Appliances / Refrigerators / Samsung

Top Freezer

Samsung RT18DG6700 series: $81 a year to run

This refrigerator uses 446 kWh of electricity a year. At the U.S. average price that is $81 a year and $974 over a typical 12-year life. It ranks #514 of 604 top freezer models for running cost.

  1. Price. Check what it costs at the store (links below).
  2. Plus running cost. Add $974 of electricity over 12 years. That is the part the price tag hides.
  3. Compare. Pick your state to see your real number, then check the cheaper-to-run models of the same size.
Per year (U.S. avg)
$81
Over 12 years
$974
Saves vs the federal minimum
$7/yr
Size
17.5 cu ft

Where to buy

Compare the price, then add the running cost below to get the true cost.

Cost to run where you live

Electricity per year
$81
Electricity over 12 years
$974
Add the price you pay
+ $974

446 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 $247
Hisense BCD-418WP4NA1/HC1(H)15 cu ft$61/yrsaves $236
Hisense RT15A2CCE15 cu ft$61/yrsaves $236
Samsung RT18DG6500 series (no ice maker)17.5 cu ft$62/yrsaves $225

Specs

BrandSamsung
ModelRT18DG6700**
TypeTop Freezer
Energy use446 kWh / year
Federal maximum for this type487 kWh / year
Width28.8 in
FeaturesIce maker

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.

Want the cheapest picks every week?

Join the free Leak Club. One short email with the lowest-cost picks we found.

Join the Leak Club