Attic Fan in Boise — $19/yr to Run (11.3¢/kWh)
Your attic fan in Boise costs about $2/month at 11.3¢/kWh. See daily, monthly, and yearly costs, plus tips to cut your bill.
Boise, ID Electricity Rate
11.3¢/kWh
Utility: Idaho Power
-13% vs national avg
National avg: 13.0¢/kWh
Daily Cost
$0.16
1.4 kWh/day
Monthly Cost
$1.58
14 kWh/mo
Annual Cost
$19
168 kWh/yr
Lifetime (15yr)
$284
energy only
Monthly Cost Breakdown in Boise
| Period | kWh | Boise Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 1.4 | $0.16 | $0.18 | $-0.02 |
| Weekly | 9.8 | $1.10 | $1.27 | $-0.17 |
| Monthly | 14.0 | $1.57 | $1.82 | $-0.25 |
| Quarterly | 42.0 | $4.73 | $5.46 | $-0.73 |
| Annual | 168.0 | $18.90 | $21.84 | $-2.94 |
Customize Your Attic Fan Cost
Adjust usage hours and electricity rate to calculate your exact cost in Boise.
Daily
$0.16
Monthly
$1.58
Annual
$19
15-Year
$284
Energy Saving Tips for Attic Fan in Boise
- ✓Boise has below-average electricity rates, but saving energy still reduces your carbon footprint.
- ✓An ENERGY STAR Attic Fan in Boise saves ~$3/year compared to standard models.
- ✓A smart Attic Fan with scheduling optimization can save ~$4/year at Boise rates.
- ✓Install thermostat to auto-activate above 100F
- ✓Ensure adequate soffit vents
- ✓Solar-powered models cost nothing to run
ENERGY STAR Savings: Upgrading to an ENERGY STAR Attic Fan in Boise saves approximately $3/year at local rates — $43 over the appliance lifetime.
Highest-Cost Appliances in Boise, ID
See which appliances cost the most to run at Boise's 11.3¢/kWh electricity rate.
Level 2 EV Charger (240V)
Transportation · 7,200W
$1,458/yr
$121.50/mo
Electric Furnace
HVAC · 10,000W
$1,013/yr
$84.38/mo
Electric Tankless Water Heater
Water Heating · 18,000W
$739/yr
$61.59/mo
EV Charger (Level 2)
Garage · 7,200W
$729/yr
$60.75/mo
Boiler (Electric)
HVAC · 6,000W
$608/yr
$50.63/mo
Electric Water Heater (Tank)
Water Heating · 4,500W
$554/yr
$46.20/mo
Water Heater (Tank Electric)
Water Heating · 4,500W
$554/yr
$46.20/mo
Heat Pump
HVAC · 2,400W
$432/yr
$36.00/mo
Attic Fan Cost in Other Idaho Cities
| City | Rate | Annual Cost | vs Boise |
|---|---|---|---|
| Boise (current) | 11.3¢ | $19 | — |
| Meridian | 10.2¢ | $17 | $-2 |
| Nampa | 11.7¢ | $20 | +$1 |
| Idaho Falls | 10.8¢ | $18 | $-1 |
| Caldwell | 11.2¢ | $19 | $-0 |
| Pocatello | 10.3¢ | $17 | $-2 |
| Coeur d'Alene | 11.6¢ | $19 | +$1 |
| Twin Falls | 10.0¢ | $17 | $-2 |
Attic Fan Energy Cost FAQ — Boise, ID
Understanding Attic Fan Energy Costs in Boise, ID
Boise is a mid-sized Idaho city where residential electricity rates from Idaho Power are shaped by regional energy supply and local demand patterns. Running a low-draw appliance like the Attic Fan (350W) at Boise's rate of 11.3¢/kWh costs approximately $19 per year — $3 less than the national average of $22.
Rates in Boise are close to the national average, so the Attic Fan's annual cost of $19 is broadly representative of what most US households pay. Over the 15-year expected lifespan, total energy cost reaches $284.
With a cost of living index of 98, Boise is near the national median. The Attic Fan's monthly cost of $1.58 represents a typical share of the average Boise electric bill of $138/month. Upgrading to an ENERGY STAR Attic Fan can cut energy use by up to 15%, saving approximately $3 per year at Boise rates.
Boise's moderate climate (avg 49.7°F) helps keep seasonal energy cost swings manageable for most appliances. A Attic Fan produces approximately 0.12 tons of CO2 annually at typical usage. Boise 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 Boise.
Compare All Energy Costs in Boise
See energy costs for 178+ household appliances at Boise's local electricity rate.
Frequently Asked Questions
How much does it cost to run an Attic Fan in Boise, ID?
At Boise's average electricity rate of 11.3¢/kWh, an Attic Fan costs approximately $19 per year to run. That's about $1.58 per month with typical usage of 4 hours per day.
What is the electricity rate in Boise, ID?
The average residential electricity rate in Boise, ID is 11.3¢/kWh, which is 13% below the national average of 13.0¢/kWh. The primary utility provider is Idaho Power.
How much electricity does an Attic Fan use per year?
A Attic Fan uses approximately 350 watts and consumes about 168 kWh per year with typical usage of 4 hours/day for 120 days/year.
Is an Attic Fan expensive to run in Boise?
Compared to the national average cost of $22/year, running an Attic Fan in Boise costs $3 less per year due to lower local electricity rates.
How can I reduce my Attic Fan energy cost in Boise?
To reduce Attic Fan costs in Boise: Install thermostat to auto-activate above 100F. Ensure adequate soffit vents. Upgrading to an ENERGY STAR model saves up to 15% on energy costs. Also check with Idaho Power for local energy efficiency rebates and programs.