EnergyCostHub

Dehumidifiers / Montana

Cost to run a dehumidifier in Montana

A typical ENERGY STAR dehumidifier costs about $50.97 a year to run in Montana, or $4.25 a month, at the state’s average residential price of 14.99 cents per kWh (July 2026).

Typical yearly cost
$50.97
Over ten years
$510 today’s price
Price in Montana
14.99 ¢/kWh

“Typical” means the median annual energy use of 560 current ENERGY STAR certified dehumidifiers (340 kWh a year), multiplied by the price. It is a standardized figure, not a measurement of your home.

By type of dehumidifier

TypeModelsMedian kWh/yrCost per yearPer monthRange per year
Portable Dehumidifier539315$47.22$3.93$15.74 to $132.81
Whole-home Dehumidifier21628$94.14$7.84$62.81 to $420.92

Costs use each type’s median listing; the range runs from its lowest to its highest listed energy use. Source: ENERGY STAR certified dehumidifiers dataset (EPA) and EIA residential prices.

How Montana compares

Montana’s average residential price is 7% below the median US state, ranking 38 of 51 from highest to lowest. The same typical dehumidifier would cost $43.25 a year in Louisiana, the cheapest state, and $163.20 in Hawaii, the most expensive. Over the last 12 months Montana’s price rose 5.0%.

Cost to run a dehumidifier in every state · Montana electricity price history · Replacing an old dehumidifier? Savings calculator

Lowest running cost by type

The published model with the lowest listed annual energy use in each type, with its cost at Montana’s price:

These are the lowest among the models published on this site, not among every certified model. Browse all dehumidifiers by energy use.

Questions

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

A typical ENERGY STAR dehumidifier (the median of 560 current listings, 340 kWh a year) costs about $50.97 a year, or $4.25 a month, at Montana's average residential price of 14.99 cents per kWh. By type it ranges from $47.22 (portable dehumidifier) to $94.14 (whole-home dehumidifier).

Is electricity expensive in Montana?

Montana's average residential price is 14.99 cents per kWh (July 2026, EIA), 7% below the median state and 38 of 51 when states are ranked from highest to lowest price. The same typical dehumidifier would cost $43.25 a year in Louisiana, the cheapest state, and $163.20 in Hawaii.

Will my dehumidifier cost the same?

Probably not exactly. The annual figure is a standardized ENERGY STAR value, and your own price per kWh may differ from the statewide average. Enter your rate in the calculator on any dehumidifier page for a closer number.

Learn more