What the TCL H12W4MW costs to run
The TCL H12W4MW is certified by ENERGY STAR at 600 kWh a year, about average for its category to run among room air conditioners currently certified.
The $113 figure above uses the simple average of all 51 published state rates. Pick your state for the real number.
TCL H12W4MW against the category
That's 0.5% below the room air conditioner category average of 603 kWh/yr, and ranks 315 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 $1/year below that average at the national rate. See the methodology page.
What sits beside it in the ranking
TCL T12WQ2S ($113/yr, 600 kWh/yr) costs a little more to run than the TCL H12W4MW. TCL H12W4KW-CA ($113/yr, 600 kWh/yr) costs a little less.
Same brand, different models
TCL makes 59 ENERGY STAR certified room air conditioners; this one ranks 45 of 59 for running cost, between the brand's cheapest, the T05WV9M at $51/yr, and its priciest, the T24WQ2S at $266/yr.
Cost over its typical lifespan
10 years is NAHB's typical service life for this category; at $113/year, the TCL H12W4MW adds up to about $1,128 in electricity over that span.
Is it worth replacing?
The TCL H12W4MW is already efficient for its category at $113/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
A room air conditioner like the TCL H12W4MW is a real household expense whether or not it needs replacing yet; a protection plan is one way to budget for a repair rather than a full replacement.
Sourcing
Nothing here is estimated from a nameplate wattage; the 600 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.