Model
Lg WM1455H*A
Rank #221 means 220 of the 388 washing machine models we track cost less to run each year; the 6th efficiency percentile means it uses less energy for its size than 6% of those models.
What does the Lg WM1455H*A cost to run per year?
The Lg WM1455H*A costs about $22 a year to run, a fairly typical figure for the class; it ranks #221 of 388. Size-adjusted, this model ranks near the bottom of its class on efficiency, ahead of just 6% of washing machine models we track. The IMEF figure of 2.07 on this model captures integrated modified energy factor, the main efficiency lever ENERGY STAR tracks for this class.
Immediately around it on the leaderboard, the Lg WM1399H*A at $22/yr runs a little cheaper and the Lg WM8100H*A at $22/yr runs a little more, a sense of how tightly models are packed at this point in the ranking. A washing machine typically stays in service for somewhere around 10 years; over that span, the Lg WM1455H*A's $22/yr adds up to roughly $220 in electricity alone, before purchase price or repairs.
By the numbers
The Lg WM1455H*A normalized against its whole class, so each figure means something.
What it costs you over time
Running cost is an every-year number, so it compounds. At $22/yr, here is what the Lg WM1455H*A adds up to before purchase price, water, or repairs enter the math.
Left running for a decade at today's US average rate, the Lg WM1455H*A costs about $220. That is roughly $20 more than the class median, which would run closer to $200 over the same ten years.
How the Lg WM1455H*A compares
The washing machine class we track runs from $7 to $58 a year. At $22/yr, it runs about $2 a year above the class median of $20, and it is about $15 a year more than the cheapest washing machine to run at $7.
What drives its running cost
At 2.4 cu ft, the Lg WM1455H*A is a small washing machine for its class, which spans 1.9 to 6 cu ft with a median of 4.5 cu ft, at the small end of the class, capacity itself is doing a lot of the work to keep that figure down, separate from how efficient the unit actually is. The IMEF of 2.07 on this model, below the class median of 2.76, measures integrated modified energy factor; it is the number to compare directly against another model's IMEF if capacity is similar.
- Spin and wash efficiency (IMEF). IMEF is this class's core efficiency yardstick; two washers with the same drum size can carry meaningfully different IMEF figures and running costs.
- Drum volume. A larger-capacity washer can wash more per load, which can lower cost per pound of laundry, but it also draws more water and energy per cycle if you are not filling it.
- Water heating. Most washers rely on your home's hot water supply, but internal-heater sanitize or hot-wash cycles use meaningfully more electricity than a cold or warm wash.
Common questions
Is the Lg WM1455H*A cheap to run?
Roughly, yes. Its $22/yr figure is close to the class median, ranking #221 of 388, neither a bargain nor a splurge on running cost.
How much does the Lg WM1455H*A cost per month?
About $1.86 a month, which is the $22 annual estimate spread across twelve months at the US average rate of $0.1856/kWh. Your own bill scales with your local electricity rate and how heavily you use it.
How is this running-cost figure calculated?
The formula is annual kWh times price per kWh: 120 kWh from ENERGY STAR times the US average of $0.1856/kWh comes to about $22 a year. It covers electricity only, not the purchase price, water, or installation.
How efficient is the Lg WM1455H*A for its size?
6th percentile once size is factored in, a fairly typical result for the class.
Cheaper to run in the same class
| Rank | Model | Cost/yr |
|---|---|---|
| 220 | Lg WM1399H*A2.3 cu ft | $22 |
| 219 | Lg WM1388H*2.3 cu ft | $22 |
| 218 | Lg WM1385H*2.3 cu ft | $22 |
| 217 | Miele WXR9602.3 cu ft | $22 |
| 216 | Miele WXR8602.3 cu ft | $22 |
Source
ES_1118034_WM1455H*A_01312020010131_80031163View certified washing machine listingsENERGY STAR data as of July 2026Lg and WM1455H*A are used here for identification only and are not endorsements. Figures are computed by WattWise Labs from public ENERGY STAR data, not measured in our own lab.