WattCost

Data through April 2026

Room Air Conditioners · 10 certified models

60%+ More Efficient Room Air Conditioners

10 of 396 certified room air conditioners meet the bar for "60%+ More Efficient Room Air Conditioners." At the U.S. average electricity rate they cost $76 to $207 a year to run — median $76, versus $100 across the whole category.

All certified models

60%+ More Efficient Room Air Conditioners, ranked by certified annual kWh
#ModelkWh/yr$/yr (US avg)
1Midea MAH09B1AGRmost efficient405$76
2Midea MAH09H1AGRmost efficient405$76
3Midea MAH09N1AGRmost efficient405$76
4Midea MAH09S1AGRmost efficient405$76
5Midea MAH09W1AGRmost efficient405$76
6Midea MWCUPWHP-09HEFN8-BCL1most efficient405$76
7Midea MWCUPWHP-09HEFN8-BCL1Nmost efficient405$76
8Gradient CCHP11most efficient415$78
9K�hl+ KHVS12B33Bmost efficient598$113
10Hisense AW2223TW3Wmost efficient1,100$207

Other efficiency facets

Questions, answered with the data

How much does it cost to run 60%+ more efficient room air conditioners?
Among 10 certified models in this data, 60%+ more efficient room air conditioners cost $76 to $207 a year to run at the U.S. average electricity rate (18.8¢/kWh) — a median of $76.
Do 60%+ more efficient room air conditioners cost more or less than the average room air conditioner?
The median model here runs $76 a year, 24% less than the $100 median across all certified room air conditioners.
What's the cheapest model among 60%+ more efficient room air conditioners?
The Midea MAH09B1AGR costs about $76 a year at the U.S. average rate (405 kWh/yr) — the lowest certified figure in this group.
What does the certified annual-kWh figure assume for room air conditioners?
The certified annual kWh assumes 750 cooling hours per year (the DOE standard). In hot climates real usage can run well above that; in mild ones, below.

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