EnergyCostHub

Dehumidifiers / Hawaii

Cost to run a dehumidifier in Hawaii

A typical ENERGY STAR dehumidifier costs about $163.20 a year to run in Hawaii, or $13.60 a month, at the state’s average residential price of 48 cents per kWh (July 2026).

Typical yearly cost
$163.20
Over ten years
$1632 today’s price
Price in Hawaii
48 ¢/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$151.20$12.60$50.40 to $425.28
Whole-home Dehumidifier21628$301.44$25.12$201.12 to $1347.84

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 Hawaii compares

Hawaii’s average residential price is 198% above the median US state, ranking 1 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 Hawaii’s price rose 22.0%.

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

A typical ENERGY STAR dehumidifier (the median of 560 current listings, 340 kWh a year) costs about $163.20 a year, or $13.60 a month, at Hawaii's average residential price of 48 cents per kWh. By type it ranges from $151.20 (portable dehumidifier) to $301.44 (whole-home dehumidifier).

Is electricity expensive in Hawaii?

Hawaii's average residential price is 48 cents per kWh (July 2026, EIA), 198% above the median state and 1 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