Appliances / Refrigerators / VIKING
VIKING FDSB5423 series
25.4 cu ft · Side-by-Side refrigerator
Check the price at the store, then add $1,541 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 $1,541 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 VIKING FDSB5423 series
The VIKING FDSB5423 series is a 25.4 cu ft side-by-side refrigerator certified by ENERGY STAR. Its official test figure is 706 kWh of electricity a year, which at the U.S. average price of 18.19¢ per kWh comes to $128 a year, or $1,541 over a typical 12-year life.
That is 9% less energy than the federal maximum for this type of fridge (775 kWh a year), a saving of about $13 a year compared with a model that only just meets the standard.
Among 122 side-by-side models it ranks #93 for running cost. The cheapest model of this type would save $624 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 LG LS23NCP20 series uses 495 kWh a year and would save about $461 over 12 years.
Listed features: ice maker, counter depth.
Cost to run where you live
706 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 large (23 to 27 cu ft) model ranked.
| LG LS23NCP20 series | 23.4 cu ft | $90/yr | saves $461 |
| LG LS23C4000 series | 23.1 cu ft | $94/yr | saves $410 |
| Frigidaire FRSN2610A series | 26.4 cu ft | $95/yr | saves $397 |
| Samsung RS27T5202 series | 27.4 cu ft | $99/yr | saves $349 |
Specs
| Brand | VIKING |
| Model | FDSB5423***** |
| Type | Side-by-Side |
| Energy use | 706 kWh / year |
| Federal maximum for this type | 775 kWh / year |
| Size | 25.4 cu ft |
| Width | 42 in |
| Features | Ice maker, Counter depth |
| Height | 84 in |
| Defrost | Automatic |
| Built-in | Yes |
| 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 VIKING FDSB5423 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 706 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 VIKING FDSB5423 series cost in electricity over its life?
About $1,541 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 VIKING FDSB5423 series energy efficient?
Yes. It is ENERGY STAR certified and uses 9% less energy than the federal maximum for its type.
Is there a cheaper fridge to run of the same type and size?
Yes. The LG LS23NCP20 series uses 495 kWh a year, about $461 less in electricity over 12 years.
Want the cheapest picks every week?
Join the free Leak Club. One short email with the lowest-cost picks we found.