The XB14 single-stage heat pumps SEER up to 15.50 and HSPF up to 8.50 make it an energy-efficient choice for home comfort.
| MODEL | Cooling Cap. MBtuH | SEER | Heating Cap.MBtuH | HSPF | Refrigerant Charge Oz. | Line Size | Dimensions HxWxD | Weight Lbs. |
|---|---|---|---|---|---|---|---|---|
| 4TWB4018G | 18.9 | 15.0 | 17.3 | 9.0 | 94 | 3/8-5/8 | 29x30x33 | 204 |
| 4TWB4024G | 24.2 | 15.0 | 22.2 | 9.0 | 114 | 3/8-5/8 | 33x30x33 | 236 |
| 4TWB4030G | 30.8 | 14.8 | 28.4 | 8.2 | 130 | 3/8-3/4 | 33x34x37 | 283 |
| 4TWB4036G | 36.0 | 14.0 | 34.2 | 9.0 | 125 | 3/8-3/4 | 33x34x37 | 261 |
| 4TWB4042G | 40.5 | 14.0 | 38.5 | 8.2 | 158 | 3/8-3/4 | 37x34x37 | 278 |
| 4TWB4049E | 50.0 | 15.0 | 47.5 | 8.5 | 218 | 3/8-7/8 | 45x34x37 | 331 |
| 4TWB4061E | 58.5 | 14.5 | 55.0 | 8.0 | 220 | 3/8-1-1/8 | 45x34x37 | 332 |
