ACIQ ACIQ-42Z-E-M5vsLPS Legacy R4H5S36*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 R4H5S36*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 R4H5S36*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
| Spec | ACIQ | LPS Legacy |
|---|---|---|
| SEER2 (best combination)(BTU/Wh) | 22 | 15.5 |
| SEER2 (worst combination)(BTU/Wh) | 20 | 15.5 |
| HSPF2 (best combination)(BTU/Wh) | 10 | 7.8 |
| HSPF2 (worst combination)(BTU/Wh) | 9.2 | 7.8 |
| EER2 (best combination)(BTU/Wh) | 12 | 12.5 |
| COP at 5 °F | 2 | — |
Capacity
| Spec | ACIQ | LPS Legacy |
|---|---|---|
| Cooling Capacity (max)(BTU/hr) | 37000 | 36800 |
| Cooling Capacity (min)(BTU/hr) | 37000 | 36600 |
| Heating at 47 °F(BTU/hr) | 37000 | 35800 |
| Heating at 17 °F(BTU/hr) | 35600 | 21600 |
| Heating at 5 °F(BTU/hr) | 32400 | — |
Configuration
| Spec | ACIQ | LPS Legacy |
|---|---|---|
| Product Type | HP - Mini or Multi Split | HP - Split System |
| Compressor Staging | Continuously variable | Single stage |
| Cold Climate Certified | Yes | No |
| Connected Capability | No | No |
| Series | Multi-spilt series | 15 SEER2 R SERIES R410A HP |
| Indoor-Unit Combinations Rated | 3 | 4 |
Refrigerant
| Spec | ACIQ | LPS Legacy |
|---|---|---|
| Type | R-32 | R-410A |
| GWP Rating | R-32 (GWP:675 | Lower GWP) | R-410A (GWP:2088) |