Lennox / LIGHT COMMERCIAL HVAC
ML14KP1-042-463A**
MERIT ML14KP1 Series · EPA record 4517481
Source checked Sep 21, 2026
Performance & equipment details
Values below belong to EPA record 4517481. Temperature points and test metrics are preserved as reported. Missing and zero values are not substituted with estimates.
| Metric or attribute | Source value |
|---|---|
| SEER2 · BTU/Wh | 15.2 |
| EER2 · BTU/Wh | 12.6 |
| IEER · BTU/Wh | Not supplied |
| SEER · BTU/Wh | Not supplied |
| EER · BTU/Wh | Not supplied |
| HSPF2 · BTU/Wh | 7.8 |
| HSPF · BTU/Wh | Not supplied |
| Cooling capacity · kBTU/h | 0 |
| Heating capacity at 47°F / 8.3°C · kBTU/h | Not supplied |
| Heating capacity at 17°F / −8.3°C · kBTU/h | 25.4 |
| Heating capacity at 5°F / −15°C · kBTU/h | Not supplied |
| COP at 47°F / 8.3°C | Not supplied |
| COP at 17°F / −8.3°C | Not supplied |
| COP at 5°F / −15°C | Not supplied |
| Commercial equipment class | Very Small HP |
| System construction | Split |
| Refrigerant / source-reported GWP | R-454B (GWP:470 | Lower GWP) |
| Refrigerant | R-454B |
This listed system
These ratings apply to the listed configuration. Changing a component may change performance.
Outdoor unit
+ML14KP1-042-463A**Indoor unit
CK40[C,U]T-49C-**+TDRAHRI reference not supplied · reported by ENERGY STAR; no direct AHRI data connection.
All source records for ML14KP1-042-463A** →Specifications & provenance
Every value below is preserved from the source record. Checked Sep 21, 2026. Asterisks and other model wildcards are retained as published.
| Source field | Reported value | Evidence |
|---|---|---|
| type | Very Small HP | EPA Sep 21, 2026 |
| pd id | 4517481 | EPA Sep 21, 2026 |
| markets | United States, Canada | EPA Sep 21, 2026 |
| brand name | Lennox | EPA Sep 21, 2026 |
| model name | MERIT ML14KP1 Series | EPA Sep 21, 2026 |
| cold climate | No | EPA Sep 21, 2026 |
| model number | ML14KP1-042-463A** | EPA Sep 21, 2026 |
| date qualified | 2025-12-02T00:00:00.000 | EPA Sep 21, 2026 |
| refrigerant type | R-454B | EPA Sep 21, 2026 |
| eer2 rating btu wh | 12.6 | EPA Sep 21, 2026 |
| energy star partner | Lennox Industries | EPA Sep 21, 2026 |
| hspf2 rating btu wh | 7.8 | EPA Sep 21, 2026 |
| seer2 rating btu wh | 15.2 | EPA Sep 21, 2026 |
| heating section type | All Other | EPA Sep 21, 2026 |
| refrigerant with gwp | R-454B (GWP:470 | Lower GWP) | EPA Sep 21, 2026 |
| cooling capacity kbtu h | 0 | EPA Sep 21, 2026 |
| date available on market | 2024-10-01T00:00:00.000 | EPA Sep 21, 2026 |
| indoor unit model number | CK40[C,U]T-49C-**+TDR | EPA Sep 21, 2026 |
| energy star model identifier | ES_1082495_ML14KP1-042-463A**_08012025013054_21217623988 | EPA Sep 21, 2026 |
| heating capacity at 17f kbtu h | 25.4 | EPA Sep 21, 2026 |
| split system or single package | Split | EPA Sep 21, 2026 |
| meets peak cooling requirements | Yes | EPA Sep 21, 2026 |