EnergyCostHub

Dehumidifiers / Idaho

Cost to run a dehumidifier in Idaho

A typical ENERGY STAR dehumidifier costs about $46.68 a year to run in Idaho, or $3.89 a month, at the state’s average residential price of 13.73 cents per kWh (July 2026).

Typical yearly cost
$46.68
Over ten years
$467 today’s price
Price in Idaho
13.73 ¢/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$43.25$3.60$14.42 to $121.65
Whole-home Dehumidifier21628$86.22$7.19$57.53 to $385.54

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 Idaho compares

Idaho’s average residential price is 15% below the median US state, ranking 46 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 Idaho’s price rose 11.8%.

Cost to run a dehumidifier in every state · Idaho 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 Idaho’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 Idaho?

A typical ENERGY STAR dehumidifier (the median of 560 current listings, 340 kWh a year) costs about $46.68 a year, or $3.89 a month, at Idaho's average residential price of 13.73 cents per kWh. By type it ranges from $43.25 (portable dehumidifier) to $86.22 (whole-home dehumidifier).

Is electricity expensive in Idaho?

Idaho's average residential price is 13.73 cents per kWh (July 2026, EIA), 15% below the median state and 46 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