Appliances / Refrigerators / LG

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Top FreezerENERGY STAR certified

LG LT18S1200 series

17.5 cu ft · Top Freezer refrigerator

Electricity, 12 years
$960
Per year
$80

Check the price at the store, then add $960 of electricity to get the true cost. We may earn a commission if you buy through these links; as an Amazon Associate we earn from qualifying purchases.

  1. Price. Check what it costs at the store.
  2. Plus running cost. Add $960 of electricity over 12 years. That is the part the price tag hides.
  3. Compare. Pick your state below, then check the cheaper-to-run models of the same size.
Per year (U.S. avg)
$80
Over 12 years
$960
Saves vs the federal maximum
$9/yr
Rank for running cost
#500 of 604

About the LG LT18S1200 series

The LG LT18S1200 series is a 17.5 cu ft top freezer refrigerator certified by ENERGY STAR. Its official test figure is 440 kWh of electricity a year, which at the U.S. average price of 18.19¢ per kWh comes to $80 a year, or $960 over a typical 12-year life.

That is 10% less energy than the federal maximum for this type of fridge (487 kWh a year), a saving of about $9 a year compared with a model that only just meets the standard.

Among 604 top freezer models it ranks #500 for running cost. The cheapest model of this type would save $648 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 Samsung RT18DG6300 series uses 333 kWh a year and would save about $234 over 12 years.

Listed features: ice maker.

Cost to run where you live

Electricity per year
$80
Electricity over 12 years
$960
Add the price you pay
+ $960

440 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 small (10 to 18 cu ft) model ranked.

Samsung RT18DG6300 series17.5 cu ft$61/yrsaves $234
Hisense BCD-418WP4NA1/HC1(H)15 cu ft$61/yrsaves $223
Hisense RT15A2CCE15 cu ft$61/yrsaves $223
Samsung RT18DG6500 series (no ice maker)17.5 cu ft$62/yrsaves $212

Specs

BrandLG
ModelLT18S1200*
TypeTop Freezer
Energy use440 kWh / year
Federal maximum for this type487 kWh / year
Size17.5 cu ft
Width27.5 in
FeaturesIce maker
Height65 in
DefrostAutomatic
Built-inNo
CompactNo

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 LT18S1200 series cost to run?

About $80 a year at the U.S. average electricity price (18.19¢/kWh), based on its ENERGY STAR rating of 440 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 LT18S1200 series cost in electricity over its life?

About $960 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 LT18S1200 series energy efficient?

Yes. It is ENERGY STAR certified and uses 10% less energy than the federal maximum for its type.

Is there a cheaper fridge to run of the same type and size?

Yes. The Samsung RT18DG6300 series uses 333 kWh a year, about $234 less in electricity over 12 years.

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