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LG SIGNATURE WM9700HA vs LG SIGNATURE WM9998HA

Two of the clothes washers in our best clothes washers comparison, lined up spec by spec. Every figure comes from the manufacturer pages linked below, and the scores use the same published formula as the full ranking.

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#1 of 40 in Clothes Washers

LG SIGNATURE WM9700HA

9.4/10

Best for: Official IMEF 3.2, 5.8 cu ft volume, 108 kWh/year, official IWF 2.6

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#2 of 40 in Clothes Washers

LG SIGNATURE WM9998HA

9.4/10

Best for: Official IMEF 3.2, 5.8 cu ft volume, 108 kWh/year, official IWF 2.6

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Spec-by-spec comparison

Green marks the better published figure. "Not listed" means the manufacturer doesn't publish it.

SpecLG SIGNATURE WM9700HALG SIGNATURE WM9998HAWeight
Integrated Modified Energy Factor (IMEF)Official ENERGY STAR Integrated Modified Energy Factor. A higher IMEF means more washing work per unit of energy. Missing values take the category minimum. 3.2 3.2 28%
Certified volumeOfficial ENERGY STAR certified tub volume in cubic feet. A larger tub is not automatically the right washer for a tight laundry closet. Missing values take the category minimum. 5.8 cu ft 5.8 cu ft 24%
Annual energy useOfficial ENERGY STAR annual energy use in kilowatt-hours per year. Lower is better. Missing values take the category minimum (the highest energy use in the set). 108 kWh/year 108 kWh/year 24%
Integrated Water Factor (IWF)Official ENERGY STAR Integrated Water Factor. A lower IWF means less water per cubic foot of laundry. Missing values take the category minimum (the highest IWF in the set). 2.6 2.6 24%
Integrated Modified Energy Factor, IMEF (ENERGY STAR)3.23.2info
Certified volume (ENERGY STAR)5.8 cu ft5.8 cu ftinfo
Annual energy use (ENERGY STAR)108 kWh/year108 kWh/yearinfo
Integrated Water Factor, IWF (ENERGY STAR)2.62.6info
Annual water use (ENERGY STAR)4418 gal/year4426 gal/yearinfo
IMEF percent above the U.S. federal standard (computed)74%, computed as (official IMEF - official U.S. federal standard IMEF) / official U.S. federal standard IMEF74%, computed as (official IMEF - official U.S. federal standard IMEF) / official U.S. federal standard IMEFinfo
Annual energy use per cubic foot (computed)18.6 kWh/year per cubic foot, computed as official annual energy use ÷ official cubic foot18.6 kWh/year per cubic foot, computed as official annual energy use ÷ official cubic footinfo
U.S. federal standard IMEF (ENERGY STAR)1.841.84info
U.S. federal standard IWF (ENERGY STAR)4.74.7info
Load configuration (ENERGY STAR)Front LoadFront Loadinfo
Dimensions (ENERGY STAR)29.0 in W29.0 in Winfo
Additional washer features (ENERGY STAR)Not listedNot listedinfo
Connected (ENERGY STAR)NoNoinfo
Paired ENERGY STAR dryer available (ENERGY STAR)NoNoinfo
Meets ENERGY STAR Most Efficient criteriaYesYesinfo
Certified model numberWM9700H*AWM9998H*Ainfo
Official brand name on the ENERGY STAR recordLG SIGNATURELG SIGNATUREinfo
Related official records with the same certified ratingsSame official certified ratings also appear on LG SIGNATURE WM9900HA; LG SIGNATURE WM9901HA. We keep one product page for this rating set so color, finish or brand rebadges are not given separate nearly identical pages.Not listedinfo
CyclePick score9.4/109.4/10100%

Where each one comes out ahead

LG SIGNATURE WM9700HA

No scored spec where it is strictly ahead; its case rests on the strengths below.

What we like

  • Highest official IMEF in this comparison (3.2)
  • Largest official certified volume in this comparison (5.8 cu ft)
  • Lowest official Integrated Water Factor in this comparison (2.6)
  • Official record meets ENERGY STAR Most Efficient criteria

Watch out for

  • No additional scored gaps in the official record we used

LG SIGNATURE WM9998HA

No scored spec where it is strictly ahead; its case rests on the strengths below.

What we like

  • Highest official IMEF in this comparison (3.2)
  • Largest official certified volume in this comparison (5.8 cu ft)
  • Lowest official Integrated Water Factor in this comparison (2.6)
  • Official record meets ENERGY STAR Most Efficient criteria

Watch out for

  • No additional scored gaps in the official record we used

Verdict

On published specs these two score the same. Specs don't capture sound character or feel, so weigh the pros and cons above too.

  • Choose the LG SIGNATURE WM9700HA if this sounds like you: official IMEF 3.2, 5.8 cu ft volume, 108 kWh/year, official IWF 2.6.
  • Choose the LG SIGNATURE WM9998HA if this sounds like you: official IMEF 3.2, 5.8 cu ft volume, 108 kWh/year, official IWF 2.6.
LG SIGNATURE WM9700HA on AmazonLG SIGNATURE WM9998HA on Amazon
Spec sources

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