Lennox / AIR-SOURCE HEAT PUMP
ML14KP1-036-230A**
Merit ML14KP1 SERIES · EPA record 4705629
Source checked Sep 21, 2026
Performance & equipment details
Values below belong to EPA record 4705629. 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 | 15.20 |
| EER2 · BTU/Wh | 12.50 |
| HSPF2 · BTU/Wh | 7.80 |
| Cooling capacity · BTU/h | 36000 |
| Heating capacity at 47°F / 8.3°C · BTU/h | 34400 |
| Heating capacity at 17°F / −8.3°C · BTU/h | 20400 |
| Heating capacity at 5°F / −15°C · BTU/h | 16700 |
| COP at 5°F / −15°C | 1.90 |
| Equipment / loop type | HP - Split System |
| Refrigerant / source-reported GWP | R-454B (GWP:470 | Lower GWP) |
| Compressor staging | Single stage |
| Connected capability | No |
This listed system
These ratings apply to the listed configuration. Changing a component may change performance.
Outdoor unit
+ML14KP1-036-230A**Indoor unit
+CK40[C,U]T-36C-**+TDRRequired furnace
ML297UH110XV60C*AHRI reference 218732601 · reported by ENERGY STAR; no direct AHRI data connection.
All source records for ML14KP1-036-230A** →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 |
|---|---|---|
| pd id | 4705629 | EPA Sep 21, 2026 |
| markets | United States, Canada | EPA Sep 21, 2026 |
| cop at 5 f | 1.90 | EPA Sep 21, 2026 |
| eer2 btu wh | 12.50 | EPA Sep 21, 2026 |
| series name | Merit ML14KP1 SERIES | EPA Sep 21, 2026 |
| cold climate | No | EPA Sep 21, 2026 |
| hspf2 btu wh | 7.80 | EPA Sep 21, 2026 |
| model number | ML14KP1-036-230A** | EPA Sep 21, 2026 |
| product type | HP - Split System | EPA Sep 21, 2026 |
| seer2 btu wh | 15.20 | EPA Sep 21, 2026 |
| date certified | 2026-09-16T00:00:00.000 | EPA Sep 21, 2026 |
| manufacturer type | System Manufacturer | EPA Sep 21, 2026 |
| compressor staging | Single stage | EPA Sep 21, 2026 |
| energy star partner | Lennox Industries | EPA Sep 21, 2026 |
| connected capability | No | EPA Sep 21, 2026 |
| furnace model number | ML297UH110XV60C* | EPA Sep 21, 2026 |
| refrigerant with gwp | R-454B (GWP:470 | Lower GWP) | EPA Sep 21, 2026 |
| ahri reference number | 218732601 | EPA Sep 21, 2026 |
| cooling capacity btu h | 36000 | EPA Sep 21, 2026 |
| outdoor unit brand name | Lennox | EPA Sep 21, 2026 |
| date available on market | 2026-05-20T00:00:00.000 | EPA Sep 21, 2026 |
| indoor unit model number | CK40[C,U]T-36C-**+TDR | EPA Sep 21, 2026 |
| energy star model identifier | ES_1082495_ML14KP1-036-230A**_08252026140002_28218732601 | EPA Sep 21, 2026 |
| heating capacity at 5 f btu h | 16700 | EPA Sep 21, 2026 |
| meets most efficient criteria | No | EPA Sep 21, 2026 |
| heating capacity at 17 f btu h | 20400 | EPA Sep 21, 2026 |
| heating capacity at 47 f btu h | 34400 | EPA Sep 21, 2026 |
| meets peak cooling requirements | Yes | EPA Sep 21, 2026 |
| controls verification procedure cvp test | DOE Federal CVP Test | EPA Sep 21, 2026 |