Goodman MST273G22MHAA 2 ton ductless mini-split

Brand Goodman ENERGY STAR certified Series MSH Series Updated

Most EfficientCold climate
Goodman Ductless mini-split

Model no. MST273G22MHAA

Size
2 tons
SEER2
20.5
EER2
11.8
HSPF2
9.6

R-410A

Goodman ductless mini-split from the MSH Series line. Rated 19 to 20.5 SEER2 across 3 certified matchups. Meets ENERGY STAR cold climate criteria.

Model

Model number MST273G22MHAA
Product series MSH Series
Stages Variable speed

Performance

Nominal size 2 tons
Cooling capacity 27,000 BTU/h
Heating capacity 27,000 BTU/h
SEER2 20.5
EER2 11.8
HSPF2 9.6

Cold weather

Heating capacity at 17°F 23,000 BTU/h
Heating capacity at 5°F 27,000 BTU/h
COP at 5°F 1.8
Meets ENERGY STAR cold climate criteria Yes

Ratings across matchups

Lowest SEER2 19
Highest SEER2 20.5
Lowest HSPF2 9.6
Highest HSPF2 10
Certified matchups 3

Refrigerant

Refrigerant type R-410A

Ratings and warranty

AHRI reference number 214438128
ENERGY STAR certified Yes
ENERGY STAR Most Efficient Yes
On the market since March 18, 2024
ENERGY STAR listed June 25, 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.
20.5 11.8 9.6 214438128
19.75 11.8 9.8 214438130
19 11.8 10 214438129