Appliances / Refrigerators / LG SIGNATURE
LG SIGNATURE UM22WZH98 series
21.7 cu ft · Bottom Freezer refrigerator
Check the price at the store, then add $1,537 of electricity to get the true cost. We may earn a commission if you buy through these links.
- Price. Check what it costs at the store.
- Plus running cost. Add $1,537 of electricity over 12 years. That is the part the price tag hides.
- Compare. Pick your state below, then check the cheaper-to-run models of the same size.
About the LG SIGNATURE UM22WZH98 series
The LG SIGNATURE UM22WZH98 series is a 21.7 cu ft bottom freezer refrigerator certified by ENERGY STAR. Its official test figure is 704 kWh of electricity a year, which at the U.S. average price of 18.19¢ per kWh comes to $128 a year, or $1,537 over a typical 12-year life.
That is 4% less energy than the federal maximum for this type of fridge (736 kWh a year), a saving of about $6 a year compared with a model that only just meets the standard.
Among 1,422 bottom freezer models it ranks #1251 for running cost. The cheapest model of this type would save $1,100 in electricity over 12 years, though it may differ in size and features.
If you want the same type and a similar size for less to run, the Summit FFBF151W uses 429 kWh a year and would save about $600 over 12 years.
Listed features: ice maker, door dispenser, counter depth.
Cost to run where you live
704 kWh a year (ENERGY STAR test figure) × 18.19¢ per kWh, the average residential price in the U.S. for Jan–Aug 2026 (EIA). Your bill depends on your utility and how you use it.
Cheaper to run, same type and size
Or see every medium (18 to 23 cu ft) model ranked.
| Summit FFBF151W | 19.1 cu ft | $78/yr | saves $600 |
| Summit FFBF152PL | 19.1 cu ft | $78/yr | saves $600 |
| Summit FFBF154SS | 19.1 cu ft | $78/yr | saves $600 |
| Summit LBF16B | 19.1 cu ft | $78/yr | saves $600 |
Specs
| Brand | LG SIGNATURE |
| Model | UM22WZH98* |
| Type | Bottom Freezer |
| Energy use | 704 kWh / year |
| Federal maximum for this type | 736 kWh / year |
| Size | 21.7 cu ft |
| Width | 35.8 in |
| Features | Ice maker, Door dispenser, Counter depth |
| Height | 70.3 in |
| Defrost | Automatic |
| Built-in | No |
| Compact | No |
Specs and energy use from the ENERGY STAR certified products list (U.S. EPA). An asterisk in a model number stands for colour or finish codes. HouseholdLeak is not affiliated with ENERGY STAR or the EPA.
Questions people ask
How much does the LG SIGNATURE UM22WZH98 series cost to run?
About $128 a year at the U.S. average electricity price (18.19¢/kWh), based on its ENERGY STAR rating of 704 kWh a year. In a state with expensive power it can be much more; pick your state on this page to see your number.
How much will the LG SIGNATURE UM22WZH98 series cost in electricity over its life?
About $1,537 over 12 years, a typical life for a refrigerator. Add that to the price you pay to get the true cost to own.
Is the LG SIGNATURE UM22WZH98 series energy efficient?
Yes. It is ENERGY STAR certified and uses 4% less energy than the federal maximum for its type.
Is there a cheaper fridge to run of the same type and size?
Yes. The Summit FFBF151W uses 429 kWh a year, about $600 less in electricity over 12 years.
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