
























Top Brand
Why this brand stands out for our shoppers
Iconic & Trusted
One of America's most recognizable brands with extremely good service support coast to coast.
Top Rated Favorite
Consumer Reports standouts across laundry and refrigeration that shoppers consistently love.
Low Returns
Fan-favorite reliability keeps return rates low across LG's broad appliance lineup.
Features:
Why Buy LG DLE3420W 7.4 cu. ft. Ultra Large Capacity Smart Front Load Electric Dryer
Frequently Asked Questions
Q: What is the capacity of the DLE3420W?
A: It has a 7.4 cu. ft. ultra large capacity drum, giving you room to dry larger loads and bulky items like comforters and towels.
Q: What drying technology does it use?
A: This dryer features AI Sensor Dry™, which intelligently adjusts time and temperature based on moisture levels for optimal results without over‑drying.
Q: What are FlowSense® indicators?
A: FlowSense® Duct Clogging and Lint Filter Indicators alert you when the duct or lint filter needs cleaning, helping keep the dryer efficient and safe.
Q: Is it quiet?
A: Yes, it is designed for quiet operation, so you can run cycles without interrupting naps, TV, or conversation.
Q: Does it have smart features?
A: Yes, built-in Wi‑Fi connectivity works with the ThinQ® app, letting you start, monitor, receive alerts, and download new features via ThinQ UP™.
Q: Is it energy efficient?
A: Yes, the dryer is ENERGY STAR® certified, meeting high efficiency standards that can save on energy and utility costs.
Q: Can it handle different types of loads?
A: Yes, it offers multiple drying cycles and options like Wrinkle Care and Remote Start, allowing you to tailor drying to fabrics and needs.
Q: Are there maintenance alerts?
A: Yes, in addition to lint filter reminders, smart alerts through ThinQ Care™ help you stay on top of upkeep and troubleshoot minor issues.
Pros and Cons of LG DLE3420W 7.4 cu. ft. Ultra Large Capacity Smart Front Load Electric Dryer
Pros
Cons
Conclusion
The LG DLE3420W is a high‑capacity, smart electric dryer that blends advanced drying technology, energy efficiency, and app connectivity for a modern laundry experience. Its AI Sensor Dry™ and FlowSense® indicators deliver smart, tailored performance, while the large drum and quiet operation make it ideal for busy households. Although it lacks a steam refresh feature and requires app use for some smart functions, its overall combination of convenience, efficiency, and connectivity makes it a strong choice for anyone seeking reliable, intelligent drying performance.
| Width | |
| Exterior Width | 27" |
| Width | 27" |
| Depth | |
| Depth | 30 1/8" |
| Height | |
| Height | 39" |
Features:
Why Buy LG DLE3420W 7.4 cu. ft. Ultra Large Capacity Smart Front Load Electric Dryer
Frequently Asked Questions
Q: What is the capacity of the DLE3420W?
A: It has a 7.4 cu. ft. ultra large capacity drum, giving you room to dry larger loads and bulky items like comforters and towels.
Q: What drying technology does it use?
A: This dryer features AI Sensor Dry™, which intelligently adjusts time and temperature based on moisture levels for optimal results without over‑drying.
Q: What are FlowSense® indicators?
A: FlowSense® Duct Clogging and Lint Filter Indicators alert you when the duct or lint filter needs cleaning, helping keep the dryer efficient and safe.
Q: Is it quiet?
A: Yes, it is designed for quiet operation, so you can run cycles without interrupting naps, TV, or conversation.
Q: Does it have smart features?
A: Yes, built-in Wi‑Fi connectivity works with the ThinQ® app, letting you start, monitor, receive alerts, and download new features via ThinQ UP™.
Q: Is it energy efficient?
A: Yes, the dryer is ENERGY STAR® certified, meeting high efficiency standards that can save on energy and utility costs.
Q: Can it handle different types of loads?
A: Yes, it offers multiple drying cycles and options like Wrinkle Care and Remote Start, allowing you to tailor drying to fabrics and needs.
Q: Are there maintenance alerts?
A: Yes, in addition to lint filter reminders, smart alerts through ThinQ Care™ help you stay on top of upkeep and troubleshoot minor issues.
Pros and Cons of LG DLE3420W 7.4 cu. ft. Ultra Large Capacity Smart Front Load Electric Dryer
Pros
Cons
Conclusion
The LG DLE3420W is a high‑capacity, smart electric dryer that blends advanced drying technology, energy efficiency, and app connectivity for a modern laundry experience. Its AI Sensor Dry™ and FlowSense® indicators deliver smart, tailored performance, while the large drum and quiet operation make it ideal for busy households. Although it lacks a steam refresh feature and requires app use for some smart functions, its overall combination of convenience, efficiency, and connectivity makes it a strong choice for anyone seeking reliable, intelligent drying performance.
| Width | |
| Exterior Width | 27" |
| Width | 27" |
| Depth | |
| Depth | 30 1/8" |
| Height | |
| Height | 39" |

ENJOY A 2 YEAR WARRANTY
on select LG appliances via the LG ThinQ® app at no cost (up to $185 value)*
Offer valid 1/1/26 – 4/8/26. Terms apply
1 Year Parts and Labor, 3 Years Parts on Drum
Returns accepted within 30 days of delivery. Item must be in original packaging and unused condition.
Split your purchase into easy payments over time—interest-free or with simple interest depending on your plan and eligibility.
We offer free in-home delivery to most serviceable zip codes for orders over $799.
Free Standard Installation
Free 1 Year Extended Warranty
Bonus Rewards
Manufacturer rebates, instant savings, and product discounts — all in one place.
Choose a 3- or 5-year protection plan—get 50% back if you don't use it.
If you find a lower price on an identical item from a local competitor or select online retailers, we will match it.