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LG LS23NCP20*

EnergyDough Pick

23.4 cu ft side-by-side. Uses 10% less energy than the federal limit for its class. #1 of 56 side-by-side fridges 22–26 cu ft, by yearly cost.

Source: EPA ENERGY STAR Certified Residential Refrigerators dataset, data.energystar.gov. Refreshed Oct 24, 2026.

$90 at 18.16¢/kWhper year
$899 at 18.16¢/kWhover 10 years
$263 at 18.16¢/kWh10-yr savings vs. similar size

Recall check

CPSC recalls that mention LG refrigerators, fridges and freezers (checked Oct 24, 2026). Check whether your model number is listed in the notice:

• CPSC, LG Electronics and Sears, Roebuck and Co. Announce Recall to Repair Refrigerators (2005-06-29)

Where it's sold

LG fridges: Local dealers (LG Find a Dealer) · The Home Depot

Confirmed from LG's own where-to-buy or retailer pages and retailer brand pages. Checked Oct 24, 2026. Not every seller stocks every model, so check the model number with the seller.

Rebates

Rebates change by ZIP code and store. Check rebates near you.

Your electric rate18.16¢per kWh. Find it on your bill. Default is the U.S. average.

Yearly cost, side by side

This model$90 at 18.16¢/kWh
Typical similar-size model (42 side-by-side models)$116 at 18.16¢/kWh
Federal max for this class$100 at 18.16¢/kWh
Thirstiest certified side-by-side fridges$146 at 18.16¢/kWh
Good to know
Fridges run all day, so the EPA test figure is close to real use. A warm kitchen, frequent door opening and an ice maker can push it higher.

Also sold as

The EPA record lists no additional model numbers.

An asterisk in the model number stands for color or trim codes, so those finishes share these figures.

UPC: 195174157985

Certification history

ENERGY STAR certified 2026-06-11. On the market since 2026-06-12. EPA record 4653194.

Energy and specs

TypeSide-by-Side
Product class4 - Refrigerator-freezer - automatic defrost with side-mounted freezer without through-the-door ice
Total capacity23.4 cu ft
Adjusted volume29.9 cu ft
Height × width70.5 × 36 in
Counter depthYes
CompactNo
Built-inNo
Ice makerNo
Through-door dispenserNo
DefrostAutomatic
Connected (smart)No
RefrigerantR-600a (GWP:3 | Lower GWP)
Annual energy use495 kWh
Federal max for its class552 kWh
MarketsUnited States, Canada

Source: EPA ENERGY STAR Certified Residential Refrigerators, record 4653194. Most Efficient reflects the EPA field "meets most efficient criteria".

Similar models from other brands

Rule: certified side-by-side fridges within 2 cu ft of this one (21.4 to 25.4 cu ft), other brands only, lowest energy first.

BrandModelSizeEnergyCost
SamsungRS23CB7600**22.6 cu ft600 kWh$109 at 18.16¢/kWh/yr
WhirlpoolWRS331SDH*0*21.4 cu ft602 kWh$109 at 18.16¢/kWh/yr
WhirlpoolWRS975SID***24.8 cu ft610 kWh$111 at 18.16¢/kWh/yr
KitchenAidKRSF505*****24.8 cu ft610 kWh$111 at 18.16¢/kWh/yr
FrigidaireFFHX2325T*22.1 cu ft613 kWh$111 at 18.16¢/kWh/yr
FrigidaireLGHK2336T*22.0 cu ft613 kWh$111 at 18.16¢/kWh/yr
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