MDV M3OH-27HFN1-MQ1vsTHERMOFLUX TMFX27HEI2NAS0U25
Side-by-side heat pump comparison
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
THERMOFLUX TMFX27HEI2NAS0U25
SEER2
26.5BTU/Wh
HSPF2
10.5BTU/Wh
Cooling Capacity
27000BTU/hr
Cold Climate
Yes
Cold climate certified
Key differences
THERMOFLUX TMFX27HEI2NAS0U25 is 17% more efficient at 26.5 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. THERMOFLUX TMFX27HEI2NAS0U25 uses a lower-impact refrigerant: R-454B (GWP 470) versus R-410A (GWP 2088). Overall, the THERMOFLUX TMFX27HEI2NAS0U25 sits higher in the category, ranking above 96% of certified air-source heat pumps.
Efficiency
| Spec | MDV | THERMOFLUX |
|---|---|---|
| SEER2 (best combination)(BTU/Wh) | 22 | 26.5 |
| SEER2 (worst combination)(BTU/Wh) | 20.8 | 26.5 |
| HSPF2 (best combination)(BTU/Wh) | 9.5 | 10.5 |
| HSPF2 (worst combination)(BTU/Wh) | 9.3 | 10.5 |
| EER2 (best combination)(BTU/Wh) | 12 | 14 |
| COP at 5 °F | 1.90 | 2 |
Capacity
| Spec | MDV | THERMOFLUX |
|---|---|---|
| Cooling Capacity (max)(BTU/hr) | 27400 | 27000 |
| Cooling Capacity (min)(BTU/hr) | 27000 | 27000 |
| Heating at 47 °F(BTU/hr) | 27400 | 27000 |
| Heating at 17 °F(BTU/hr) | 20400 | 28000 |
| Heating at 5 °F(BTU/hr) | 19000 | 26000 |
Configuration
| Spec | MDV | THERMOFLUX |
|---|---|---|
| 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 | MSAB series | High heat free match |
| Indoor-Unit Combinations Rated | 2 | 1 |
Refrigerant
| Spec | MDV | THERMOFLUX |
|---|---|---|
| Type | R-410A | R-454B |
| GWP Rating | R-410A (GWP:2088) | R-454B (GWP:470 | Lower GWP) |