The XB13 single-stage heat pumps SEER up to 14.50 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. |
|---|---|---|---|---|---|---|---|---|
| 4TWB3018D | 18.0 | 14.0 | 17.8 | 7.7 | 82 | 3/8-5/8 | 34x30.1x33 | 159 |
| 4TWB3024D | 24.0 | 14.0 | 23.6 | 8.5 | 84 | 3/8-5/8 | 34x30.1x33 | 159 |
| 4TWB3030C | 30.6 | 13.0 | 29.2 | 7.7 | 101 | 3/8-3/4 | 38x30.1x33 | 193 |
| 4TWB3036C | 36.0 | 14.0 | 34.8 | 8.5 | 98 | 3/8-3/4 | 38.4x35.1x38.7 | 198 |
| 4TWB3042B | 41.0 | 13.0 | 39.5 | 7.7 | 119 | 3/8-3/4 | 38.4x35.1x38.7 | 219 |
| 4TWB3048B | 48.5 | 13.0 | 45.5 | 7.7 | 137 | 3/8-7/8 | 42.4x35.1x38.7 | 234 |
| 4TWB3060B | 58.0 | 13.0 | 55.5 | 7.7 | 142 | 3/8-7/8 | 46.4x35.1x38.7 | 248 |
