Lennox / AIR-SOURCE HEAT PUMP
EL17XP1-042-230A**
MERIT ML17XP1 Series · EPA record 3554875
Source checked Sep 21, 2026
Performance & equipment details
Values below belong to EPA record 3554875. 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 | 15.60 |
| EER2 · BTU/Wh | 13.00 |
| HSPF2 · BTU/Wh | 7.80 |
| Cooling capacity · BTU/h | 40500 |
| Heating capacity at 47°F / 8.3°C · BTU/h | 38500 |
| Heating capacity at 17°F / −8.3°C · BTU/h | 25000 |
| Heating capacity at 5°F / −15°C · BTU/h | 19600 |
| COP at 5°F / −15°C | 2.12 |
| Equipment / loop type | HP - Split System |
| Refrigerant / source-reported GWP | R-410A (GWP:2088) |
| 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
+EL17XP1-042-230A**Indoor unit
+CK40CT-48C-0*+TDRRequired furnace
EL280UH110XE60C*AHRI reference 215223887 · reported by ENERGY STAR; no direct AHRI data connection.
All source records for EL17XP1-042-230A** →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 | 3554875 | EPA Sep 21, 2026 |
| markets | United States | EPA Sep 21, 2026 |
| cop at 5 f | 2.12 | EPA Sep 21, 2026 |
| eer2 btu wh | 13.00 | EPA Sep 21, 2026 |
| series name | MERIT ML17XP1 Series | EPA Sep 21, 2026 |
| cold climate | No | EPA Sep 21, 2026 |
| hspf2 btu wh | 7.80 | EPA Sep 21, 2026 |
| model number | EL17XP1-042-230A** | EPA Sep 21, 2026 |
| product type | HP - Split System | EPA Sep 21, 2026 |
| seer2 btu wh | 15.60 | EPA Sep 21, 2026 |
| date certified | 2025-10-27T00:00:00.000 | 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 | EL280UH110XE60C* | EPA Sep 21, 2026 |
| refrigerant with gwp | R-410A (GWP:2088) | EPA Sep 21, 2026 |
| ahri reference number | 215223887 | EPA Sep 21, 2026 |
| cooling capacity btu h | 40500 | EPA Sep 21, 2026 |
| outdoor unit brand name | Lennox | EPA Sep 21, 2026 |
| date available on market | 2022-10-25T00:00:00.000 | EPA Sep 21, 2026 |
| indoor unit model number | CK40CT-48C-0*+TDR | EPA Sep 21, 2026 |
| energy star model identifier | ES_1082495_EL17XP1-042-230A**_07132024013023_820101 | EPA Sep 21, 2026 |
| heating capacity at 5 f btu h | 19600 | EPA Sep 21, 2026 |
| meets most efficient criteria | No | EPA Sep 21, 2026 |
| heating capacity at 17 f btu h | 25000 | EPA Sep 21, 2026 |
| heating capacity at 47 f btu h | 38500 | EPA Sep 21, 2026 |
| meets peak cooling requirements | Yes | EPA Sep 21, 2026 |
| controls verification procedure cvp test | None | EPA Sep 21, 2026 |