EnergyCostHub

Dehumidifiers / Delaware

Cost to run a dehumidifier in Delaware

A typical ENERGY STAR dehumidifier costs about $62.83 a year to run in Delaware, or $5.24 a month, at the state’s average residential price of 18.48 cents per kWh (July 2026).

Typical yearly cost
$62.83
Over ten years
$628 today’s price
Price in Delaware
18.48 ¢/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$58.21$4.85$19.40 to $163.73
Whole-home Dehumidifier21628$116.05$9.67$77.43 to $518.92

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 Delaware compares

Delaware’s average residential price is 15% above the median US state, ranking 19 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 Delaware’s price rose 11.5%.

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

A typical ENERGY STAR dehumidifier (the median of 560 current listings, 340 kWh a year) costs about $62.83 a year, or $5.24 a month, at Delaware's average residential price of 18.48 cents per kWh. By type it ranges from $58.21 (portable dehumidifier) to $116.05 (whole-home dehumidifier).

Is electricity expensive in Delaware?

Delaware's average residential price is 18.48 cents per kWh (July 2026, EIA), 15% above the median state and 19 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