ApplianceCostFinder

LG WM3900H*A: running cost

Cheaper than most models in its category to run
$20/year at 18.8¢/kWh, the 51-state average

The LG WM3900H*A is certified by ENERGY STAR at 105 kWh a year, cheaper than most models in its category to run among washing machines currently certified.

$0.05per day
$1.64per month
105kWh per year, certified
$197over a 10-yr lifespan

The $20 figure above uses the simple average of all 51 published state rates. Pick your state for the real number.

LG WM3900H*A against the category

That's 14.6% below the washing machine category average of 123 kWh/yr, and ranks 145 of 398 certified washing machines for annual running cost, 1 being cheapest. The category average comes from every washing machine ENERGY STAR currently certifies (398 models), not an outside benchmark, about $3/year below that average at the national rate. See the methodology page.

What sits beside it in the ranking

LG WM4000H*A ($20/yr, 105 kWh/yr) costs a little more to run than the LG WM3900H*A. LG WM3850H*A ($20/yr, 105 kWh/yr) costs a little less.

Same brand, different models

LG makes 93 ENERGY STAR certified washing machines; this one ranks 36 of 93 for running cost, between the brand's cheapest, the WM3420C* at $15/yr, and its priciest, the WT7485C* at $41/yr.

Cost over its typical lifespan

10 years is NAHB's typical service life for this category; at $20/year, the LG WM3900H*A adds up to about $197 in electricity over that span.

Is it worth replacing?

The LG WM3900H*A is already efficient for its category at $20/year. If you're shopping and comparing options, this is roughly what a well-chosen new washing machine costs to run.

See what else is certified in this category before you decide.

Protecting what you have

At $20/year just to run, a washing machine is worth protecting against an unplanned repair bill on top of that.

Sourcing

Nothing here is estimated from a nameplate wattage; the 105 kWh/yr is ENERGY STAR's own certified figure for this model. The full Washing Machine category page shows all 398 washing machines ranked by cost; the state-rate guide covers the half of this number that isn't the appliance.