Appliance Energy Cost Index Model-level energy use and running cost, from ENERGY STAR certified product data

WM9998H*A Clothes Dryers · LG SIGNATURE

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Certification: ENERGY STAR Most Efficient

Est. annual energy cost
$53.55/yr
Cheaper than all but 15% of sampled models in this category
Annual energy use: 315 kWh

Certified specifications (as reported)

SpecValue
product typeElectric Standard Ventless
typeElectric
special typeCombination All-in-One Washer/Dryer
heat pump technologyHeat Pump
drum capacity cu ft5.8
width inches29
combined energy factor cef7.6
estimated annual energy use kwh yr315
energy test cycle informationDry Only, Normal
additional dryer featuresNone
refrigerant typeR-134a
refrigerant with gwpR-134a (GWP:1430)
connectedNo
calculated combined energy factor max dryness setting lbs kwh5.92
date available on market2026-01-12
date qualified2026-01-12
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Simple estimate, 30 days per month (assuming $0.17/kWh)