Gas Furnace in San Antonio — $97/yr to Run (13.5¢/kWh)
Your gas furnace in San Antonio costs about $8/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
$0.65
4.8 kWh/day
Monthly Cost
$8.10
60 kWh/mo
Annual Cost
$97
720 kWh/yr
Lifetime (20yr)
$1,944
energy only
Monthly Cost Breakdown in San Antonio
| Period | kWh | San Antonio Cost | National Avg | Difference |
|---|---|---|---|---|
| Daily | 4.8 | $0.65 | $0.62 | +$0.02 |
| Weekly | 33.6 | $4.54 | $4.37 | +$0.17 |
| Monthly | 60.0 | $8.10 | $7.80 | +$0.30 |
| Quarterly | 180.0 | $24.30 | $23.40 | +$0.90 |
| Annual | 720.0 | $97.20 | $93.60 | +$3.60 |
Customize Your Gas Furnace Cost
Adjust usage hours and electricity rate to calculate your exact cost in San Antonio.
Daily
$0.65
Monthly
$8.10
Annual
$97
20-Year
$1,944
Energy Saving Tips for Gas Furnace in San Antonio
- ✓San Antonio electricity rates are 4% above the national average — energy efficiency matters more here.
- ✓An ENERGY STAR Gas Furnace in San Antonio saves ~$15/year compared to standard models.
- ✓A smart Gas Furnace with scheduling optimization can save ~$15/year at San Antonio rates.
- ✓Replace air filter every 3 months
- ✓Seal ductwork leaks
- ✓Schedule annual maintenance
ENERGY STAR Savings: Upgrading to an ENERGY STAR Gas Furnace in San Antonio saves approximately $15/year at local rates — $292 over the appliance lifetime.
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
Gas Furnace Cost in Other Texas Cities
| City | Rate | Annual Cost | vs San Antonio |
|---|---|---|---|
| San Antonio (current) | 13.5¢ | $97 | — |
| Houston | 12.6¢ | $90 | $-7 |
| Dallas | 14.0¢ | $101 | +$4 |
| Austin | 14.3¢ | $103 | +$6 |
| Fort Worth | 14.3¢ | $103 | +$6 |
| El Paso | 14.2¢ | $102 | +$5 |
| Arlington | 12.4¢ | $89 | $-8 |
| Corpus Christi | 15.0¢ | $108 | +$11 |
| Plano | 12.0¢ | $86 | $-11 |
Gas Furnace Energy Cost FAQ — San Antonio, TX
Understanding Gas Furnace 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 moderate-draw appliance like the Gas Furnace (600W) at San Antonio's rate of 13.5¢/kWh costs approximately $97 per year — $4 more than the national average of $94.
San Antonio rates are 4% above the national average — a modest premium that adds $4 per year to Gas Furnace operating costs. Over the appliance's 20-year lifespan, that's $72 in cumulative extra spending versus the national average.
With a cost of living index of 99, San Antonio is near the national median. The Gas Furnace's monthly cost of $8.10 represents a typical share of the average San Antonio electric bill of $129/month. Upgrading to an ENERGY STAR Gas Furnace can cut energy use by up to 15%, saving approximately $15 per year at San Antonio rates.
San Antonio's moderate climate (avg 59.5°F) helps keep seasonal energy cost swings manageable for most appliances. A Gas Furnace produces approximately 3.2 tons of CO2 annually at typical usage. San Antonio 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 San Antonio.
Compare All Energy Costs in San Antonio
See energy costs for 168+ household appliances at San Antonio's local electricity rate.