ACIQ ES-27Z-M4CvsMDV M3OH-27HFN1-MQ1
Side-by-side heat pump comparison
ACIQ ES-27Z-M4C
SEER2
21–25BTU/Wh
HSPF2
9–9.5BTU/Wh
Cooling Capacity
26600–27000BTU/hr
Cold Climate
Yes
Cold climate certified
MDV M3OH-27HFN1-MQ1
SEER2
20.8–22BTU/Wh
HSPF2
9.3–9.5BTU/Wh
Cooling Capacity
27000–27400BTU/hr
Cold Climate
Yes
Cold climate certified
Key differences
ACIQ ES-27Z-M4C is 12% more efficient at 25.0 BTU/Wh versus 22.0 BTU/Wh for the MDV M3OH-27HFN1-MQ1. The MDV M3OH-27HFN1-MQ1 is larger at 27400 BTU/hr versus 27000 BTU/hr. ACIQ ES-27Z-M4C uses a lower-impact refrigerant: R-454B (GWP 470) versus R-410A (GWP 2088). Overall, the ACIQ ES-27Z-M4C sits higher in the category, ranking above 89% of certified air-source heat pumps.
Efficiency
| Spec | ACIQ | MDV |
|---|---|---|
| SEER2 (best combination)(BTU/Wh) | 25 | 22 |
| SEER2 (worst combination)(BTU/Wh) | 21 | 20.8 |
| HSPF2 (best combination)(BTU/Wh) | 9.5 | 9.5 |
| HSPF2 (worst combination)(BTU/Wh) | 9 | 9.3 |
| EER2 (best combination)(BTU/Wh) | 13 | 12 |
| COP at 5 °F | 2 | 1.90 |
Capacity
| Spec | ACIQ | MDV |
|---|---|---|
| Cooling Capacity (max)(BTU/hr) | 27000 | 27400 |
| Cooling Capacity (min)(BTU/hr) | 26600 | 27000 |
| Heating at 47 °F(BTU/hr) | 27000 | 27400 |
| Heating at 17 °F(BTU/hr) | 23600 | 20400 |
| Heating at 5 °F(BTU/hr) | 19000 | 19000 |
Configuration
| Spec | ACIQ | MDV |
|---|---|---|
| Product Type | HP - Mini or Multi Split | HP - Mini or Multi Split |
| Compressor Staging | Continuously variable | Continuously variable |
| Cold Climate Certified | Yes | Yes |
| Connected Capability | No | No |
| Series | ES Series | MSAB series |
| Indoor-Unit Combinations Rated | 3 | 2 |
Refrigerant
| Spec | ACIQ | MDV |
|---|---|---|
| Type | R-454B | R-410A |
| GWP Rating | R-454B (GWP:470 | Lower GWP) | R-410A (GWP:2088) |