Lennox EL18KSLV-060-230A**vsYork YZT60B21
Side-by-side heat pump comparison
Lennox EL18KSLV-060-230A**
SEER2
15.2–18.3BTU/Wh
HSPF2
8.1–9.6BTU/Wh
Cooling Capacity
42500–55500BTU/hr
Cold Climate
Yes
Cold climate certified
York YZT60B21
SEER2
15.2–16BTU/Wh
HSPF2
7.8BTU/Wh
Cooling Capacity
54000–55000BTU/hr
Refrigerant
R-410A
GWP 2088 · Higher
Key differences
Lennox EL18KSLV-060-230A** is 13% more efficient at 18.3 BTU/Wh versus 16.0 BTU/Wh for the York YZT60B21. The Lennox EL18KSLV-060-230A** is larger at 55500 BTU/hr versus 55000 BTU/hr. Lennox EL18KSLV-060-230A** uses a lower-impact refrigerant: R-454B (GWP 470) versus R-410A (GWP 2088). Overall, the Lennox EL18KSLV-060-230A** sits higher in the category, ranking above 96% of certified air-source heat pumps.
Efficiency
| Spec | Lennox | York |
|---|---|---|
| SEER2 (best combination)(BTU/Wh) | 18.3 | 16 |
| SEER2 (worst combination)(BTU/Wh) | 15.2 | 15.2 |
| HSPF2 (best combination)(BTU/Wh) | 9.6 | 7.8 |
| HSPF2 (worst combination)(BTU/Wh) | 8.1 | 7.8 |
| EER2 (best combination)(BTU/Wh) | 11.7 | 11.7 |
| COP at 5 °F | 1.95 | 2.28 |
Capacity
| Spec | Lennox | York |
|---|---|---|
| Cooling Capacity (max)(BTU/hr) | 55500 | 55000 |
| Cooling Capacity (min)(BTU/hr) | 42500 | 54000 |
| Heating at 47 °F(BTU/hr) | 56500 | 60000 |
| Heating at 17 °F(BTU/hr) | 45000 | 40500 |
| Heating at 5 °F(BTU/hr) | 45000 | 33400 |
Configuration
| Spec | Lennox | York |
|---|---|---|
| Product Type | HP - Split System | HP - Split System |
| Compressor Staging | Continuously variable | Two-stage |
| Cold Climate Certified | Yes | No |
| Connected Capability | No | No |
| Series | Elite EL18KSLV Series | AFFINITY |
| Indoor-Unit Combinations Rated | 330 | 18 |
Refrigerant
| Spec | Lennox | York |
|---|---|---|
| Type | R-454B | R-410A |
| GWP Rating | R-454B (GWP:470 | Lower GWP) | R-410A (GWP:2088) |