Goodman MSH123G22MCAA 1 ton ductless mini-split

Brand Goodman ENERGY STAR certified Series MSH Series Updated

Most EfficientCold climate
Goodman Ductless mini-split

Model no. MSH123G22MCAA

Size
1 ton
SEER2
23.1
EER2
13
HSPF2
10.5

R-410A

Goodman ductless mini-split from the MSH Series line. Rated 19.5 to 23.1 SEER2 across 3 certified matchups. Meets ENERGY STAR cold climate criteria.

Model

Model number MSH123G22MCAA
Product series MSH Series
Stages Variable speed

Performance

Nominal size 1 ton
Cooling capacity 12,000 BTU/h
Heating capacity 12,500 BTU/h
SEER2 23.1
EER2 13
HSPF2 10.5

Cold weather

Heating capacity at 17°F 10,600 BTU/h
Heating capacity at 5°F 12,100 BTU/h
COP at 5°F 1.96
Meets ENERGY STAR cold climate criteria Yes

Ratings across matchups

Lowest SEER2 19.5
Highest SEER2 23.1
Lowest HSPF2 10
Highest HSPF2 10.5
Certified matchups 3

Refrigerant

Refrigerant type R-410A

Ratings and warranty

AHRI reference number 214438117
ENERGY STAR certified Yes
ENERGY STAR Most Efficient Yes
On the market since March 18, 2024
ENERGY STAR listed April 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.
MSH123G22AXAA 23.1 13 10.5 214438117
MST123E20ACAA 22.3 12.7 10.2 214594900
MST123E21ADAA 19.5 11.7 10 214594902