LG / AIR-SOURCE HEAT PUMP

KUSXB181A

KUSXB181A · EPA record 3995771

Source checked Sep 21, 2026

Performance & equipment details

Values below belong to EPA record 3995771. Temperature points and test metrics are preserved as reported. Missing and zero values are not substituted with estimates.

Metric or attributeSource value
SEER2 · BTU/Wh20.50
EER2 · BTU/Wh12.20
HSPF2 · BTU/Wh9.50
Cooling capacity · BTU/h18000
Heating capacity at 47°F / 8.3°C · BTU/h19000
Heating capacity at 17°F / −8.3°C · BTU/h12000
Heating capacity at 5°F / −15°C · BTU/h14600
COP at 5°F / −15°C1.80
Equipment / loop typeHP - Mini or Multi Split
Refrigerant / source-reported GWPR-32 (GWP:675 | Lower GWP)
Compressor stagingContinuously variable
Connected capabilityNo

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This listed system

These ratings apply to the listed configuration. Changing a component may change performance.

Outdoor unitKUSXB181A
+
Indoor unitKNUFB181A

AHRI reference 216778957 · reported by ENERGY STAR; no direct AHRI data connection.

All source records for KUSXB181A

Specifications & provenance

Every value below is preserved from the source record. Checked Sep 21, 2026. Asterisks and other model wildcards are retained as published.

Source fieldReported valueEvidence
pd id3995771EPA Sep 21, 2026
marketsUnited States, CanadaEPA Sep 21, 2026
cop at 5 f1.80EPA Sep 21, 2026
eer2 btu wh12.20EPA Sep 21, 2026
series nameKUSXB181AEPA Sep 21, 2026
cold climateYesEPA Sep 21, 2026
hspf2 btu wh9.50EPA Sep 21, 2026
model numberKUSXB181AEPA Sep 21, 2026
product typeHP - Mini or Multi SplitEPA Sep 21, 2026
seer2 btu wh20.50EPA Sep 21, 2026
date certified2026-04-17T00:00:00.000EPA Sep 21, 2026
manufacturer typeSystem ManufacturerEPA Sep 21, 2026
compressor stagingContinuously variableEPA Sep 21, 2026
energy star partnerLG Electronics, Inc.EPA Sep 21, 2026
connected capabilityNoEPA Sep 21, 2026
refrigerant with gwpR-32 (GWP:675 | Lower GWP)EPA Sep 21, 2026
ahri reference number216778957EPA Sep 21, 2026
cooling capacity btu h18000EPA Sep 21, 2026
indoor unit brand nameLGEPA Sep 21, 2026
outdoor unit brand nameLGEPA Sep 21, 2026
date available on market2026-04-08T00:00:00.000EPA Sep 21, 2026
indoor unit model numberKNUFB181AEPA Sep 21, 2026
energy star model identifierES_1118034_KUSXB181A_01242025005955_29216778957EPA Sep 21, 2026
heating capacity at 5 f btu h14600EPA Sep 21, 2026
meets most efficient criteriaYesEPA Sep 21, 2026
heating capacity at 17 f btu h12000EPA Sep 21, 2026
heating capacity at 47 f btu h19000EPA Sep 21, 2026
meets peak cooling requirementsYesEPA Sep 21, 2026
controls verification procedure cvp testENERGY STAR CVP TestEPA Sep 21, 2026