What the TCL T12WV9S costs to run
ENERGY STAR certifies the TCL T12WV9S at 562.5 kWh/yr, about average for its category to run for its category.
The $106 figure above uses the simple average of all 51 published state rates. Pick your state for the real number.
Where this ranks
That's 6.7% below the room air conditioner category average of 603 kWh/yr, and ranks 242 of 447 certified room air conditioners for annual running cost, 1 being cheapest. Every one of the 447 currently-certified room air conditioners feeds that average, putting this model about $8/year under it. See how it's calculated on the how it is calculated page.
The closest alternatives by cost
Sorted by running cost among room air conditioners, one step cheaper is TCL T12WV4S ($106/yr, 562.5 kWh/yr), and one step pricier is TCL T12WV9SB ($106/yr, 562.5 kWh/yr).
Within the TCL lineup
TCL makes 59 ENERGY STAR certified room air conditioners; this one ranks 36 of 59 for running cost, between the brand's cheapest, the T05WV9M at $51/yr, and its priciest, the T24WQ2S at $266/yr.
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 TCL T12WV9S that long and it costs about $1,058 in electricity, on top of whatever it cost to buy.
Is it worth replacing?
The TCL T12WV9S is already efficient for its category at $106/year. If you're shopping and comparing options, this is roughly what a well-chosen new room air conditioner costs to run.
See what else is certified in this category before you decide.
Protecting what you have
At $106/year just to run, a room air conditioner is worth protecting against an unplanned repair bill on top of that.
The data behind this page
Two sourced numbers, nothing modeled: ENERGY STAR's certified kWh/yr for this exact model, and EIA's published state electricity rate. At rank 242 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.