Johnson Controls HL19B4821vsZERO ZOV-48HDTB
Side-by-side heat pump comparison
Johnson Controls HL19B4821
SEER2
16–17BTU/Wh
HSPF2
8.1BTU/Wh
Cooling Capacity
45500–47500BTU/hr
Refrigerant
R-410A
GWP 2088 · Higher
ZERO ZOV-48HDTB
SEER2
18BTU/Wh
HSPF2
8.5BTU/Wh
Cooling Capacity
47000BTU/hr
Cold Climate
Yes
Cold climate certified
Key differences
ZERO ZOV-48HDTB is 6% more efficient at 18.0 BTU/Wh versus 17.0 BTU/Wh for the Johnson Controls HL19B4821. The Johnson Controls HL19B4821 is larger at 47500 BTU/hr versus 47000 BTU/hr. ZERO ZOV-48HDTB uses a lower-impact refrigerant: R-454B (GWP 470) versus R-410A (GWP 2088).
Efficiency
| Spec | Johnson Controls | ZERO |
|---|---|---|
| SEER2 (best combination)(BTU/Wh) | 17 | 18 |
| SEER2 (worst combination)(BTU/Wh) | 16 | 18 |
| HSPF2 (best combination)(BTU/Wh) | 8.1 | 8.5 |
| HSPF2 (worst combination)(BTU/Wh) | 8.1 | 8.5 |
| EER2 (best combination)(BTU/Wh) | 12.5 | 9 |
| COP at 5 °F | 2.32 | 1.80 |
Capacity
| Spec | Johnson Controls | ZERO |
|---|---|---|
| Cooling Capacity (max)(BTU/hr) | 47500 | 47000 |
| Cooling Capacity (min)(BTU/hr) | 45500 | 47000 |
| Heating at 47 °F(BTU/hr) | 48000 | 47000 |
| Heating at 17 °F(BTU/hr) | 33000 | 35000 |
| Heating at 5 °F(BTU/hr) | 27000 | 33000 |
Configuration
| Spec | Johnson Controls | ZERO |
|---|---|---|
| Product Type | HP - Split System | HP - Split System |
| Compressor Staging | Two-stage | Continuously variable |
| Cold Climate Certified | No | Yes |
| Connected Capability | No | No |
| Series | MOMENTUM | Z-MAX |
| Indoor-Unit Combinations Rated | 17 | 1 |
Refrigerant
| Spec | Johnson Controls | ZERO |
|---|---|---|
| Type | R-410A | R-454B |
| GWP Rating | R-410A (GWP:2088) | R-454B (GWP:470 | Lower GWP) |