Whole-House Dehumidifier in Seattle — $117/yr to Run (11.6¢/kWh)
Your whole-house dehumidifier in Seattle costs about $10/month at 11.6¢/kWh. See daily, monthly, and yearly costs, plus tips to cut your bill.
Seattle, WA Electricity Rate
11.6¢/kWh
Utility: Seattle City Light
-11% vs national avg
National avg: 13.0¢/kWh
Daily Cost
$0.65
5.6 kWh/day
Monthly Cost
$9.74
84 kWh/mo
Annual Cost
$117
1,008 kWh/yr
Lifetime (10yr)
$1,169
energy only
Monthly Cost Breakdown in Seattle
| Period | kWh | Seattle Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 5.6 | $0.65 | $0.73 | $-0.08 |
| Weekly | 39.2 | $4.55 | $5.10 | $-0.55 |
| Monthly | 84.0 | $9.74 | $10.92 | $-1.18 |
| Quarterly | 252.0 | $29.23 | $32.76 | $-3.53 |
| Annual | 1008.0 | $116.93 | $131.04 | $-14.11 |
Customize Your Whole-House Dehumidifier Cost
Adjust usage hours and electricity rate to calculate your exact cost in Seattle.
Daily
$0.65
Monthly
$9.74
Annual
$117
10-Year
$1,169
Energy Saving Tips for Whole-House Dehumidifier in Seattle
- ✓Seattle has below-average electricity rates, but saving energy still reduces your carbon footprint.
- ✓An ENERGY STAR Whole-House Dehumidifier in Seattle saves ~$18/year compared to standard models.
- ✓A smart Whole-House Dehumidifier with scheduling optimization can save ~$23/year at Seattle rates.
- ✓Connect to HVAC ductwork for whole-home coverage
- ✓Set to 45-50% relative humidity
- ✓Drain directly to floor drain
ENERGY STAR Savings: Upgrading to an ENERGY STAR Whole-House Dehumidifier in Seattle saves approximately $18/year at local rates — $175 over the appliance lifetime.
Highest-Cost Appliances in Seattle, WA
See which appliances cost the most to run at Seattle's 11.6¢/kWh electricity rate.
Level 2 EV Charger (240V)
Transportation · 7,200W
$1,503/yr
$125.28/mo
Electric Furnace
HVAC · 10,000W
$1,044/yr
$87.00/mo
Electric Tankless Water Heater
Water Heating · 18,000W
$762/yr
$63.51/mo
EV Charger (Level 2)
Garage · 7,200W
$752/yr
$62.64/mo
Boiler (Electric)
HVAC · 6,000W
$626/yr
$52.20/mo
Electric Water Heater (Tank)
Water Heating · 4,500W
$572/yr
$47.63/mo
Water Heater (Tank Electric)
Water Heating · 4,500W
$572/yr
$47.63/mo
Heat Pump
HVAC · 2,400W
$445/yr
$37.12/mo
Whole-House Dehumidifier Cost in Other Washington Cities
Whole-House Dehumidifier Energy Cost FAQ — Seattle, WA
Understanding Whole-House Dehumidifier Energy Costs in Seattle, WA
In a major metro like Seattle, electricity demand is high and rates reflect the cost of maintaining infrastructure for 0.7 million residents. Running a moderate-draw appliance like the Whole-House Dehumidifier (700W) at Seattle's rate of 11.6¢/kWh costs approximately $117 per year — $14 less than the national average of $131.
Rates in Seattle are close to the national average, so the Whole-House Dehumidifier's annual cost of $117 is broadly representative of what most US households pay. Over the 10-year expected lifespan, total energy cost reaches $1,169.
With a cost of living index of 104, Seattle is near the national median. The Whole-House Dehumidifier's monthly cost of $9.74 represents a typical share of the average Seattle electric bill of $129/month. Upgrading to an ENERGY STAR Whole-House Dehumidifier can cut energy use by up to 15%, saving approximately $18 per year at Seattle rates.
Seattle's moderate climate (avg 49.4°F) helps keep seasonal energy cost swings manageable for most appliances. A Whole-House Dehumidifier produces approximately 0.72 tons of CO2 annually at typical usage. Seattle residents can reduce this footprint by choosing an ENERGY STAR certified unit, optimizing usage patterns, or investing in solar — see our solar savings calculator for Seattle.
Compare All Energy Costs in Seattle
See energy costs for 168+ household appliances at Seattle's local electricity rate.