SpecDirectory

ACIQ R5H5S19*K*AAA*vsAirquest N4H5S18*K*AAA*

Side-by-side heat pump comparison

ACIQ R5H5S19*K*AAA*

SEER2

15.2–15.5BTU/Wh

HSPF2

7.8BTU/Wh

Cooling Capacity

17900–18200BTU/hr

Refrigerant

R-454B

GWP 470 · Lower

Airquest N4H5S18*K*AAA*

SEER2

15.2BTU/Wh

HSPF2

7.8BTU/Wh

Cooling Capacity

18000–18100BTU/hr

Refrigerant

R-410A

GWP 2088 · Higher

Key differences

Both models are closely matched on seer2: 15.5 vs 15.2 BTU/Wh. The ACIQ R5H5S19*K*AAA* is larger at 18200 BTU/hr versus 18100 BTU/hr. ACIQ R5H5S19*K*AAA* uses a lower-impact refrigerant: R-454B (GWP 470) versus R-410A (GWP 2088). Overall, the ACIQ R5H5S19*K*AAA* sits higher in the category, ranking above 10% of certified air-source heat pumps.

Efficiency

SpecACIQAirquest
SEER2 (best combination)(BTU/Wh)15.515.2
SEER2 (worst combination)(BTU/Wh)15.215.2
HSPF2 (best combination)(BTU/Wh)7.87.8
HSPF2 (worst combination)(BTU/Wh)7.87.8
EER2 (best combination)(BTU/Wh)1312
COP at 5 °F2—

Capacity

SpecACIQAirquest
Cooling Capacity (max)(BTU/hr)1820018100
Cooling Capacity (min)(BTU/hr)1790018000
Heating at 47 °F(BTU/hr)1900016700
Heating at 17 °F(BTU/hr)1060010400
Heating at 5 °F(BTU/hr)8100—

Configuration

SpecACIQAirquest
Product TypeHP - Split SystemHP - Split System
Compressor StagingSingle stageSingle stage
Cold Climate CertifiedNoNo
Connected CapabilityNoNo
Series15 SEER2 HPPERFORMANCE 15 SEER2 HP
Indoor-Unit Combinations Rated42

Refrigerant

SpecACIQAirquest
TypeR-454BR-410A
GWP RatingR-454B (GWP:470 | Lower GWP)R-410A (GWP:2088)

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