Model
Frigidaire FFBD2420UW
Rank #379 means 378 of the 709 dishwasher models we track cost less to run each year; the 7th efficiency percentile means it uses less energy for its size than 7% of those models.
What does the Frigidaire FFBD2420UW cost to run per year?
The Frigidaire FFBD2420UW costs about $45 a year to run, a fairly typical figure for the class; it ranks #379 of 709. It uses 21.8% less energy than the U.S. federal standard model in its class, which would cost about $57/yr to run, a saving of roughly $12 a year. Size-adjusted, this model ranks near the bottom of its class on efficiency, ahead of just 7% of dishwasher models we track. This class has no published efficiency-factor figure beyond annual kWh itself, so at 8 place settings (the class spans 2 to 18), size is the clearest lever we can point to for this model's running cost.
Immediately around it on the leaderboard, the Frigidaire FFBD2420US at $45/yr runs a little cheaper and the Frigidaire FFCD2413**** at $45/yr runs a little more, a sense of how tightly models are packed at this point in the ranking. A dishwasher typically stays in service for somewhere around 9 years; over that span, the Frigidaire FFBD2420UW's $45/yr adds up to roughly $405 in electricity alone, before purchase price or repairs.
Also sold as: Black+Decker BPD8B.
By the numbers
The Frigidaire FFBD2420UW normalized against its whole class, so each figure means something.
What it costs you over time
Running cost is an every-year number, so it compounds. At $45/yr, here is what the Frigidaire FFBD2420UW adds up to before purchase price, water, or repairs enter the math.
Left running for a decade at today's US average rate, the Frigidaire FFBD2420UW costs about $450. That is roughly $120 less than a standard model in its class, which would run closer to $570 over the same ten years.
How the Frigidaire FFBD2420UW compares
The dishwasher class we track runs from $15 to $45 a year. At $45/yr, it runs about $1 a year above the class median of $44, and it is about $30 a year more than the cheapest dishwasher to run at $15. Against the US federal standard model for its class at about $57/yr, the Frigidaire FFBD2420UW uses 21.8% less energy.
What drives its running cost
At 8 place settings, the Frigidaire FFBD2420UW is a small dishwasher for its class, which spans 2 to 18 place settings with a median of 14 place settings, less capacity to service is usually the first reason a running-cost figure lands on the low side, before efficiency even enters the picture.
- Place-setting capacity. Place-setting capacity is the main driver of how much water a cycle has to heat, and heating that water is most of a dishwasher's electricity use.
- Water heating. Most dishwashers have a booster heater that raises incoming water to sanitizing temperature; this heating step, not the pump or motor, accounts for most of a cycle's electricity use.
- Cycle length and drying method. Heavy or sanitize cycles run longer and hotter than a normal or eco cycle, and heated-dry options cost more to run than air-dry or condensation drying.
Common questions
Is the Frigidaire FFBD2420UW cheap to run?
Roughly, yes. Its $45/yr figure is close to the class median, ranking #379 of 709, neither a bargain nor a splurge on running cost.
How much does the Frigidaire FFBD2420UW cost per month?
About $3.71 a month, which is the $45 annual estimate spread across twelve months at the US average rate of $0.1856/kWh. Your own bill scales with your local electricity rate and how heavily you use it.
How is this running-cost figure calculated?
The formula is annual kWh times price per kWh: 240 kWh from ENERGY STAR times the US average of $0.1856/kWh comes to about $45 a year. It covers electricity only, not the purchase price, water, or installation.
How efficient is the Frigidaire FFBD2420UW for its size?
7th percentile once size is factored in, a fairly typical result for the class.
Cheaper to run in the same class
Source
ES_1021080_FFBD2420UW_041120230253683_5808583View certified dishwasher listingsENERGY STAR data as of July 2026Frigidaire and FFBD2420UW are used here for identification only and are not endorsements. Figures are computed by WattWise Labs from public ENERGY STAR data, not measured in our own lab.