1HVAC ACIQ-27Z-HH-M3BvsACIQ R5H5S31*K*AAA*
Side-by-side heat pump comparison
1HVAC ACIQ-27Z-HH-M3B
SEER2
20–23BTU/Wh
HSPF2
9.5–10.6BTU/Wh
Cooling Capacity
28000BTU/hr
Cold Climate
Yes
Cold climate certified
ACIQ R5H5S31*K*AAA*
SEER2
15.5–16BTU/Wh
HSPF2
7.8–8BTU/Wh
Cooling Capacity
27400–28200BTU/hr
Refrigerant
R-454B
GWP 470 · Lower
Key differences
1HVAC ACIQ-27Z-HH-M3B is 30% more efficient at 23.0 BTU/Wh versus 16.0 BTU/Wh for the ACIQ R5H5S31*K*AAA*. The ACIQ R5H5S31*K*AAA* is larger at 28200 BTU/hr versus 28000 BTU/hr. ACIQ R5H5S31*K*AAA* uses a lower-impact refrigerant: R-454B (GWP 470) versus R-410A (GWP 2088). Overall, the 1HVAC ACIQ-27Z-HH-M3B sits higher in the category, ranking above 56% of certified air-source heat pumps.
Efficiency
| Spec | 1HVAC | ACIQ |
|---|---|---|
| SEER2 (best combination)(BTU/Wh) | 23 | 16 |
| SEER2 (worst combination)(BTU/Wh) | 20 | 15.5 |
| HSPF2 (best combination)(BTU/Wh) | 10.6 | 8 |
| HSPF2 (worst combination)(BTU/Wh) | 9.5 | 7.8 |
| EER2 (best combination)(BTU/Wh) | 12.5 | 13 |
| COP at 5 °F | 1.80 | 2.05 |
Capacity
| Spec | 1HVAC | ACIQ |
|---|---|---|
| Cooling Capacity (max)(BTU/hr) | 28000 | 28200 |
| Cooling Capacity (min)(BTU/hr) | 28000 | 27400 |
| Heating at 47 °F(BTU/hr) | 28000 | 29600 |
| Heating at 17 °F(BTU/hr) | 27000 | 17600 |
| Heating at 5 °F(BTU/hr) | 25000 | 13500 |
Configuration
| Spec | 1HVAC | ACIQ |
|---|---|---|
| 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 | ACIQ | 15 SEER2 HP |
| Indoor-Unit Combinations Rated | 3 | 4 |
Refrigerant
| Spec | 1HVAC | ACIQ |
|---|---|---|
| Type | R-410A | R-454B |
| GWP Rating | R-410A (GWP:2088) | R-454B (GWP:470 | Lower GWP) |