SpecDirectory

Airquest N4H5S18*K*AAA*vsLG LMU180HHV

Side-by-side heat pump comparison

Airquest N4H5S18*K*AAA*

SEER2

15.2BTU/Wh

HSPF2

7.8BTU/Wh

Cooling Capacity

18000–18100BTU/hr

Refrigerant

R-410A

GWP 2088 · Higher

LG LMU180HHV

SEER2

17.5–21BTU/Wh

HSPF2

8.6–9.2BTU/Wh

Cooling Capacity

16500–18000BTU/hr

Cold Climate

Yes

Cold climate certified

Key differences

LG LMU180HHV is 28% more efficient at 21.0 BTU/Wh versus 15.2 BTU/Wh for the Airquest N4H5S18*K*AAA*. The Airquest N4H5S18*K*AAA* is larger at 18100 BTU/hr versus 18000 BTU/hr. Overall, the LG LMU180HHV sits higher in the category, ranking above 25% of certified air-source heat pumps.

Efficiency

SpecAirquestLG
SEER2 (best combination)(BTU/Wh)15.221
SEER2 (worst combination)(BTU/Wh)15.217.5
HSPF2 (best combination)(BTU/Wh)7.89.2
HSPF2 (worst combination)(BTU/Wh)7.88.6
EER2 (best combination)(BTU/Wh)1213.5
COP at 5 °F—1.83

Capacity

SpecAirquestLG
Cooling Capacity (max)(BTU/hr)1810018000
Cooling Capacity (min)(BTU/hr)1800016500
Heating at 47 °F(BTU/hr)1670022000
Heating at 17 °F(BTU/hr)1040014700
Heating at 5 °F(BTU/hr)—19800

Configuration

SpecAirquestLG
Product TypeHP - Split SystemHP - Mini or Multi Split
Compressor StagingSingle stageContinuously variable
Cold Climate CertifiedNoYes
Connected CapabilityNoNo
SeriesPERFORMANCE 15 SEER2 HPLMU180HHV
Indoor-Unit Combinations Rated23

Refrigerant

SpecAirquestLG
TypeR-410AR-410A
GWP RatingR-410A (GWP:2088)R-410A (GWP:2088)

More comparisons