SpecDirectory

KUSXB301A

LG · HP - Split System

ENERGY STAR CertifiedAir-Source Heat Pumps →
SEER2

17–21BTU/Wh

HSPF2

8.5–10BTU/Wh

Cooling Capacity

27000–30000BTU/hr

Cold Climate

Yes

Cold climate certified
ENERGY STAR Most Efficient

LG KUSXB301A: SEER2 21 BTU/Wh, around the middle of the range for air-source heat pumps (category median 20 BTU/Wh).

Where this model sits

Cooling30000BTU/hr
6000median 2400060000
SEER221BTU/Wh
15.2median 2035.1

The LG KUSXB301A is a 30000 BTU/hr hp - split system using R-32, a refrigerant with moderate global warming potential (GWP 675). At 21 BTU/Wh it ranks around the middle of the 12,218 certified air-source heat pumps models. Among similar-sized air-source heat pumps (within 10% of its size), it is more efficient than the peer median of 20 BTU/Wh. In this size range, comparable Midea models average 21 BTU/Wh and MDV models average 22.4 BTU/Wh.

Specifications

Efficiency
SEER2 (best combination)21BTU/Wh
SEER2 (worst combination)17BTU/Wh
HSPF2 (best combination)10BTU/Wh
HSPF2 (worst combination)8.5BTU/Wh
EER2 (best combination)12.1BTU/Wh
COP at 5 °F2.16
Capacity
Cooling Capacity (max)30000BTU/hr
Cooling Capacity (min)27000BTU/hr
Heating at 47 °F34000BTU/hr
Heating at 17 °F23000BTU/hr
Heating at 5 °F32000BTU/hr
All 25 specifications
Configuration
Product TypeHP - Split System
Compressor StagingContinuously variable
Cold Climate CertifiedYes
Connected CapabilityNo
SeriesKUSXB301A
Indoor-Unit Combinations Rated6
Refrigerant
TypeR-32
GWP RatingR-32 (GWP:675 | Lower GWP)
Identifiers
Model NumberKUSXB301A
ENERGY STAR IDES_1118034_KUSXB301A_09142024011058_7113125
PartnerLG Electronics, Inc.
Date Certified2026-04-22
Available From2026-04-15
MarketsUnited States, Canada

Documentation

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