Efficient mini split heat pump system designed to deliver quiet year-round comfort for medium spaces with dependable cold-climate concealed duct performance.
The Mitsubishi SEZ-AD-Series 12,000 BTU single-zone concealed duct Hyper Heat mini split system provides reliable heating and cooling for medium spaces. With a hidden ducted indoor unit and Hyper-Heating INVERTER® technology, it delivers dependable comfort, efficient operation, and a discreet installation solution ideal for living rooms, home offices, room additions, and converted spaces.
Mitsubishi SEZ-AD-Series Single Zone Concealed Duct Features and Benefits
- 17.6 SEER2 Efficiency – Delivers strong energy savings with efficient heating and cooling performance.
- Hyper-Heat Performance – Provides dependable heating performance in colder outdoor conditions.
- Concealed Duct Design – Keeps equipment hidden for a cleaner, more finished appearance.
- R454B Refrigerant – Uses a lower-GWP refrigerant for a more eco-conscious footprint.
Cold Climate Comfort
Hyper-Heating INVERTER® technology helps maintain reliable heating output in colder weather, supporting consistent comfort throughout winter.
Concealed Duct Design
The hidden indoor unit installs out of sight in ceilings, closets, or attic spaces while distributing conditioned air through ductwork for a clean traditional HVAC appearance.
Right-Sized Performance
With 12,000 BTU of capacity, this system is ideal for medium spaces requiring efficient and reliable year-round climate control.
What’s Included
- Mitsubishi Single Zone Hyper Heat Mini Split Condenser — 12,000 BTU cooling / 12,000 BTU heating
- Mitsubishi 12,000 BTU Concealed Duct Indoor Unit — SEZ-AD12NL
- Owner's Manual, Guides, and Other Documents
Recommended Accessories
- 17" Wall Mount Bracket for Mini Split Systems – HW-600
- E Lite Equipment Pad and Risers Kit- 87762 / EL1838-3
- Installation Kit – MSK001
• 3/4" x 6' Electrical Whip – SKU: 84138
• 60A Non-Fused Disconnect – SKU: 83335
• Surge Protector – SKU: ICM517
• CPS Charging Adapter – SKU: 87-AD87
• Telescoping Wall Sleeve – SKU: NFP-75
- Additional line set options
• 15 ft – 201813 / CW-144-15
• 25 ft – 366390 / CW-144-25
• 30 ft – 216740 / CW-144-30
• 35 ft – 366395 / CW-144-35
• 50 ft – 366396 / CW-144-50
Warranty
10-year limited warranty with online registration.