Mitsubishi PUZ-AK18NL2 1.5 ton ductless mini-split

Brand Mitsubishi ENERGY STAR certified Series P series Updated

Most Efficient
Mitsubishi Ductless mini-split

Model no. PUZ-AK18NL2***

Size
1.5 ton
SEER2
24.7
EER2
13.7
HSPF2
9.8

R-454B

Mitsubishi ductless mini-split from the P series line. Rated 18.6 to 24.7 SEER2 across 4 certified matchups.

Model

Model number PUZ-AK18NL2***
Product series P series
Stages Variable speed

Performance

Nominal size 1.5 ton
Cooling capacity 18,000 BTU/h
Heating capacity 19,000 BTU/h
SEER2 24.7
EER2 13.7
HSPF2 9.8

Cold weather

Heating capacity at 17°F 12,100 BTU/h
Heating capacity at 5°F 9,500 BTU/h
COP at 5°F 2.2

Ratings across matchups

Lowest SEER2 18.6
Highest SEER2 24.7
Lowest HSPF2 8.6
Highest HSPF2 9.8
Certified matchups 4

Refrigerant

Refrigerant type R-454B

Ratings and warranty

AHRI reference number 218696972
ENERGY STAR certified Yes
ENERGY STAR Most Efficient Yes
On the market since October 1, 2026
ENERGY STAR listed August 11, 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.
PLA-AE18NL*** 24.7 13.7 9.8 218696972
PEAD-AA18NL*** 20.1 11.7 8.8 218696973
PKA-AL18NL*** 19.5 11 8.9 218696975
PVA-AA18NL*** 18.6 11.7 8.6 218696974