WattCost

Data through April 2026

Cost to run · New Mexico · 15.2¢/kWh residential average

How much does it cost to run a room air conditioner in New Mexico?

$81/yr · median certified model

Residential electricity in New Mexico runs 15.2¢/kWh — 20% under the U.S. average — putting the median certified room air conditioner at about $81 a year, versus $100 nationally.

In the national ranking, New Mexico lands at 17 of 51 for what a room air conditioner costs to run. Model choice matters as much as geography: at New Mexico rates the most efficient certified model (TCL T05WV9M) costs $41 a year while the most power-hungry (Friedrich KCVL36B30A) costs $318 — a spread of $276 every year. For reference, the national extremes are North Dakota (12.3¢/kWh) and Hawaii (46.6¢/kWh); the same median room air conditioner would cost $66 and $248 a year there.

New Mexico
$81
US average
$100
North Dakota
$66
Hawaii
$248
Median certified room air conditioner (532 kWh/yr) per year, at each rate

The cheapest room air conditioners to run at New Mexico rates

Top 10 by certified kWh, priced at 15.2¢/kWh
#ModelkWh/yr$/yr in NM
1TCL T05WV9M274$41
2TCL T05WV9MB274$41
3TCL T05WV9R274$41
4TCL T05WV9RB274$41
5TCL W5WC72274$41
6TCL W5WC72-B274$41
7TCL W5WC72M274$41
8TCL W5WC72M-B274$41
9LG LW6023IVSMmost efficient290$44
10Midea MAW06U1QWTmost efficient298$45

Price any model at New Mexico rates

Your rate, your numbers

Per day
22¢
Per month
$6.72
Per year
$81

532 kWh/yr × 15.2¢/kWh = $81/yr

Prefilled with the median certified room air conditioner (532 kWh/yr). Every model page on this site carries its exact certified figure.

Questions, answered with the data

How much does it cost to run a room air conditioner in New Mexico?
About $81 a year for the median ENERGY STAR certified room air conditioner, at New Mexico's average residential rate of 15.2¢/kWh — that's $6.72 a month.
Is electricity expensive in New Mexico?
New Mexico's residential average of 15.2¢/kWh is 20% below the U.S. average of 18.8¢/kWh, ranking 17 of 51 jurisdictions (1 = cheapest).
What's the cheapest room air conditioner to run in New Mexico?
Among currently certified models, the TCL T05WV9M costs the least at about $41 a year at New Mexico rates (274 kWh/yr).
How does New Mexico compare with other states?
The same median room air conditioner costs $66 a year in North Dakota (the cheapest state) and $248 in Hawaii (the priciest). New Mexico sits at $81.

Keep digging

Rate source: US EIA, average residential price of electricity, see methodology.