LG / AIR-SOURCE HEAT PUMP

KUSXA181A

KUSXA181A

10 published source records · source checked Sep 21, 2026

SEER2 range15.2–20.5BTU/Wh
HSPF2 range8.1–10BTU/Wh
Cooling capacity17,000–18,000BTU/h

Each efficiency range summarizes published EPA records for KUSXA181A. The highest SEER2 and HSPF2 may belong to different combinations. Open a source record below to see its ratings and the scope of its component information.

Model patterns and component strings are preserved exactly. How to read model patterns and combinations →

Heating performance & equipment details

Ranges include the 10 published source records for this model. Values in different rows may describe different configurations. Open an individual record to compare values from the same test configuration.

Reported fieldValue / rangeRecords supplying it
SEER2 · BTU/Wh15.2–20.510 / 10
EER2 · BTU/Wh11.5–13.510 / 10
HSPF2 · BTU/Wh8.1–1010 / 10
Cooling capacity · BTU/h17,000–18,00010 / 10
Heating capacity at 47°F / 8.3°C · BTU/h20,00010 / 10
Heating capacity at 17°F / −8.3°C · BTU/h12,900–13,60010 / 10
Heating capacity at 5°F / −15°C · BTU/h17,000–24,00010 / 10
COP at 5°F / −15°C1.8–210 / 10
Equipment / loop typeHP - Mini or Multi Split · HP - Split System10 / 10
Refrigerant / source-reported GWPR-32 (GWP:675 | Lower GWP)10 / 10
Compressor stagingContinuously variable10 / 10
Connected capabilityNo10 / 10

47°F = 8.3°C; 17°F = −8.3°C; 5°F = −15°C. COP is dimensionless. These are reported rating points, not a prediction of a particular home’s heat demand or operating limit.

Matched systems

Each row is one source record. The component column distinguishes listed combinations from outdoor-model ratings without an indoor configuration.

Indoor unit / required furnaceSEER2BTU/WhHSPF2BTU/WhHeating capacity at 5°F / −15°CBTU/hCOP at 5°F / −15°CRecord & comparison
KNUDB181ACold climate designationAHRI reference: 21482595220.509.50200001.80EPA 3544254
KNSFB181ACold climate designationAHRI reference: 21659203720.009.50170001.80EPA 3891529
KNUFB181ACold climate designationAHRI reference: 21677895620.009.50170001.80EPA 3995770
KNSLA181ACold climate designationAHRI reference: 21558856718.0010.00240001.90EPA 3629914
KNSLA181ACold climate designationAHRI reference: 21728490718.0010.00240001.90EPA 4029107
KNUJB181ACold climate designationAHRI reference: 21479635017.509.20200001.94EPA 3544247
LKMMA18B1+ furnace: LNA**060B1Cold climate designationAHRI reference: 21728494617.009.50190002.00EPA 4029086
LKMMA18B1+ furnace: LNAEA080B1Cold climate designationAHRI reference: 21877018917.009.50190002.00EPA 4706492
LKMMA18A1Cold climate designationAHRI reference: 21644525415.208.10180001.80EPA 3891020
LKMMA18B1Cold climate designationAHRI reference: 21644525515.208.10180001.80EPA 3891021

Sources and documentation

The table uses public EPA ENERGY STAR data. AHRI references are reported by EPA and have not been independently checked with AHRI. Source records do not establish availability, installation suitability or rebate eligibility.

No manufacturer manual has been matched to this model.

Collection method, revision history and known limitations →