WattCost

Data through April 2026

Cost to run · Montana · 13.9¢/kWh residential average

How much does it cost to run a dehumidifier in Montana?

$48/yr · median certified model

Residential electricity in Montana runs 13.9¢/kWh — 26% under the U.S. average — putting the median certified dehumidifier at about $48 a year, versus $65 nationally.

In the national ranking, Montana lands at 7 of 51 for what a dehumidifier costs to run. Model choice matters as much as geography: at Montana rates the most efficient certified model (CONCETTA AS-CSJ72XK-2WT-OL) costs $15 a year while the most power-hungry (Healthy Climate HCWHD#-130) costs $390 — a spread of $376 every year. For reference, the national extremes are North Dakota (12.3¢/kWh) and Hawaii (46.6¢/kWh); the same median dehumidifier would cost $42 and $160 a year there.

Montana
$48
US average
$65
North Dakota
$42
Hawaii
$160
Median certified dehumidifier (343 kWh/yr) per year, at each rate

The cheapest dehumidifiers to run at Montana rates

Top 10 by certified kWh, priced at 13.9¢/kWh
#ModelkWh/yr$/yr in MT
1CONCETTA AS-CSJ72XK-2WT-OLmost efficient105$15
2Dr. Prepare DDH12LAmost efficient105$15
3DUMOS AS-CSJ72XK-2WT-OLmost efficient105$15
4edx AS-CSJ72XK-2WT-OLmost efficient105$15
5Gianna AS-CSJ72XK-2WT-OLmost efficient105$15
6IULULU AS-CSJ72XK-2WT-OLmost efficient105$15
7JIOABL AS-CSJ72XK-2WT-OLmost efficient105$15
8KMFurnila AS-CSJ72XK-2WT-OLmost efficient105$15
9NEWBULIG AS-CSJ72XK-2WT-OLmost efficient105$15
10OLIXIS AS-CSJ72XK-2WT-OLmost efficient105$15

Price any model at Montana rates

Your rate, your numbers

Per day
13¢
Per month
$3.97
Per year
$48

343 kWh/yr × 13.9¢/kWh = $48/yr

Prefilled with the median certified dehumidifier (343 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 dehumidifier in Montana?
About $48 a year for the median ENERGY STAR certified dehumidifier, at Montana's average residential rate of 13.9¢/kWh — that's $3.97 a month.
Is electricity expensive in Montana?
Montana's residential average of 13.9¢/kWh is 26% below the U.S. average of 18.8¢/kWh, ranking 7 of 51 jurisdictions (1 = cheapest).
What's the cheapest dehumidifier to run in Montana?
Among currently certified models, the CONCETTA AS-CSJ72XK-2WT-OL costs the least at about $15 a year at Montana rates (105 kWh/yr).
How does Montana compare with other states?
The same median dehumidifier costs $42 a year in North Dakota (the cheapest state) and $160 in Hawaii (the priciest). Montana sits at $48.

Keep digging

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