WattCost

Data through April 2026

Cost to run · Massachusetts · 29.4¢/kWh residential average

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

$101/yr · median certified model

At 29.4¢/kWh, Massachusetts ranks among the priciest states for power. The typical certified dehumidifier runs about $101 annually here, which makes choosing an efficient model worth actual dollars, not rounding error.

Only 4 jurisdictions cost more: Massachusetts ranks 47 of 51 for running a dehumidifier. At local rates, certified models span $31 (CONCETTA AS-CSJ72XK-2WT-OL) to $827 (Healthy Climate HCWHD#-130) per year — $796 of annual headroom that depends entirely on which unit you buy. 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.

Massachusetts
$101
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 Massachusetts rates

Top 10 by certified kWh, priced at 29.4¢/kWh
#ModelkWh/yr$/yr in MA
1CONCETTA AS-CSJ72XK-2WT-OLmost efficient105$31
2Dr. Prepare DDH12LAmost efficient105$31
3DUMOS AS-CSJ72XK-2WT-OLmost efficient105$31
4edx AS-CSJ72XK-2WT-OLmost efficient105$31
5Gianna AS-CSJ72XK-2WT-OLmost efficient105$31
6IULULU AS-CSJ72XK-2WT-OLmost efficient105$31
7JIOABL AS-CSJ72XK-2WT-OLmost efficient105$31
8KMFurnila AS-CSJ72XK-2WT-OLmost efficient105$31
9NEWBULIG AS-CSJ72XK-2WT-OLmost efficient105$31
10OLIXIS AS-CSJ72XK-2WT-OLmost efficient105$31

Price any model at Massachusetts rates

Your rate, your numbers

Per day
28¢
Per month
$8.42
Per year
$101

343 kWh/yr × 29.4¢/kWh = $101/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 Massachusetts?
About $101 a year for the median ENERGY STAR certified dehumidifier, at Massachusetts's average residential rate of 29.4¢/kWh — that's $8.42 a month.
Is electricity expensive in Massachusetts?
Massachusetts's residential average of 29.4¢/kWh is 56% above the U.S. average of 18.8¢/kWh, ranking 47 of 51 jurisdictions (1 = cheapest).
What's the cheapest dehumidifier to run in Massachusetts?
Among currently certified models, the CONCETTA AS-CSJ72XK-2WT-OL costs the least at about $31 a year at Massachusetts rates (105 kWh/yr).
How does Massachusetts compare with other states?
The same median dehumidifier costs $42 a year in North Dakota (the cheapest state) and $160 in Hawaii (the priciest). Massachusetts sits at $101.

Keep digging

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