Whole-House Dehumidifier in Louisville — $116/yr to Run (11.5¢/kWh)
Your whole-house dehumidifier in Louisville costs about $10/month at 11.5¢/kWh. See daily, monthly, and yearly costs, plus tips to cut your bill.
Louisville, KY Electricity Rate
11.5¢/kWh
Utility: Louisville Gas & Electric (LG&E)
-12% vs national avg
National avg: 13.0¢/kWh
Daily Cost
$0.64
5.6 kWh/day
Monthly Cost
$9.63
84 kWh/mo
Annual Cost
$116
1,008 kWh/yr
Lifetime (10yr)
$1,155
energy only
Monthly Cost Breakdown in Louisville
| Period | kWh | Louisville Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 5.6 | $0.64 | $0.73 | $-0.09 |
| Weekly | 39.2 | $4.49 | $5.10 | $-0.60 |
| Monthly | 84.0 | $9.63 | $10.92 | $-1.29 |
| Quarterly | 252.0 | $28.88 | $32.76 | $-3.88 |
| Annual | 1008.0 | $115.52 | $131.04 | $-15.52 |
Customize Your Whole-House Dehumidifier Cost
Adjust usage hours and electricity rate to calculate your exact cost in Louisville.
Daily
$0.64
Monthly
$9.63
Annual
$116
10-Year
$1,155
Energy Saving Tips for Whole-House Dehumidifier in Louisville
- ✓Louisville has below-average electricity rates, but saving energy still reduces your carbon footprint.
- ✓An ENERGY STAR Whole-House Dehumidifier in Louisville saves ~$17/year compared to standard models.
- ✓A smart Whole-House Dehumidifier with scheduling optimization can save ~$23/year at Louisville rates.
- ✓Louisville's warm climate (avg 71.9°F) means higher cooling costs — consider ceiling fans to supplement.
- ✓Connect to HVAC ductwork for whole-home coverage
- ✓Set to 45-50% relative humidity
ENERGY STAR Savings: Upgrading to an ENERGY STAR Whole-House Dehumidifier in Louisville saves approximately $17/year at local rates — $173 over the appliance lifetime.
Highest-Cost Appliances in Louisville, KY
See which appliances cost the most to run at Louisville's 11.5¢/kWh electricity rate.
Level 2 EV Charger (240V)
Transportation · 7,200W
$1,485/yr
$123.77/mo
Electric Furnace
HVAC · 10,000W
$1,031/yr
$85.95/mo
Electric Tankless Water Heater
Water Heating · 18,000W
$753/yr
$62.74/mo
EV Charger (Level 2)
Garage · 7,200W
$743/yr
$61.88/mo
Boiler (Electric)
HVAC · 6,000W
$619/yr
$51.57/mo
Electric Water Heater (Tank)
Water Heating · 4,500W
$565/yr
$47.06/mo
Water Heater (Tank Electric)
Water Heating · 4,500W
$565/yr
$47.06/mo
Heat Pump
HVAC · 2,400W
$440/yr
$36.67/mo
Whole-House Dehumidifier Cost in Other Kentucky Cities
| City | Rate | Annual Cost | vs Louisville |
|---|---|---|---|
| Louisville (current) | 11.5¢ | $116 | — |
| Lexington | 12.7¢ | $128 | +$13 |
| Bowling Green | 12.1¢ | $122 | +$6 |
| Owensboro | 12.5¢ | $126 | +$10 |
Methodology & Energy Data Sources for Louisville
How we calculate whole-house dehumidifier energy costs in Louisville, KY: Cost estimates use the standard formula: Annual Cost = (Wattage ÷ 1000) × Hours per Day × Days per Year × Local kWh Rate. We model regional electricity rate variation using EIA monthly data, which captures rate differences between investor-owned utilities, municipal providers, and rural electric cooperatives.
- Appliance wattage sourced from ENERGY STAR product database, manufacturer spec sheets, and DOE residential appliance test data.
- Local kWh rate for Louisville reflects Kentucky averages from EIA Form 861 (utility sales data). Rates vary by season (typically 10-20% summer premium) and time-of-use in many Kentucky utilities.
- Usage patterns derived from RECS (Residential Energy Consumption Survey), EIA's official survey of US household energy use.
- Carbon footprint calculated using EPA eGRID emissions factors specific to your regional grid mix in Kentucky.
Authoritative US energy data sources:
- EIA Electric Power Monthly — official US electricity rate data by state
- EIA Residential Energy Consumption Survey (RECS) — household appliance usage patterns
- ENERGY STAR Product Finder — efficiency ratings for whole-house dehumidifiers
- DOE Energy Saver — Electricity — official tips and appliance comparison
- EPA eGRID — Regional Emissions — carbon intensity by grid region
- EIA State Energy Profiles — Kentucky — generation mix, prices, and consumption
Disclaimer: Energy costs are estimates based on average appliance usage and Kentucky state-level kWh rates. Your actual costs depend on your specific utility provider, rate plan (flat, time-of-use, demand), local fees, taxes, and renewable energy credits. Check your utility bill for exact rates. For energy efficiency upgrades, consult your local utility's rebate programs and federal tax credits via ENERGY STAR Federal Tax Credits.
Reviewed by Brazora Monk · Last updated 2026 · EIA data current as of latest monthly release
Find Your Utility, Rate Plan & Incentives in Louisville
The Kentucky state-average kWh rate shown above is a baseline — your actual cost depends on your specific utility provider, rate plan, and time-of-use schedule. Plus you may be missing rebates that pay for ENERGY STAR replacements:
Each utility has its own rate plans (flat, TOU, demand):
- • EIA — Find Your Utility (by ZIP)
- • EIA Kentucky State Profile
- • Time-of-use can save 20-40% if you shift heavy use to off-peak
Inflation Reduction Act provides ongoing credits:
- • ENERGY STAR Federal Tax Credits
- • 30% on solar/battery storage through 2032
- • Up to $2,000 heat pump credit annually
- • DOE — Federal Rebate Programs
State + utility-specific rebates stack with federal:
- • DSIRE — Kentucky Incentive Database
- • DOE State Energy Program
- • Many utilities offer $50-500 rebates on ENERGY STAR appliances
Replace efficient = save 25-50% kWh:
NABCEP-certified installers for solar/battery: NABCEP Certified Professionals Directory. Required for many state incentives.
Whole-House Dehumidifier Energy Cost FAQ — Louisville, KY
Understanding Whole-House Dehumidifier Energy Costs in Louisville, KY
In a major metro like Louisville, electricity demand is high and rates reflect the cost of maintaining infrastructure for 0.6 million residents. Running a moderate-draw appliance like the Whole-House Dehumidifier (700W) at Louisville's rate of 11.5¢/kWh costs approximately $116 per year — $16 less than the national average of $131.
Rates in Louisville are close to the national average, so the Whole-House Dehumidifier's annual cost of $116 is broadly representative of what most US households pay. Over the 10-year expected lifespan, total energy cost reaches $1,155.
Louisville's cost of living index of 81 is below the national average, and electricity costs reflect that affordability. The Whole-House Dehumidifier adds $9.63/month to a typical bill of $121. Upgrading to an ENERGY STAR Whole-House Dehumidifier can cut energy use by up to 15%, saving approximately $17 per year at Louisville rates.
In Louisville's warm climate (avg 71.9°F), HVAC-related appliances tend to run more frequently, compounding energy costs. A Whole-House Dehumidifier produces approximately 0.72 tons of CO2 annually at typical usage. Louisville 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 Louisville.
Compare All Energy Costs in Louisville
See energy costs for 178+ household appliances at Louisville's local electricity rate.
Frequently Asked Questions
How much does it cost to run a Whole-House Dehumidifier in Louisville, KY?
At Louisville's average electricity rate of 11.5¢/kWh, a Whole-House Dehumidifier costs approximately $116 per year to run. That's about $9.63 per month with typical usage of 8 hours per day.
What is the electricity rate in Louisville, KY?
The average residential electricity rate in Louisville, KY is 11.5¢/kWh, which is 12% below the national average of 13.0¢/kWh. The primary utility provider is Louisville Gas & Electric (LG&E).
How much electricity does a Whole-House Dehumidifier use per year?
A Whole-House Dehumidifier uses approximately 700 watts and consumes about 1,008 kWh per year with typical usage of 8 hours/day for 180 days/year.
Is a Whole-House Dehumidifier expensive to run in Louisville?
Compared to the national average cost of $131/year, running a Whole-House Dehumidifier in Louisville costs $16 less per year due to lower local electricity rates.
How can I reduce my Whole-House Dehumidifier energy cost in Louisville?
To reduce Whole-House Dehumidifier costs in Louisville: Connect to HVAC ductwork for whole-home coverage. Set to 45-50% relative humidity. Upgrading to an ENERGY STAR model saves up to 15% on energy costs. Also check with Louisville Gas & Electric (LG&E) for local energy efficiency rebates and programs.