LG WM3420C*
Front Load · 4.50
Summary
The LG WM3420C* is a front load with 4.50 capacity that uses 80 kWh per year, costing approximately $12.80annually to run at the US average electricity rate. Over 10 years, that's $128.00 in energy costs alone. It has earned ENERGY STAR's "Most Efficient" designation — the top tier of certified products.
Ranked #33 out of 376 clothes washers by annual running cost, it costs $11.20 less per year than the category average of $24. At 27" wide, it is a standard size for its category.
How This Compares to Other Clothes Washers
Ranked #33 out of 376 in the clothes washers category (by lowest annual cost).
Energy Details
Running Cost Breakdown
Estimated electricity costs at different time horizons (based on $0.16/kWh US average rate):
Actual costs vary by location. States like Hawaii ($0.43/kWh) pay significantly more while Idaho ($0.11/kWh) pays less. Use our energy calculator to estimate costs at your local rate.
What This Means for You
The LG WM3420C* is cheaper to run than the average clothes washer in its category. At $12.80/year, you'll save approximately $112.00 over 10 years compared to a typical model in this category.
Its efficiency score is moderate — solid but not top-tier. It balances upfront cost with reasonable energy savings.
Energy costs are just one factor in choosing a clothes washer. Consider the purchase price, features, reliability, and how the total cost of ownership (purchase price + energy costs over its expected lifespan) compares to alternatives.