DLG3421*
LG · Gas Standard Vented
7.4cu ft
3.49lb/kWh
685kWh/yr
Gas
LG DLG3421*: CEF 3.49 lb/kWh, around the middle of the range for clothes dryers (category median 3.93 lb/kWh).
CEF: worse than 80% of the 478 comparable models within 10% of this capacity. Their median is 3.93 lb/kWh.
Where this model sits
The LG DLG3421* is a 7.4 cu ft gas standard vented. At 3.49 lb/kWh it ranks around the middle of the 630 certified clothes dryers models. Among similar-sized clothes dryers (within 10% of its size), it is less efficient than the peer median of 3.93 lb/kWh. Its footprint is 27 × 30 × 38.7 in. In this size range, comparable Samsung models average 3.93 lb/kWh and Whirlpool models average 3.93 lb/kWh.
Specifications
| Capacity | |
|---|---|
| Drum Capacity | 7.4cu ft |
| Dimensions | |
| Width | 27in |
| Height | 38.7in |
| Depth | 30in |
| Energy | |
| Combined Energy Factor | 3.49lb/kWh |
| Estimated Annual Energy | 685kWh/yr |
| Test Cycle Time | 70min |
| Test Cycle | Normal_Normal Dry |
| Most Efficient | No |
All 21 specifications
| Configuration | |
|---|---|
| Product Type | Gas Standard Vented |
| Type | Gas |
| Vented or Ventless | Vented |
| Connected | No |
| Paired Washer Available | No |
| Additional Features | Time remaining display, Wrinkle prevention option |
| Identifiers | |
| Model Number | DLG3421* |
| UPC | 048231349918 |
| ENERGY STAR ID | ES_1118034_DLG3421*_09152025164527_80269413 |
| Date Qualified | 2025-09-14 |
| Available From | 2025-09-11 |
| Markets | United States, Canada |
Dimensions are as LG reported them to ENERGY STAR. They can differ from the manufacturer's own sheet — confirm against the model's spec sheet before you build or buy. How we checked.
Fit checker
Documentation
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