Whole House Fan in San Antonio — $27/yr to Run (13.5¢/kWh)
Your whole house fan in San Antonio costs about $2/month at 13.5¢/kWh. See daily, monthly, and yearly costs, plus tips to cut your bill.
San Antonio, TX Electricity Rate
13.5¢/kWh
Utility: CPS Energy
+4% vs national avg
National avg: 13.0¢/kWh
Daily Cost
$0.27
2.0 kWh/day
Monthly Cost
$2.25
17 kWh/mo
Annual Cost
$27
200 kWh/yr
Lifetime (20yr)
$540
energy only
Monthly Cost Breakdown in San Antonio
| Period | kWh | San Antonio Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 2.0 | $0.27 | $0.26 | +$0.01 |
| Weekly | 14.0 | $1.89 | $1.82 | +$0.07 |
| Monthly | 16.7 | $2.25 | $2.17 | +$0.08 |
| Quarterly | 50.0 | $6.75 | $6.50 | +$0.25 |
| Annual | 200.0 | $27.00 | $26.00 | +$1.00 |
Customize Your Whole House Fan Cost
Adjust usage hours and electricity rate to calculate your exact cost in San Antonio.
Daily
$0.27
Monthly
$2.25
Annual
$27
20-Year
$540
Energy Saving Tips for Whole House Fan in San Antonio
- ✓San Antonio electricity rates are 4% above the national average — energy efficiency matters more here.
- ✓A smart Whole House Fan with scheduling optimization can save ~$3/year at San Antonio rates.
- ✓Use in the evening when outside is cooler
- ✓Open windows when running
- ✓Close attic access in winter
Highest-Cost Appliances in San Antonio, TX
See which appliances cost the most to run at San Antonio's 13.5¢/kWh electricity rate.
Level 2 EV Charger (240V)
Transportation · 7,200W
$1,750/yr
$145.80/mo
Electric Furnace
HVAC · 10,000W
$1,215/yr
$101.25/mo
Electric Tankless Water Heater
Water Heating · 18,000W
$887/yr
$73.91/mo
EV Charger (Level 2)
Garage · 7,200W
$875/yr
$72.90/mo
Boiler (Electric)
HVAC · 6,000W
$729/yr
$60.75/mo
Electric Water Heater (Tank)
Water Heating · 4,500W
$665/yr
$55.43/mo
Water Heater (Tank Electric)
Water Heating · 4,500W
$665/yr
$55.43/mo
Heat Pump
HVAC · 2,400W
$518/yr
$43.20/mo
Whole House Fan Cost in Other Texas Cities
| City | Rate | Annual Cost | vs San Antonio |
|---|---|---|---|
| San Antonio (current) | 13.5¢ | $27 | — |
| Houston | 12.6¢ | $25 | $-2 |
| Dallas | 14.0¢ | $28 | +$1 |
| Austin | 14.3¢ | $29 | +$2 |
| Fort Worth | 14.3¢ | $29 | +$2 |
| El Paso | 14.2¢ | $28 | +$1 |
| Arlington | 12.4¢ | $25 | $-2 |
| Corpus Christi | 15.0¢ | $30 | +$3 |
| Plano | 12.0¢ | $24 | $-3 |
Whole House Fan Energy Cost FAQ — San Antonio, TX
Understanding Whole House Fan Energy Costs in San Antonio, TX
In a major metro like San Antonio, electricity demand is high and rates reflect the cost of maintaining infrastructure for 1.5 million residents. Running a low-draw appliance like the Whole House Fan (500W) at San Antonio's rate of 13.5¢/kWh costs approximately $27 per year — $1 more than the national average of $26.
San Antonio rates are 4% above the national average — a modest premium that adds $1 per year to Whole House Fan operating costs. Over the appliance's 20-year lifespan, that's $20 in cumulative extra spending versus the national average.
With a cost of living index of 99, San Antonio is near the national median. The Whole House Fan's monthly cost of $2.25 represents a typical share of the average San Antonio electric bill of $129/month. While no ENERGY STAR version is available, a smart Whole House Fan with automated scheduling can reduce consumption by 10%, saving $3/year.
San Antonio's moderate climate (avg 59.5°F) helps keep seasonal energy cost swings manageable for most appliances. A Whole House Fan produces approximately 0.14 tons of CO2 annually at typical usage. San Antonio residents can reduce this footprint by optimizing usage patterns, or investing in solar — see our solar savings calculator for San Antonio.
Compare All Energy Costs in San Antonio
See energy costs for 168+ household appliances at San Antonio's local electricity rate.