Lennox / AIR-SOURCE HEAT PUMP
LDT036H4E*1P
ENLIGHT · EPA record 2634497
Source checked Sep 21, 2026
Performance & equipment details
Values below belong to EPA record 2634497. 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 | 11.40 |
| HSPF2 · BTU/Wh | 7.20 |
| Cooling capacity · BTU/h | 35000 |
| Heating capacity at 47°F / 8.3°C · BTU/h | 35000 |
| Heating capacity at 17°F / −8.3°C · BTU/h | 19000 |
| Heating capacity at 5°F / −15°C · BTU/h | 26600 |
| COP at 5°F / −15°C | 2.10 |
| Equipment / loop type | HP - Single Package |
| Refrigerant / source-reported GWP | R-410A (GWP:2088) |
| Compressor staging | Two-stage |
| Connected capability | No |
This listed system
These ratings apply to the listed configuration. Changing a component may change performance.
Outdoor unit
+LDT036H4E*1PIndoor unit
Integrated single packageAHRI reference 211198005 · reported by ENERGY STAR; no direct AHRI data connection.
All source records for LDT036H4E*1P →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 | 2634497 | EPA Sep 21, 2026 |
| markets | United States, Canada | EPA Sep 21, 2026 |
| cop at 5 f | 2.10 | EPA Sep 21, 2026 |
| eer2 btu wh | 11.40 | EPA Sep 21, 2026 |
| series name | ENLIGHT | EPA Sep 21, 2026 |
| cold climate | No | EPA Sep 21, 2026 |
| hspf2 btu wh | 7.20 | EPA Sep 21, 2026 |
| model number | LDT036H4E*1P | EPA Sep 21, 2026 |
| product type | HP - Single Package | EPA Sep 21, 2026 |
| seer2 btu wh | 15.20 | EPA Sep 21, 2026 |
| date certified | 2026-04-22T00:00:00.000 | EPA Sep 21, 2026 |
| manufacturer type | System Manufacturer | EPA Sep 21, 2026 |
| compressor staging | Two-stage | EPA Sep 21, 2026 |
| energy star partner | Lennox Industries | EPA Sep 21, 2026 |
| connected capability | No | EPA Sep 21, 2026 |
| refrigerant with gwp | R-410A (GWP:2088) | EPA Sep 21, 2026 |
| ahri reference number | 211198005 | EPA Sep 21, 2026 |
| cooling capacity btu h | 35000 | EPA Sep 21, 2026 |
| outdoor unit brand name | Lennox | EPA Sep 21, 2026 |
| date available on market | 2023-02-02T00:00:00.000 | EPA Sep 21, 2026 |
| energy star model identifier | ES_1105784_LDT036H4E*1P_04262023005129_6216348 | EPA Sep 21, 2026 |
| heating capacity at 5 f btu h | 26600 | EPA Sep 21, 2026 |
| meets most efficient criteria | No | EPA Sep 21, 2026 |
| heating capacity at 17 f btu h | 19000 | EPA Sep 21, 2026 |
| heating capacity at 47 f btu h | 35000 | EPA Sep 21, 2026 |
| meets peak cooling requirements | Yes | EPA Sep 21, 2026 |
| controls verification procedure cvp test | None | EPA Sep 21, 2026 |