Windmill 10W2Wi Running Cost (Room Air Conditioner)
Windmill 10W2Wi: running cost
At 500 kWh/yr, the Windmill 10W2Wi's ENERGY STAR certification puts it cheaper than most models in its category to run against every other certified room air conditioner.
That $94 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.
How the Windmill 10W2Wi compares to other room air conditioners
Against the category average of 603 kWh/yr, this model uses 17.1% less, ranking 211 of 447 room air conditioners tracked here for running cost. 447 certified room air conditioners, one average, about $19/year of daylight between it and this model; the full methodology has the rest.
Neighbouring models
Right next to the Windmill 10W2Wi on that list: Whirlpool WHAW-101IN ($94/yr, 500 kWh/yr) runs slightly less, while ZOKOP TIWC-10CRD1 ($94/yr, 500 kWh/yr) runs slightly more.
Same brand, different models
Of the 2 ENERGY STAR certified room air conditioners Windmill makes, the 10W2Wi costs the most to run, $19/year more than Windmill's cheapest, the 08W2Wi.
What this adds up to over time
NAHB's Study of Life Expectancy of Home Components puts a typical room air conditioner's service life at 10 years; run the Windmill 10W2Wi that long and it costs about $940 in electricity, on top of whatever it cost to buy.
Weighing a replacement
Efficient as certified room air conditioners go, $94/year is a reasonable baseline if you're comparing what else is on the market.
See what else is certified in this category before you decide.
If you're keeping it
Whether or not the Windmill 10W2Wi ever needs replacing, a repair is the more common failure for a room air conditioner, one a protection plan budgets for ahead of time.
How this was checked
Two sourced numbers, nothing modeled: ENERGY STAR's certified kWh/yr for this exact model, and EIA's published state electricity rate. The full Room Air Conditioner category page shows all 447 room air conditioners ranked by cost; the state-rate guide covers the half of this number that isn't the appliance.