YH2F42TB21
LX SERIES
449 published source records · source checked Sep 21, 2026
Each efficiency range summarizes published EPA records for YH2F42TB21. The highest SEER2 and HSPF2 may belong to different combinations. Open a source record below to see its ratings and the scope of its component information.
Model patterns and component strings are preserved exactly. How to read model patterns and combinations →
Heating performance & equipment details
Ranges include the 449 published source records for this model. Values in different rows may describe different configurations. Open an individual record to compare values from the same test configuration.
| Reported field | Value / range | Records supplying it |
|---|---|---|
| SEER2 · BTU/Wh | 15.2–16 | 449 / 449 |
| EER2 · BTU/Wh | 11.7–12 | 449 / 449 |
| HSPF2 · BTU/Wh | 7.8–8.1 | 449 / 449 |
| Cooling capacity · BTU/h | 39,500–42,000 | 449 / 449 |
| Heating capacity at 47°F / 8.3°C · BTU/h | 37,400–41,000 | 449 / 449 |
| Heating capacity at 17°F / −8.3°C · BTU/h | 24,200–26,600 | 449 / 449 |
| Heating capacity at 5°F / −15°C · BTU/h | 18,400–22,600 | 449 / 449 |
| COP at 5°F / −15°C | 1.98–2.42 | 449 / 449 |
| Equipment / loop type | HP - Split System | 449 / 449 |
| Refrigerant / source-reported GWP | R-410A (GWP:2088) | 449 / 449 |
| Compressor staging | Two-stage | 449 / 449 |
| Connected capability | No | 449 / 449 |
47°F = 8.3°C; 17°F = −8.3°C; 5°F = −15°C. COP is dimensionless. These are reported rating points, not a prediction of a particular home’s heat demand or operating limit.
Matched systems
Each row is one source record. The component column distinguishes listed combinations from outdoor-model ratings without an indoor configuration.
| Indoor unit / required furnace | SEER2BTU/Wh | HSPF2BTU/Wh | Heating capacity at 5°F / −15°CBTU/h | COP at 5°F / −15°C | Record & comparison |
|---|---|---|---|---|---|
XAHC48FBCN1+ furnace: Y81E080C20LMPS1AHRI reference: 212475505 | 16.00 | 8.10 | 22200 | 2.36 | EPA 2476403 → |
XAHD48FBCN1+ furnace: Y81E080C20LMPS1AHRI reference: 212475040 | 16.00 | 8.10 | 22200 | 2.36 | EPA 2476934 → |
XAHC48FBCN1+ furnace: Y81E120C20LMPS1AHRI reference: 212475491 | 16.00 | 8.10 | 22200 | 2.34 | EPA 2476983 → |
XAHC48FBCN1+ furnace: Y81E120C16LMPS1AHRI reference: 212475714 | 16.00 | 8.10 | 22400 | 2.36 | EPA 2477036 → |
XAFC48FXXN1+TXV+ furnace: Y81E080C20LMPS1AHRI reference: 212475937 | 16.00 | 8.10 | 21000 | 2.22 | EPA 2477422 → |
XAHC48FBCN1+ furnace: Y81E100C20LMPS1AHRI reference: 212475929 | 16.00 | 8.10 | 22200 | 2.36 | EPA 2477952 → |
XAHC48FBCN1+ furnace: Y81E080C16LMPS1AHRI reference: 212475731 | 16.00 | 8.10 | 22200 | 2.38 | EPA 2478319 → |
XAFD48FBCN1+ furnace: Y81E130D20LMPS1AHRI reference: 212475710 | 16.00 | 8.10 | 20800 | 2.24 | EPA 2478387 → |
XAHC48FBCN1+ furnace: Y81E100C16LMPS1AHRI reference: 212475501 | 16.00 | 8.10 | 22200 | 2.36 | EPA 2478778 → |
XAFC48FBCN1+ furnace: Y81E080C20LMPS1AHRI reference: 212475939 | 16.00 | 8.10 | 21000 | 2.22 | EPA 2479492 → |
XAFD48FBCN1+ furnace: Y81E080C16LMPS1AHRI reference: 212475044 | 16.00 | 8.10 | 21200 | 2.24 | EPA 2479576 → |
XAHD48FBCN1+ furnace: Y82E120C20LMPS1AHRI reference: 212413384 | 16.00 | 8.10 | 22200 | 2.34 | EPA 2481693 → |
XAFD48FBCN1+ furnace: Y82E120C20LMPS1AHRI reference: 212413388 | 16.00 | 8.10 | 21200 | 2.20 | EPA 2481695 → |
XAHD48FBCN1+ furnace: Y82E100C20LMPS1AHRI reference: 212413393 | 16.00 | 8.10 | 21800 | 2.38 | EPA 2481698 → |
XAHC48FBCN1+ furnace: Y82E100C20LMPS1AHRI reference: 212413395 | 16.00 | 8.10 | 22200 | 2.36 | EPA 2481700 → |
XAFC48FXXN1+TXV+ furnace: Y82E100C20LMPS1AHRI reference: 212413398 | 16.00 | 8.10 | 21000 | 2.22 | EPA 2481702 → |
XAFC48FBCN1+ furnace: Y82E120C20LMPS1AHRI reference: 212413390 | 16.00 | 8.10 | 20800 | 2.22 | EPA 2481719 → |
XAFD48FBCN1+ furnace: Y82E100C20LMPS1AHRI reference: 212413397 | 16.00 | 8.10 | 20800 | 2.24 | EPA 2481722 → |
XAFC48FBCN1+ furnace: Y82E100C20LMPS1AHRI reference: 212413399 | 16.00 | 8.10 | 21000 | 2.22 | EPA 2481724 → |
XAFD48FBCN1+ furnace: Y82E100C16LMPS1AHRI reference: 212413406 | 16.00 | 8.10 | 20800 | 2.22 | EPA 2481725 → |
Sources and documentation
The table uses public EPA ENERGY STAR data. AHRI references are reported by EPA and have not been independently checked with AHRI. Source records do not establish availability, installation suitability or rebate eligibility.
No manufacturer manual has been matched to this model.
Collection method, revision history and known limitations →