What the Friedrich WCVT10B30B costs to run
At 528.2 kWh/yr, the Friedrich WCVT10B30B's ENERGY STAR certification puts it cheaper than most models in its category to run against every other certified room air conditioner.
That $99 is priced at 18.8¢/kWh, the average of all 51 state rates this site tracks. Your own state's rate is one click away.
Efficient, or not, for a room air conditioner
Against the category average of 603 kWh/yr, this model uses 12.4% less, ranking 216 of 447 room air conditioners tracked here for running cost. That average is drawn from all 447 room air conditioners ENERGY STAR currently certifies, not an outside number, a $14/year gap from this model at the national rate. Full sourcing is in the sourcing notes.
Right next to it on the list
A rank or two either side of the Friedrich WCVT10B30B: GE Profile PHNT10CCH1 ($99/yr, 525.5 kWh/yr), then K�hl+ KHVS10B11B ($100/yr, 530 kWh/yr).
Within the Friedrich lineup
Ranked 4 of Friedrich's 28 certified room air conditioners, this sits between the CCV08A10A ($75/yr, the brand's cheapest) and the KCVL36B30A ($394/yr, its priciest).
Friedrich WCVT10B30B over 10 years
NAHB's Study of Life Expectancy of Home Components puts a typical room air conditioner's service life at 10 years; run the Friedrich WCVT10B30B that long and it costs about $993 in electricity, on top of whatever it cost to buy.
Shopping for a new one
Efficient as certified room air conditioners go, $99/year is a reasonable baseline if you're comparing what else is on the market.
Compare current ENERGY STAR certified room air conditioners before buying.
If you're keeping it
$99/year to run is the predictable cost of the Friedrich WCVT10B30B; a protection plan covers the unpredictable one, a repair bill.
Where this number comes from
At rank 216 of 447 for running cost, see the room air conditioner category page for the rest of the field, or the guide to how much your state matters. The 528.2 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.