York / AIR-SOURCE HEAT PUMP
YH636E2S11
LX SERIES · EPA record 4013126
Source checked Sep 21, 2026
Performance & equipment details
Values below belong to EPA record 4013126. 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 | 17.00 |
| EER2 · BTU/Wh | 12.00 |
| HSPF2 · BTU/Wh | 8.50 |
| Cooling capacity · BTU/h | 35800 |
| Heating capacity at 47°F / 8.3°C · BTU/h | 36200 |
| Heating capacity at 17°F / −8.3°C · BTU/h | 23200 |
| Heating capacity at 5°F / −15°C · BTU/h | 19500 |
| COP at 5°F / −15°C | 2.42 |
| Equipment / loop type | HP - Split System |
| Refrigerant / source-reported GWP | R-454B (GWP:470 | Lower GWP) |
| 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
+YH636E2S11Indoor unit
+CTF48C5CFS1Required furnace
Y81E100C16SMPS1AHRI reference 217017190 · reported by ENERGY STAR; no direct AHRI data connection.
All source records for YH636E2S11 →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 | 4013126 | EPA Sep 21, 2026 |
| markets | United States, Canada | EPA Sep 21, 2026 |
| cop at 5 f | 2.42 | EPA Sep 21, 2026 |
| eer2 btu wh | 12.00 | EPA Sep 21, 2026 |
| series name | LX SERIES | EPA Sep 21, 2026 |
| cold climate | No | EPA Sep 21, 2026 |
| hspf2 btu wh | 8.50 | EPA Sep 21, 2026 |
| model number | YH636E2S11 | EPA Sep 21, 2026 |
| product type | HP - Split System | EPA Sep 21, 2026 |
| seer2 btu wh | 17.00 | EPA Sep 21, 2026 |
| date certified | 2026-07-17T00:00:00.000 | EPA Sep 21, 2026 |
| manufacturer type | System Manufacturer | EPA Sep 21, 2026 |
| compressor staging | Two-stage | EPA Sep 21, 2026 |
| energy star partner | Johnson Controls, Inc. | EPA Sep 21, 2026 |
| connected capability | No | EPA Sep 21, 2026 |
| furnace model number | Y81E100C16SMPS1 | EPA Sep 21, 2026 |
| refrigerant with gwp | R-454B (GWP:470 | Lower GWP) | EPA Sep 21, 2026 |
| ahri reference number | 217017190 | EPA Sep 21, 2026 |
| cooling capacity btu h | 35800 | EPA Sep 21, 2026 |
| outdoor unit brand name | York | EPA Sep 21, 2026 |
| date available on market | 2025-09-18T00:00:00.000 | EPA Sep 21, 2026 |
| indoor unit model number | CTF48C5CFS1 | EPA Sep 21, 2026 |
| energy star model identifier | ES_21045_YH636E2S11_04012025173556_28217017190 | EPA Sep 21, 2026 |
| heating capacity at 5 f btu h | 19500 | EPA Sep 21, 2026 |
| meets most efficient criteria | Yes | EPA Sep 21, 2026 |
| heating capacity at 17 f btu h | 23200 | EPA Sep 21, 2026 |
| heating capacity at 47 f btu h | 36200 | EPA Sep 21, 2026 |
| meets peak cooling requirements | Yes | EPA Sep 21, 2026 |
| controls verification procedure cvp test | ENERGY STAR CVP Test | EPA Sep 21, 2026 |