WattCost

Data through April 2026

Cost to run · California · 35.3¢/kWh residential average

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

$121/yr · median certified model

Electricity in California is genuinely expensive — 35.3¢/kWh, 87% above the national average — so the median certified dehumidifier costs about $121 a year, and efficiency differences between models turn into real money.

Only 1 jurisdiction costs more: California ranks 50 of 51 for running a dehumidifier. Model choice matters as much as geography: at California rates the most efficient certified model (CONCETTA AS-CSJ72XK-2WT-OL) costs $37 a year while the most power-hungry (Healthy Climate HCWHD#-130) costs $990 — a spread of $953 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.

California
$121
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 California rates

Top 10 by certified kWh, priced at 35.3¢/kWh
#ModelkWh/yr$/yr in CA
1CONCETTA AS-CSJ72XK-2WT-OLmost efficient105$37
2Dr. Prepare DDH12LAmost efficient105$37
3DUMOS AS-CSJ72XK-2WT-OLmost efficient105$37
4edx AS-CSJ72XK-2WT-OLmost efficient105$37
5Gianna AS-CSJ72XK-2WT-OLmost efficient105$37
6IULULU AS-CSJ72XK-2WT-OLmost efficient105$37
7JIOABL AS-CSJ72XK-2WT-OLmost efficient105$37
8KMFurnila AS-CSJ72XK-2WT-OLmost efficient105$37
9NEWBULIG AS-CSJ72XK-2WT-OLmost efficient105$37
10OLIXIS AS-CSJ72XK-2WT-OLmost efficient105$37

Price any model at California rates

Your rate, your numbers

Per day
33¢
Per month
$10.08
Per year
$121

343 kWh/yr × 35.3¢/kWh = $121/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 California?
About $121 a year for the median ENERGY STAR certified dehumidifier, at California's average residential rate of 35.3¢/kWh — that's $10.08 a month.
Is electricity expensive in California?
California's residential average of 35.3¢/kWh is 87% above the U.S. average of 18.8¢/kWh, ranking 50 of 51 jurisdictions (1 = cheapest).
What's the cheapest dehumidifier to run in California?
Among currently certified models, the CONCETTA AS-CSJ72XK-2WT-OL costs the least at about $37 a year at California rates (105 kWh/yr).
How does California compare with other states?
The same median dehumidifier costs $42 a year in North Dakota (the cheapest state) and $160 in Hawaii (the priciest). California sits at $121.

Keep digging

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