SpecDirectory

Airquest N4H5S18*K*AAA*vsFujitsu AOU18RGLX

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

Fujitsu AOU18RGLX

SEER2

16.7–22BTU/Wh

HSPF2

9.3–10.5BTU/Wh

Cooling Capacity

18000BTU/hr

Refrigerant

R-410A

GWP 2088 · Higher

Key differences

Fujitsu AOU18RGLX is 31% more efficient at 22.0 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 Fujitsu AOU18RGLX sits higher in the category, ranking above 25% of certified air-source heat pumps.

Efficiency

SpecAirquestFujitsu
SEER2 (best combination)(BTU/Wh)15.222
SEER2 (worst combination)(BTU/Wh)15.216.7
HSPF2 (best combination)(BTU/Wh)7.810.5
HSPF2 (worst combination)(BTU/Wh)7.89.3
EER2 (best combination)(BTU/Wh)1213.4
COP at 5 °F—2.32

Capacity

SpecAirquestFujitsu
Cooling Capacity (max)(BTU/hr)1810018000
Cooling Capacity (min)(BTU/hr)1800018000
Heating at 47 °F(BTU/hr)1670018000
Heating at 17 °F(BTU/hr)1040012700
Heating at 5 °F(BTU/hr)—18100

Configuration

SpecAirquestFujitsu
Product TypeHP - Split SystemHP - Mini or Multi Split
Compressor StagingSingle stageContinuously variable
Cold Climate CertifiedNoNo
Connected CapabilityNoNo
SeriesPERFORMANCE 15 SEER2 HPH-Series
Indoor-Unit Combinations Rated22

Refrigerant

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

More comparisons