Goodman MSH303G20MCAA 2.5 ton ductless mini-split

Brand Goodman ENERGY STAR certified Series MSH Series Updated

Most Efficient
Goodman Ductless mini-split

Model no. MSH303G20MCAA

Size
2.5 tons
SEER2
21
EER2
12.2
HSPF2
8.7

R-410A

Goodman ductless mini-split from the MSH Series line. Rated 21 SEER2.

Model

Model number MSH303G20MCAA
Product series MSH Series
Stages Variable speed

Performance

Nominal size 2.5 tons
Cooling capacity 30,000 BTU/h
Heating capacity 30,000 BTU/h
SEER2 21
EER2 12.2
HSPF2 8.7

Cold weather

Heating capacity at 17°F 20,000 BTU/h
Heating capacity at 5°F 20,000 BTU/h
COP at 5°F 1.85

Ratings across matchups

Lowest SEER2 21
Highest SEER2 21
Lowest HSPF2 8.7
Highest HSPF2 8.7
Certified matchups 1

Refrigerant

Refrigerant type R-410A

Ratings and warranty

AHRI reference number 214442640
ENERGY STAR certified Yes
ENERGY STAR Most Efficient Yes
On the market since March 18, 2024
ENERGY STAR listed June 13, 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.
MSH303G20AXAA 21 12.2 8.7 214442640