SpecDirectory

KUMXB181A

LG · HP - Mini or Multi Split

ENERGY STAR CertifiedAir-Source Heat Pumps →
SEER2

18.5–22.5BTU/Wh

HSPF2

9–9.8BTU/Wh

Cooling Capacity

17200–18000BTU/hr

Refrigerant

R-32

GWP 675 · Lower
ENERGY STAR Most Efficient

LG KUMXB181A: SEER2 22.5 BTU/Wh, around the middle of the range for air-source heat pumps (category median 20 BTU/Wh).

Where this model sits

Cooling18000BTU/hr
6000median 2400060000
SEER222.5BTU/Wh
15.2median 2035.1

The LG KUMXB181A is a 18000 BTU/hr hp - mini or multi split using R-32, a refrigerant with moderate global warming potential (GWP 675). At 22.5 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 21 BTU/Wh. In this size range, comparable Midea models average 21.4 BTU/Wh and TOSOT models average 21 BTU/Wh.

Specifications

Efficiency
SEER2 (best combination)22.5BTU/Wh
SEER2 (worst combination)18.5BTU/Wh
HSPF2 (best combination)9.8BTU/Wh
HSPF2 (worst combination)9BTU/Wh
EER2 (best combination)13.5BTU/Wh
COP at 5 °F2.20
Capacity
Cooling Capacity (max)18000BTU/hr
Cooling Capacity (min)17200BTU/hr
Heating at 47 °F22000BTU/hr
Heating at 17 °F14800BTU/hr
Heating at 5 °F15800BTU/hr
All 25 specifications
Configuration
Product TypeHP - Mini or Multi Split
Compressor StagingContinuously variable
Cold Climate CertifiedNo
Connected CapabilityNo
SeriesKUMXB181A
Indoor-Unit Combinations Rated3
Refrigerant
TypeR-32
GWP RatingR-32 (GWP:675 | Lower GWP)
Identifiers
Model NumberKUMXB181A
ENERGY STAR IDES_1118034_KUMXB181A_06282024011211_5080198
PartnerLG Electronics, Inc.
Date Certified2025-10-06
Available From2024-12-23
MarketsUnited States, Canada

Documentation

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