THF2B42T21
LX SERIES · source records, page 4
419 published source records · source checked Sep 21, 2026
Each efficiency range summarizes published EPA records for THF2B42T21. 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 419 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 | 419 / 419 |
| EER2 · BTU/Wh | 11.7–12 | 419 / 419 |
| HSPF2 · BTU/Wh | 7.8–8.1 | 419 / 419 |
| Cooling capacity · BTU/h | 39,500–42,000 | 419 / 419 |
| Heating capacity at 47°F / 8.3°C · BTU/h | 37,400–41,000 | 419 / 419 |
| Heating capacity at 17°F / −8.3°C · BTU/h | 24,200–26,600 | 419 / 419 |
| Heating capacity at 5°F / −15°C · BTU/h | 18,400–22,600 | 419 / 419 |
| COP at 5°F / −15°C | 1.98–2.42 | 419 / 419 |
| Equipment / loop type | HP - Split System | 419 / 419 |
| Refrigerant / source-reported GWP | R-410A (GWP:2088) | 419 / 419 |
| Compressor staging | Two-stage | 419 / 419 |
| Connected capability | No | 419 / 419 |
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 |
|---|---|---|---|---|---|
XAFD48FBCN1+ furnace: Z8ET100C20LMPS1AHRI reference: 212415944 | 16.00 | 8.10 | 20800 | 2.24 | EPA 2485290 → |
XAFC48FXXN1+TXV+ furnace: Z8ET100C20LMPS1AHRI reference: 212415949 | 16.00 | 8.10 | 21000 | 2.22 | EPA 2485294 → |
XAHD48FBCN1+ furnace: Z8ES100C16SMPS1AHRI reference: 212416239 | 16.00 | 8.10 | 22200 | 2.36 | EPA 2485565 → |
XAFC48FBCN1+ furnace: Z8ET100C20LMPS1AHRI reference: 212415954 | 16.00 | 8.10 | 21000 | 2.22 | EPA 2485566 → |
XAHD48FBCN1+ furnace: Z8ET100C16LMPS1AHRI reference: 212415969 | 16.00 | 8.10 | 22000 | 2.36 | EPA 2485573 → |
XAHD48FBCN1+ furnace: Z8ES120C20LMPS1AHRI reference: 212478258 | 16.00 | 8.10 | 22200 | 2.34 | EPA 2485611 → |
XAHC48FBCN1+ furnace: Z8ES100C16SMPS1AHRI reference: 212416249 | 16.00 | 8.10 | 22200 | 2.36 | EPA 2485857 → |
XAHC48FBCN1+ furnace: Z9ES080C20SMPS1AHRI reference: 212415743 | 16.00 | 8.10 | 22400 | 2.32 | EPA 2485878 → |
XAHC48FBCN1+ furnace: TMLV120C20MP12AHRI reference: 210845364 | 16.00 | 8.10 | 20200 | 2.14 | EPA 2837530 → |
XAHC48FBCN1+ furnace: TPLC100C16MP13AHRI reference: 210848179 | 16.00 | 8.10 | 20600 | 2.12 | EPA 2837786 → |
XAHC48FBCN1+ furnace: TMLV100C16MP12AHRI reference: 210850650 | 16.00 | 8.10 | 20600 | 2.12 | EPA 2837847 → |
XAHC48FBCN1+ furnace: TPLC100C20MP13AHRI reference: 210851117 | 16.00 | 8.10 | 20200 | 2.14 | EPA 2837929 → |
XAHC48FBCN1+ furnace: TPLC080C16MP13AHRI reference: 210849355 | 16.00 | 8.10 | 20600 | 2.12 | EPA 2838077 → |
XAHC48FBCN1+ furnace: TPLC120C20MP13AHRI reference: 210850207 | 16.00 | 8.10 | 20200 | 2.14 | EPA 2838102 → |
XAFD60GBCN1+JMVT20DC2N1AHRI reference: 213271291 | 16.00 | 8.10 | 20600 | 2.34 | EPA 2840068 → |
XAHC60GBCN1+JMET16CS2N1AHRI reference: 213271320 | 16.00 | 8.10 | 22200 | 2.38 | EPA 2840099 → |
XAFC60GBCN1+JMET12CS2N1AHRI reference: 213271334 | 16.00 | 8.10 | 20800 | 2.30 | EPA 2840111 → |
JHETD48GBCS2N1AHRI reference: 213271339 | 16.00 | 8.10 | 20800 | 2.32 | EPA 2840114 → |
XAFD60GBCN1+JMET18DS4N1AHRI reference: 213271045 | 16.00 | 8.10 | 21200 | 2.32 | EPA 2840184 → |
XAHC60GBCN1+JMET12CS4N1AHRI reference: 213271066 | 16.00 | 8.10 | 21800 | 2.38 | EPA 2840209 → |
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 →