HVACSheet

Mitsubishi RUZ-AK36NL 3 ton ductless mini-split

Brand Mitsubishi ENERGY STAR certified Series R series Updated

Most EfficientCold climate
Mitsubishi Ductless mini-split

Model no. RUZ-AK36NL***

Size
3 tons
SEER2
18.2
EER2
11
HSPF2
8.6

R-454B

Mitsubishi ductless mini-split from the R series line. Rated 18.2 SEER2. Meets ENERGY STAR cold climate criteria.

Model

Model number RUZ-AK36NL***
Product series R series
Stages Variable speed

Performance

Nominal size 3 tons
Cooling capacity 34,200 BTU/h
Heating capacity 34,600 BTU/h
SEER2 18.2
EER2 11
HSPF2 8.6

Cold weather

Heating capacity at 17°F 21,800 BTU/h
Heating capacity at 5°F 24,400 BTU/h
COP at 5°F 2.28
Meets ENERGY STAR cold climate criteria Yes

Ratings across matchups

Lowest SEER2 18.2
Highest SEER2 18.2
Lowest HSPF2 8.6
Highest HSPF2 8.6
Certified matchups 1

Refrigerant

Refrigerant type R-454B

Ratings and warranty

AHRI reference number 218680156
ENERGY STAR certified Yes
ENERGY STAR Most Efficient Yes
On the market since September 1, 2026
ENERGY STAR listed July 17, 2026

Notes

Certified matchups

Top certified matchups for this outdoor unit, from ENERGY STAR data. Ratings depend on the indoor coil or furnace it is paired with.

Indoor unit Furnace SEER2 EER2 HSPF2 AHRI ref.
RVZ-AP36NL*** 18.2 11 8.6 218680156

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