Heat performance

• Electrical: 208/230 V, 1‑Ph, 60 Hz | MCA: 13 A | MOCP: 22 A

• Airflow (Dry): 230–300 CFM (cool & heat)

• Sound Pressure: Indoor 23 dB(A) | Outdoor 48–50 dB(A)

• Piping: Liquid 1/4 in. | Gas 3/8 in. | Max line length: 65 ft | Max height: 40 ft

• Outdoor Dimensions / Weight: 31-1/2 × 11-1/4 × 21-3/4 in. | 81 lb

• Drain Connection: 3/4 in. O.D.

Included Components

• Indoor Unit: SEZ‑AD09NL ducted concealed unit

• Outdoor Unit: SUZ‑AA09NLHZ Hyper‑Heat pump condenser

Ideal For

Homeowners and professionals looking for a compact, ducted system that delivers powerful, whisper-quiet comfort in small spaces—even in extreme cold. The Mitsubishi SEZ‑AD09NL & SUZ‑AA09NLHZ combo offers advanced control, ENERGY STAR® efficiency, and Hyper‑Heat performance with year-round dependability.