Appliances / Washing machines / LG SIGNATURE
LG SIGNATURE WM9998H*A family
5.8 cu ft · Front Load washing machine
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- Price. Check what it costs at the store.
- Plus running cost. Add $216 of electricity over 11 years. That is the part the price tag hides.
- Compare. Pick your state below, then check the cheaper-to-run models of the same size.
About the LG SIGNATURE WM9998H*A family
The LG SIGNATURE WM9998H*A family is a 5.8 cu ft front load washing machine certified by ENERGY STAR. Its official test figure is 108 kWh of electricity a year, which at the U.S. average price of 18.19¢ per kWh comes to $20 a year, or $216 over a typical 11-year life.
That is 43% less energy than the federal maximum for this type of washer (188 kWh a year), a saving of about $15 a year compared with a model that only just meets the standard.
Among 243 front load models it ranks #164 for running cost. The cheapest model of this type would save $138 in electricity over 11 years, though it may differ in size and features.
If you want the same type and a similar size for less to run, the Samsung WF51CG80**A* family uses 93 kWh a year and would save about $30 over 11 years.
Cost to run where you live
108 kWh a year (ENERGY STAR test figure) × 18.19¢ per kWh, the average residential price in the U.S. for Jan–Aug 2026 (EIA). Your bill depends on your utility and how you use it.
Cheaper to run, same type and size
Or see every extra large (5 cu ft and up) model ranked.
| Samsung WF51CG80**A* family | 5.1 cu ft | $17/yr | saves $30 |
| LG WM3470C series | 5 cu ft | $17/yr | saves $26 |
| LG SWWE50*3 family | 5 cu ft | $18/yr | saves $18 |
| LG SWWE50*4 family | 5 cu ft | $18/yr | saves $18 |
Specs
| Brand | LG SIGNATURE |
| Model | WM9998H*A |
| Type | Front Load |
| Energy use | 108 kWh / year |
| Federal maximum for this type | 188 kWh / year |
| Water use | 4,426 gallons / year |
| Size | 5.8 cu ft |
| Width | 29 in |
| Load type | Front Load |
| Water efficiency (IWF) | 2.6 |
| Energy efficiency (IMEF) | 3.2 |
Specs and energy use from the ENERGY STAR certified products list (U.S. EPA). An asterisk in a model number stands for colour or finish codes. HouseholdLeak is not affiliated with ENERGY STAR or the EPA.
Questions people ask
How much does the LG SIGNATURE WM9998H*A family cost to run?
About $20 a year at the U.S. average electricity price (18.19¢/kWh), based on its ENERGY STAR rating of 108 kWh a year. In a state with expensive power it can be much more; pick your state on this page to see your number.
How much will the LG SIGNATURE WM9998H*A family cost in electricity over its life?
About $216 over 11 years, a typical life for a washing machine. Add that to the price you pay to get the true cost to own.
Is the LG SIGNATURE WM9998H*A family energy efficient?
Yes. It is ENERGY STAR certified and uses 43% less energy than the federal maximum for its type.
Is there a cheaper washer to run of the same type and size?
Yes. The Samsung WF51CG80**A* family uses 93 kWh a year, about $30 less in electricity over 11 years.
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