Name: Lg Signature UM23BZH98*
Brand: Lg Signature

Lg Signature UM23BZH98*

22.3 cu ft bottom freezer. Uses 5% less energy than the federal limit for its class. #168 of 300 bottom-freezer fridges 22–26 cu ft, by yearly cost.

$114 at 18.16¢/kWhper year

$1,140 at 18.16¢/kWhover 10 years

$69 at 18.16¢/kWh10-yr extra vs. similar size

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

Yearly cost, side by side

This model$114 at 18.16¢/kWh

Typical similar-size model (352 bottom freezer models)$107 at 18.16¢/kWh

Federal max for this class$119 at 18.16¢/kWh

Thirstiest certified bottom-freezer fridges$145 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: 048231350471; 048231350488

Certification history

ENERGY STAR certified 2026-07-29. On the market since 2026-07-25. EPA record 4679794.

Energy and specs

Type	Bottom Freezer
Product class	5I - Refrigerator-freezers - automatic defrost with bottom-mounted freezer with an automatic icemaker without through-the-door ice service
Total capacity	22.3 cu ft
Adjusted volume	28.8 cu ft
Height × width	70.4 × 35.9 in
Counter depth	Yes
Compact	No
Built-in	No
Ice maker	Yes
Through-door dispenser	No
Defrost	Automatic
Connected (smart)	Yes
Refrigerant	R-600a (GWP:3 \| Lower GWP)
Annual energy use	628 kWh
Federal max for its class	656 kWh
Markets	United States, Canada

Source: EPA ENERGY STAR Certified Residential Refrigerators, record 4679794. Most Efficient reflects the EPA field "meets most efficient criteria".

Similar models from other brands

Rule: certified bottom-freezer fridges within 2 cu ft of this one (20.3 to 24.3 cu ft), other brands only, lowest energy first.

Brand	Model	Size	Energy	Cost
TCL	TRF20S5AL-S1	20.3 cu ft	461 kWh	$84 at 18.16¢/kWh/yr
Hamilton Beach	HBF2067	20.3 cu ft	461 kWh	$84 at 18.16¢/kWh/yr
Hamilton Beach	HBF2067/HZ7602	20.3 cu ft	461 kWh	$84 at 18.16¢/kWh/yr
Kenmore	KKFDR36x20.3********	20.3 cu ft	461 kWh	$84 at 18.16¢/kWh/yr
Kenmore	KKFDR36x20.3-SS	20.3 cu ft	461 kWh	$84 at 18.16¢/kWh/yr
Miele	KFFD 6867 obsw/matt	20.7 cu ft	488 kWh	$89 at 18.16¢/kWh/yr