SpecDirectory

ACIQ ACIQ-42Z-E-M5vsLPS Legacy N4H5S36*K*AAA*

Side-by-side heat pump comparison

ACIQ ACIQ-42Z-E-M5

SEER2

20–22BTU/Wh

HSPF2

9.2–10BTU/Wh

Cooling Capacity

37000BTU/hr

Cold Climate

Yes

Cold climate certified

LPS Legacy N4H5S36*K*AAA*

SEER2

15.5BTU/Wh

HSPF2

7.8BTU/Wh

Cooling Capacity

36600–36800BTU/hr

Refrigerant

R-410A

GWP 2088 · Higher

Key differences

ACIQ ACIQ-42Z-E-M5 is 30% more efficient at 22.0 BTU/Wh versus 15.5 BTU/Wh for the LPS Legacy N4H5S36*K*AAA*. The ACIQ ACIQ-42Z-E-M5 is larger at 37000 BTU/hr versus 36800 BTU/hr. ACIQ ACIQ-42Z-E-M5 uses a lower-impact refrigerant: R-32 (GWP 675) versus R-410A (GWP 2088). Overall, the ACIQ ACIQ-42Z-E-M5 sits higher in the category, ranking above 78% of certified air-source heat pumps.

Efficiency

SpecACIQLPS Legacy
SEER2 (best combination)(BTU/Wh)2215.5
SEER2 (worst combination)(BTU/Wh)2015.5
HSPF2 (best combination)(BTU/Wh)107.8
HSPF2 (worst combination)(BTU/Wh)9.27.8
EER2 (best combination)(BTU/Wh)1212.5
COP at 5 °F2—

Capacity

SpecACIQLPS Legacy
Cooling Capacity (max)(BTU/hr)3700036800
Cooling Capacity (min)(BTU/hr)3700036600
Heating at 47 °F(BTU/hr)3700035800
Heating at 17 °F(BTU/hr)3560021600
Heating at 5 °F(BTU/hr)32400—

Configuration

SpecACIQLPS Legacy
Product TypeHP - Mini or Multi SplitHP - Split System
Compressor StagingContinuously variableSingle stage
Cold Climate CertifiedYesNo
Connected CapabilityNoNo
SeriesMulti-spilt seriesPERFORMANCE 15 SEER2 HP
Indoor-Unit Combinations Rated34

Refrigerant

SpecACIQLPS Legacy
TypeR-32R-410A
GWP RatingR-32 (GWP:675 | Lower GWP)R-410A (GWP:2088)

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