SpecDirectory

Airquest N4H5S18*K*AAA*vsRheem RO2HFZ18AJ1H

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

Rheem RO2HFZ18AJ1H

SEER2

21.5BTU/Wh

HSPF2

9.6BTU/Wh

Cooling Capacity

18000BTU/hr

Cold Climate

Yes

Cold climate certified

Key differences

Rheem RO2HFZ18AJ1H is 29% more efficient at 21.5 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 Rheem RO2HFZ18AJ1H sits higher in the category, ranking above 25% of certified air-source heat pumps.

Efficiency

SpecAirquestRheem
SEER2 (best combination)(BTU/Wh)15.221.5
SEER2 (worst combination)(BTU/Wh)15.221.5
HSPF2 (best combination)(BTU/Wh)7.89.6
HSPF2 (worst combination)(BTU/Wh)7.89.6
EER2 (best combination)(BTU/Wh)1213.5
COP at 5 °F—1.84

Capacity

SpecAirquestRheem
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)1040014200
Heating at 5 °F(BTU/hr)—22000

Configuration

SpecAirquestRheem
Product TypeHP - Split SystemHP - Mini or Multi Split
Compressor StagingSingle stageContinuously variable
Cold Climate CertifiedNoYes
Connected CapabilityNoNo
SeriesPERFORMANCE 15 SEER2 HPClassic Plus
Indoor-Unit Combinations Rated21

Refrigerant

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

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