Mitsubishi SEZ-AD12NL 12,000 BTU Horizontal Ducted Indoor Unit - R454B

Mitsubishi SEZ‑AD12NL – 12,000 BTU Ducted Concealed Indoor Unit
Deliver discreet, efficient comfort with the Mitsubishi SEZ‑AD12NL, a slim ducted indoor unit built for flexible installation in single-zone or multi-zone applications.

Compact, Low-Profile Design
With a height of only 7-7/8", the SEZ‑AD12NL fits easily into ceiling cavities, closets, or soffits—ideal for retrofits or tight mechanical spaces in residential or light commercial settings.

Quiet & Efficient Operation
Delivers 11,500 BTU of cooling (and efficient heating) using advanced INVERTER-driven technology. Operates as quietly as 23 dB(A), maintaining serene comfort without intrusion.

Flexible Air Distribution
Supports short-run ducting for discreet multi-room coverage or concentrated delivery in one space. External static pressure adjustment and integrated drain pump ensure reliable performance.

Smart, Connected Controls
Compatible with Mitsubishi’s wired and wireless controllers, plus the kumo cloud® app for full smartphone access, scheduling, and monitoring.

Pair with Outdoor Units
Engineered to pair seamlessly with outdoor units like the SUZ‑AA12NL and SUZ‑AA12NLHZ, offering powerful performance and energy savings in a compact system.

Reliable Mitsubishi Quality
Covered by Mitsubishi’s limited warranty when installed and registered by a licensed contractor, providing dependable, long-term comfort you can trust.