The maker's photo for this series, not this exact size; the outdoor unit grows with capacity
Mitsubishi Electric · Concealed Duct
PEAD-AA12NL / SUZ-AA12NL
~$3,790approximate retailer price at last check, equipment only
Best forHiding one air handler in a soffit or attic and feeding a few small rooms by ductwork.
The PEAD-AA12NL is the P-series horizontal air handler, which Mitsubishi sells for hiding a single zone in a ceiling or soffit and feeding two or three small rooms through short ducts. It pairs here with the SUZ-AA12NL for 19.7 SEER2, 12.6 EER2 and 9.7 HSPF2, with 12,000 BTU of cooling and 15,000 BTU of heating on the condenser. Controls and Wi-Fi are separate purchases: the retailer sells the wireless remote on its own for about $415. It sits in the same cost band as the SEZ-AD slim duct, but the PEAD has the more serious static-pressure capability and is the usual choice when a real duct run is involved. Its -4°F heating limit, and a drop to 7,800 BTU of heat at 5°F, keep it out of true cold-climate work.
At 5°F it still makes 52% of its rated heat, according to the certified NEEP listing for this pairing. Mitsubishi Electric rates it to keep running down to -4°F.
Pairing: SUZ-AA12NL with PEAD-AA12NL. Checked October 8, 2026 on NEEP's ccASHP list; a different head or condenser posts different numbers.
The air handler hides in a ceiling or attic and feeds supply registers, so the room shows only grilles. It adds sheet-metal work, a return and a condensate path, so labor runs well above a wall head.
NEEP lists 15,000 BTU at 47°F and 7,800 BTU at 5°F, about 52%, with COP 2.18. The maker's floor is -4°F. It is better for mild or moderate winters.
The retailer lists a 10-year limited warranty tied to online registration. Standard terms are 5-year parts and 7-year compressor.
Series photoMitsubishi Electric · Concealed Duct
~$2,747
Shallow ceiling or soffit spaces feeding one or two rooms through short ducts.
Series photoMitsubishi Electric · Single-Zone
~$3,786
Cold-climate living rooms and open plans that need more than a 12k head but not a full 18k.
Series photoMitsubishi Electric · Floor Mount
~$3,722
Mild-to-moderate climates where a floor console is the only form factor that fits.