Cost to Run a Humidifier in Delaware
Delaware's average residential electricity rate is 18.5¢/kWh as of July 2026 — the 33rd cheapest in the country, 1% above the U.S. average. At typical usage (10 hours/day), a humidifier here costs $2.25 per month.
Per hour
0.7¢
at 20–300 W
Per day
7.4¢
10 hours/day
Per month
$2.25
12 kWh
Per year
$27.01
146 kWh
By usage level in Delaware
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (5 hrs/day) | 3.7¢ | $1.12 | $13.50 |
| Typical (10 hrs/day) | 7.4¢ | $2.25 | $27.01 |
| Heavy (20 hrs/day) | $0.15 | $4.50 | $54.02 |
Delaware vs. the rest of the country
Monthly cost at typical usage.
Delaware $2.25
South average $1.98
U.S. average $2.23
Frequently asked questions
How much does it cost to run a humidifier in Delaware?
At Delaware's current average residential rate of 18.5¢/kWh (July 2026), a humidifier with typical usage costs about 7.4¢ per day, $2.25 per month, or $27.01 per year.
Is running a humidifier in Delaware more expensive than average?
It's almost exactly the U.S. average: $2.25 per month here versus $2.23 nationally.
What does electricity cost in Delaware right now?
Delaware residents pay an average of 18.5¢ per kWh as of July 2026 — the 33rd cheapest rate of the 51 U.S. jurisdictions we track.
Humidifier costs in nearby states
Alabama $1.99/mo Arkansas $1.74/mo Washington, D.C. $3.06/mo Florida $1.82/mo Georgia $1.98/mo Kentucky $1.68/mo Louisiana $1.54/mo Maryland $2.60/mo Mississippi $1.76/mo North Carolina $1.85/mo Oklahoma $1.75/mo South Carolina $1.88/mo Tennessee $1.67/mo Texas $1.93/mo Virginia $2.14/mo West Virginia $1.92/mo Louisiana $1.54/mo Hawaii $5.84/mo
What else costs to run in Delaware
Electric Furnace $337/mo Central Air Conditioner $157/mo Heat Pump $135/mo Pool Heater (Heat Pump) $112/mo Garage Heater $84.36/mo Electric Water Heater $73.39/mo Tankless Electric Water Heater $70.86/mo Space Heater $67.49/mo Baseboard Heater $67.49/mo Oil-Filled Radiator Heater $67.49/mo Pool Pump $67.49/mo EV Charging (Level 2, Home) $56.24/mo