York / AIR-SOURCE HEAT PUMP
YZT24B21
AFFINITY · EPA record 3991080
Source checked Sep 21, 2026
Performance & equipment details
Values below belong to EPA record 3991080. 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 | 18.00 |
| EER2 · BTU/Wh | 13.00 |
| HSPF2 · BTU/Wh | 7.80 |
| Cooling capacity · BTU/h | 23000 |
| Heating capacity at 47°F / 8.3°C · BTU/h | 23000 |
| Heating capacity at 17°F / −8.3°C · BTU/h | 14500 |
| Heating capacity at 5°F / −15°C · BTU/h | 11000 |
| COP at 5°F / −15°C | 1.80 |
| Equipment / loop type | HP - Split System |
| 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
+YZT24B21Indoor unit
+XAFB36DBAN1Required furnace
Y81E100B12LMPS1AHRI reference 212475539 · reported by ENERGY STAR; no direct AHRI data connection.
All source records for YZT24B21 →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 | 3991080 | EPA Sep 21, 2026 |
| markets | United States, Canada | EPA Sep 21, 2026 |
| cop at 5 f | 1.80 | EPA Sep 21, 2026 |
| eer2 btu wh | 13.00 | EPA Sep 21, 2026 |
| series name | AFFINITY | EPA Sep 21, 2026 |
| cold climate | No | EPA Sep 21, 2026 |
| hspf2 btu wh | 7.80 | EPA Sep 21, 2026 |
| model number | YZT24B21 | EPA Sep 21, 2026 |
| product type | HP - Split System | EPA Sep 21, 2026 |
| seer2 btu wh | 18.00 | EPA Sep 21, 2026 |
| date certified | 2025-04-11T00:00:00.000 | 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 | Y81E100B12LMPS1 | EPA Sep 21, 2026 |
| refrigerant with gwp | R-410A (GWP:2088) | EPA Sep 21, 2026 |
| ahri reference number | 212475539 | EPA Sep 21, 2026 |
| cooling capacity btu h | 23000 | EPA Sep 21, 2026 |
| outdoor unit brand name | York | EPA Sep 21, 2026 |
| date available on market | 2023-05-18T00:00:00.000 | EPA Sep 21, 2026 |
| indoor unit model number | XAFB36DBAN1 | EPA Sep 21, 2026 |
| energy star model identifier | ES_21045_YZT24B21_05102023020520_73153 | EPA Sep 21, 2026 |
| heating capacity at 5 f btu h | 11000 | EPA Sep 21, 2026 |
| meets most efficient criteria | No | EPA Sep 21, 2026 |
| heating capacity at 17 f btu h | 14500 | EPA Sep 21, 2026 |
| heating capacity at 47 f btu h | 23000 | EPA Sep 21, 2026 |
| meets peak cooling requirements | Yes | EPA Sep 21, 2026 |
| controls verification procedure cvp test | None | EPA Sep 21, 2026 |