Keystone KSTAW141WA Running Cost (Room Air Conditioner)
What the Keystone KSTAW141WA costs to run
At 700 kWh/yr, the Keystone KSTAW141WA's ENERGY STAR certification puts it more expensive than most models in its category to run against every other certified room air conditioner.
That $132 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
The category average is 603 kWh/yr; this model runs 16.1% above it, ranking 362 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 $18/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 Keystone KSTAW141WA: Keplerx KARC14RSVE1 ($132/yr, 700 kWh/yr), then Midea 1014634880 ($132/yr, 700 kWh/yr).
Same brand, different models
Ranked 9 of Keystone's 11 certified room air conditioners, this sits between the KSTAW081WA ($75/yr, the brand's cheapest) and the KSTAW242WA ($254/yr, its priciest).
Keystone KSTAW141WA 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 Keystone KSTAW141WA that long and it costs about $1,316 in electricity, on top of whatever it cost to buy.
Is it worth replacing?
At $132/year, this is on the expensive side for a room air conditioner; the cheapest certified model in this category runs about $49/year, worth knowing before buying either the Keystone KSTAW141WA or its replacement.
Compare current ENERGY STAR certified room air conditioners before buying.
If you're keeping it
Whether or not the Keystone KSTAW141WA ever needs replacing, a repair is the more common failure for a room air conditioner, one a protection plan budgets for ahead of time.
Where this number comes from
Nothing here is estimated from a nameplate wattage; the 700 kWh/yr is ENERGY STAR's own certified figure for this model. 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.