THF2B24T21
LX SERIES
171 published source records · source checked Sep 21, 2026
Each efficiency range summarizes published EPA records for THF2B24T21. 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 171 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 | 171 / 171 |
| EER2 · BTU/Wh | 11.7–12 | 171 / 171 |
| HSPF2 · BTU/Wh | 7.8–8.1 | 171 / 171 |
| Cooling capacity · BTU/h | 22,800–24,200 | 171 / 171 |
| Heating capacity at 47°F / 8.3°C · BTU/h | 20,600–22,800 | 171 / 171 |
| Heating capacity at 17°F / −8.3°C · BTU/h | 13,100–14,500 | 171 / 171 |
| Heating capacity at 5°F / −15°C · BTU/h | 9,600–12,000 | 171 / 171 |
| COP at 5°F / −15°C | 1.96–2.3 | 171 / 171 |
| Equipment / loop type | HP - Split System | 171 / 171 |
| Refrigerant / source-reported GWP | R-410A (GWP:2088) | 171 / 171 |
| Compressor staging | Two-stage | 171 / 171 |
| Connected capability | No | 171 / 171 |
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 |
|---|---|---|---|---|---|
XAFB30CBAN1+ furnace: Z8ES040A12SMPS1AHRI reference: 212486655 | 16.00 | 8.10 | 11700 | 2.20 | EPA 2474739 → |
XAFB30CBAN1+ furnace: Z8ES060A12SMPS1AHRI reference: 212484635 | 16.00 | 7.80 | 11600 | 2.20 | EPA 2475103 → |
XAFB36DXXN1+TXV+ furnace: Z8ES040A12SMPS1AHRI reference: 212486703 | 16.00 | 8.10 | 11400 | 2.24 | EPA 2476164 → |
XAHC36DBAN1+ furnace: Z8ES100B12LMPS1AHRI reference: 212488844 | 16.00 | 8.10 | 11500 | 2.28 | EPA 2476616 → |
XAFB36DBAN1+ furnace: Z8ES100B12LMPS1AHRI reference: 212481525 | 16.00 | 8.10 | 11400 | 2.26 | EPA 2476640 → |
XAHB36DBAN1+ furnace: Z8ES060A12SMPS1AHRI reference: 212479387 | 16.00 | 7.80 | 11400 | 2.24 | EPA 2477078 → |
XAHB30CBAN1+ furnace: Z8ES080B12SMPS1AHRI reference: 212486631 | 16.00 | 8.10 | 11600 | 2.24 | EPA 2477168 → |
XAHB36DBAN1+ furnace: Z8ES080B12SMPS1AHRI reference: 212480541 | 16.00 | 8.10 | 11400 | 2.28 | EPA 2477264 → |
XAFB36DBAN1+ furnace: Z8ES100B12SMPS1AHRI reference: 212481515 | 16.00 | 8.10 | 11400 | 2.26 | EPA 2477280 → |
XAHB30CBAN1+ furnace: Z8ES040A12LMPS1AHRI reference: 212480522 | 16.00 | 8.10 | 11700 | 2.22 | EPA 2477345 → |
XAHC36DBAN1+ furnace: Z8ES100B12SMPS1AHRI reference: 212488839 | 16.00 | 8.10 | 11500 | 2.28 | EPA 2477614 → |
XAFC30CBAN1+ furnace: Z8ES080B12SMPS1AHRI reference: 212488815 | 16.00 | 8.10 | 11600 | 2.22 | EPA 2478456 → |
XAFB36DBAN1+ furnace: Z8ES040A12LMPS1AHRI reference: 212486725 | 16.00 | 8.10 | 11400 | 2.24 | EPA 2478480 → |
XAFB36DXXN1+TXV+ furnace: Z8ES040A12LMPS1AHRI reference: 212486708 | 16.00 | 8.10 | 11400 | 2.24 | EPA 2478687 → |
XAFB36DBAN1+ furnace: Z8ES040A12SMPS1AHRI reference: 212486715 | 16.00 | 8.10 | 11400 | 2.24 | EPA 2478841 → |
XAFC30CBAN1+ furnace: Z8ES080B12LMPS1AHRI reference: 212488820 | 16.00 | 8.10 | 11600 | 2.22 | EPA 2479546 → |
XAHB30CBAN1+ furnace: Z8ES080B12LMPS1AHRI reference: 212486636 | 16.00 | 8.10 | 11600 | 2.24 | EPA 2479869 → |
XAHB36DBAN1+ furnace: Z8ES060A12LMPS1AHRI reference: 212479410 | 16.00 | 7.80 | 11400 | 2.24 | EPA 2480339 → |
XAFB30CBAN1+ furnace: Z8ES040A12LMPS1AHRI reference: 212486665 | 16.00 | 8.10 | 11700 | 2.20 | EPA 2480392 → |
XAFB30CBAN1+ furnace: Z8ES080B12LMPS1AHRI reference: 212479152 | 16.00 | 8.10 | 11600 | 2.22 | EPA 2480763 → |
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 →