Comfortmaker / AIR-SOURCE HEAT PUMP
C4H5S36*K*AAA*
MAINLINE 15 SEER2 HP · EPA record 2644318
Source checked Sep 21, 2026
Performance & equipment details
Values below belong to EPA record 2644318. 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 | 12.00 |
| HSPF2 · BTU/Wh | 7.80 |
| Cooling capacity · BTU/h | 35600 |
| Heating capacity at 47°F / 8.3°C · BTU/h | 35000 |
| Heating capacity at 17°F / −8.3°C · BTU/h | 21200 |
| Heating capacity at 5°F / −15°C · BTU/h | 16500 |
| COP at 5°F / −15°C | 2.10 |
| 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
+C4H5S36*K*AAA*Indoor unit
+EA*4X43L21A*Required furnace
*95ESU0802120A*AHRI reference 210315410 · reported by ENERGY STAR; no direct AHRI data connection.
All source records for C4H5S36*K*AAA* →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 | 2644318 | 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 | 12.00 | EPA Sep 21, 2026 |
| series name | MAINLINE 15 SEER2 HP | EPA Sep 21, 2026 |
| cold climate | No | EPA Sep 21, 2026 |
| hspf2 btu wh | 7.80 | EPA Sep 21, 2026 |
| model number | C4H5S36*K*AAA* | EPA Sep 21, 2026 |
| product type | HP - Split System | EPA Sep 21, 2026 |
| seer2 btu wh | 15.20 | EPA Sep 21, 2026 |
| date certified | 2025-01-27T00:00:00.000 | EPA Sep 21, 2026 |
| manufacturer type | System Manufacturer | EPA Sep 21, 2026 |
| compressor staging | Single stage | EPA Sep 21, 2026 |
| energy star partner | Carrier Corporation | EPA Sep 21, 2026 |
| connected capability | No | EPA Sep 21, 2026 |
| furnace model number | *95ESU0802120A* | EPA Sep 21, 2026 |
| refrigerant with gwp | R-410A (GWP:2088) | EPA Sep 21, 2026 |
| ahri reference number | 210315410 | EPA Sep 21, 2026 |
| cooling capacity btu h | 35600 | EPA Sep 21, 2026 |
| outdoor unit brand name | Comfortmaker | EPA Sep 21, 2026 |
| date available on market | 2023-07-13T00:00:00.000 | EPA Sep 21, 2026 |
| indoor unit model number | EA*4X43L21A* | EPA Sep 21, 2026 |
| energy star model identifier | ES_1020846_C4H5S36*K*AAA*_07192023113142_2494474 | EPA Sep 21, 2026 |
| heating capacity at 5 f btu h | 16500 | EPA Sep 21, 2026 |
| meets most efficient criteria | No | EPA Sep 21, 2026 |
| heating capacity at 17 f btu h | 21200 | 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 |