What the Conserv FR430B costs to run
At 260 kWh/yr, the Conserv FR430B's ENERGY STAR certification puts it one of the cheaper models in its category to run against every other certified freezer.
The $49 figure above uses the simple average of all 51 published state rates. Pick your state for the real number.
Conserv FR430B against the category
That's 35.2% below the freezer category average of 401 kWh/yr, and ranks 104 of 658 certified freezers for annual running cost, 1 being cheapest. The category average comes from every freezer ENERGY STAR currently certifies (658 models), not an outside benchmark, about $27/year below that average at the national rate. See the methodology page.
What sits beside it in the ranking
Conserv FR430S ($49/yr, 260 kWh/yr) costs a little more to run than the Conserv FR430B. Kenmore 111. 22062910 ($48/yr, 256 kWh/yr) costs a little less.
Comparing Conserv's own models
Conserv makes 21 ENERGY STAR certified freezers; this one ranks 4 of 21 for running cost, between the brand's cheapest, the FR300BG at $46/yr, and its priciest, the FR2000WREV at $90/yr.
Lifespan
NAHB's Study of Life Expectancy of Home Components does not publish a figure for freezers, so no lifetime cost is shown here rather than a guessed one. The annual and monthly figures above stand on their own.
Shopping for a new one
The Conserv FR430B is already efficient for its category at $49/year. If you're shopping and comparing options, this is roughly what a well-chosen new freezer costs to run.
See what else is certified in this category before you decide.
Protecting what you have
A freezer like the Conserv FR430B is a real household expense whether or not it needs replacing yet; a protection plan is one way to budget for a repair rather than a full replacement.
Sourcing
Two sourced numbers, nothing modeled: ENERGY STAR's certified kWh/yr for this exact model, and EIA's published state electricity rate. Ranked 104 of 658, the Conserv FR430B sits in the middle of the freezer category, see the guide to why your state changes this number for the other half of the math.