SpecDirectory

Airquest N4H5S18*K*AAA*vsLennox MPC018S4S-1P

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

Lennox MPC018S4S-1P

SEER2

17.8–23.5BTU/Wh

HSPF2

9.3–10.7BTU/Wh

Cooling Capacity

16000–18000BTU/hr

Refrigerant

R-410A

GWP 2088 · Higher

Key differences

Lennox MPC018S4S-1P is 35% more efficient at 23.5 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 Lennox MPC018S4S-1P sits higher in the category, ranking above 82% of certified air-source heat pumps.

Efficiency

SpecAirquestLennox
SEER2 (best combination)(BTU/Wh)15.223.5
SEER2 (worst combination)(BTU/Wh)15.217.8
HSPF2 (best combination)(BTU/Wh)7.810.7
HSPF2 (worst combination)(BTU/Wh)7.89.3
EER2 (best combination)(BTU/Wh)1212.5
COP at 5 °F—2.40

Capacity

SpecAirquestLennox
Cooling Capacity (max)(BTU/hr)1810018000
Cooling Capacity (min)(BTU/hr)1800016000
Heating at 47 °F(BTU/hr)1670020000
Heating at 17 °F(BTU/hr)1040014900
Heating at 5 °F(BTU/hr)—13000

Configuration

SpecAirquestLennox
Product TypeHP - Split SystemHP - Split System
Compressor StagingSingle stageContinuously variable
Cold Climate CertifiedNoNo
Connected CapabilityNoNo
SeriesPERFORMANCE 15 SEER2 HPM series
Indoor-Unit Combinations Rated213

Refrigerant

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

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