WattCost

Data through April 2026

Cost to run · Connecticut · 32.2¢/kWh residential average

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

$111/yr · median certified model

At 32.2¢/kWh, Connecticut ranks among the priciest states for power. The typical certified dehumidifier runs about $111 annually here, which makes choosing an efficient model worth actual dollars, not rounding error.

Connecticut sits at rank 49 of 51 — near the very top of the cost table for a dehumidifier. Model choice matters as much as geography: at Connecticut rates the most efficient certified model (CONCETTA AS-CSJ72XK-2WT-OL) costs $34 a year while the most power-hungry (Healthy Climate HCWHD#-130) costs $905 — a spread of $871 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.

Connecticut
$111
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 Connecticut rates

Top 10 by certified kWh, priced at 32.2¢/kWh
#ModelkWh/yr$/yr in CT
1CONCETTA AS-CSJ72XK-2WT-OLmost efficient105$34
2Dr. Prepare DDH12LAmost efficient105$34
3DUMOS AS-CSJ72XK-2WT-OLmost efficient105$34
4edx AS-CSJ72XK-2WT-OLmost efficient105$34
5Gianna AS-CSJ72XK-2WT-OLmost efficient105$34
6IULULU AS-CSJ72XK-2WT-OLmost efficient105$34
7JIOABL AS-CSJ72XK-2WT-OLmost efficient105$34
8KMFurnila AS-CSJ72XK-2WT-OLmost efficient105$34
9NEWBULIG AS-CSJ72XK-2WT-OLmost efficient105$34
10OLIXIS AS-CSJ72XK-2WT-OLmost efficient105$34

Price any model at Connecticut rates

Your rate, your numbers

Per day
30¢
Per month
$9.22
Per year
$111

343 kWh/yr × 32.2¢/kWh = $111/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 Connecticut?
About $111 a year for the median ENERGY STAR certified dehumidifier, at Connecticut's average residential rate of 32.2¢/kWh — that's $9.22 a month.
Is electricity expensive in Connecticut?
Connecticut's residential average of 32.2¢/kWh is 71% above the U.S. average of 18.8¢/kWh, ranking 49 of 51 jurisdictions (1 = cheapest).
What's the cheapest dehumidifier to run in Connecticut?
Among currently certified models, the CONCETTA AS-CSJ72XK-2WT-OL costs the least at about $34 a year at Connecticut rates (105 kWh/yr).
How does Connecticut compare with other states?
The same median dehumidifier costs $42 a year in North Dakota (the cheapest state) and $160 in Hawaii (the priciest). Connecticut sits at $111.

Keep digging

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