Keystone KSTAW081WA Running Cost (Room Air Conditioner)
Running cost for the Keystone KSTAW081WA
The Keystone KSTAW081WA is certified by ENERGY STAR at 400 kWh a year, one of the cheaper models in its category to run among room air conditioners currently certified.
The $75 figure above uses the simple average of all 51 published state rates. Pick your state for the real number.
Keystone KSTAW081WA against the category
That's 33.7% below the room air conditioner category average of 603 kWh/yr, and ranks 83 of 447 certified room air conditioners for annual running cost, 1 being cheapest. The category average comes from every room air conditioner ENERGY STAR currently certifies (447 models), not an outside benchmark, about $38/year below that average at the national rate. See the methodology page.
What sits beside it in the ranking
Keystone KSTAW08INV ($75/yr, 400 kWh/yr) costs a little more to run than the Keystone KSTAW081WA. Keplerx KARC8RSVE1 ($75/yr, 400 kWh/yr) costs a little less.
Comparing Keystone's own models
Keystone sells 11 certified room air conditioners; this one runs cheapest of them, $179/year under the KSTAW242WA, its priciest.
Cost over its typical lifespan
10 years is NAHB's typical service life for this category; at $75/year, the Keystone KSTAW081WA adds up to about $752 in electricity over that span.
Is it worth replacing?
The Keystone KSTAW081WA is already efficient for its category at $75/year. If you're shopping and comparing options, this is roughly what a well-chosen new room air conditioner costs to run.
Compare current ENERGY STAR certified room air conditioners before buying.
Protecting what you have
$75/year to run is the predictable cost of the Keystone KSTAW081WA; a protection plan covers the unpredictable one, a repair bill.
Sourcing
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.