Goodman MSH123G26MCAA 1 ton ductless mini-split

Brand Goodman ENERGY STAR certified Series MSH Series Updated

Most EfficientCold climate
Goodman Ductless mini-split

Model no. MSH123G26MCAA

Size
1 ton
SEER2
27.5
EER2
14.3
HSPF2
14.5

R-410A

Goodman ductless mini-split from the MSH Series line. Rated 27.5 SEER2. Meets ENERGY STAR cold climate criteria.

Model

Model number MSH123G26MCAA
Product series MSH Series
Stages Variable speed

Performance

Nominal size 1 ton
Cooling capacity 12,000 BTU/h
Heating capacity 12,000 BTU/h
SEER2 27.5
EER2 14.3
HSPF2 14.5

Cold weather

Heating capacity at 17°F 11,400 BTU/h
Heating capacity at 5°F 13,500 BTU/h
COP at 5°F 1.86
Meets ENERGY STAR cold climate criteria Yes

Ratings across matchups

Lowest SEER2 27.5
Highest SEER2 27.5
Lowest HSPF2 14.5
Highest HSPF2 14.5
Certified matchups 1

Refrigerant

Refrigerant type R-410A

Ratings and warranty

AHRI reference number 214438120
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.
MSH123G26AXAA 27.5 14.3 14.5 214438120