Furnace Replacement Cost in San Antonio, TX (2026)
Cost breakdown
| Item | Low | High |
|---|---|---|
| Furnace unit | $1,650 | $3,550 |
| Labor & installation | $1,000 | $2,100 |
| Venting & gas line | $400 | $850 |
| Thermostat & materials | $250 | $550 |
Cost by fuel type
| fuel type | Low | High |
|---|---|---|
| Gas furnace | $3,300 | $7,050 |
| Electric furnace | $2,350 | $5,650 |
| Oil furnace | $4,700 | $8,450 |
| High-efficiency (95%+ AFUE) | $4,700 | $9,400 |
Top-rated HVAC pros in San Antonio
Vetted local companies serving San Antonio, TX. Compare free quotes — no obligation.
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1
SA Specialties☎ 210-658-0440
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2
Rosenberg Plumbing & Air☎ 210-798-8000
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3
Elmer's Home Services☎ 210-369-4313
Local companies compiled from public sources. Details shown for reference — always verify licensing before hiring.
Estimate your Furnace Replacement cost
A Furnace Replacement in San Antonio, TX typically costs between $3,300 and $7,050, with most homeowners paying around $5,150. Costs in San Antonio run below the national average, driven by local labor rates and permit fees.
Below is a full cost breakdown, a price comparison by fuel type, the factors that move the price in San Antonio, money-saving tips, and how to hire the right pro. Prices are based on 2025–2026 industry data and updated regularly.
Furnace Replacement in San Antonio: local factors that affect your cost
San Antonio has long, hot summers, periodic drought, and occasional damaging hail. With one of the longest cooling seasons in Texas, right-sizing and regular maintenance keep bills in check against hard-water and dust.
The City of San Antonio requires permits and inspections for roofing and HVAC work. For the best pricing, aim for winter, the local off-season for contractors. A local HVAC contractor who knows San Antonio’s conditions and codes will give you the most accurate quote — request a few below to compare.
What's included in the cost
- The new furnace unit
- Labor, venting, and gas-line connection
- Removal of the old furnace
- New thermostat and permit
What affects the price
- Fuel type (gas, electric, or oil)
- AFUE efficiency rating
- Furnace size (BTU output)
- Venting and gas-line modifications
How to save on Furnace Replacement in San Antonio
- Buy in the off-season
- Choose the right AFUE for your climate
- Claim high-efficiency tax credits and rebates
- Bundle with AC replacement to save on labor
Get free quotes for Furnace Replacement
Tell us about the job — local, vetted pros will reach out with real prices. No obligation.
How to hire the right pro
- Confirm licensing and insurance
- Ask for correct BTU sizing
- Get AFUE and warranty in writing
- Get multiple itemized bids
Frequently asked questions
How much does a Furnace Replacement cost in San Antonio?
In San Antonio, TX, a Furnace Replacement typically costs $3,300 to $7,050 (average about $5,150). Your exact price depends on the specifics below.
Do I need a permit for a Furnace Replacement in San Antonio?
The City of San Antonio requires permits and inspections for roofing and HVAC work. A licensed local contractor should pull the permit and handle inspections as part of the job.
Cost figures are based on 2025–2026 industry data (HomeGuide, Angi) and adjusted for local labor rates. Actual prices vary by project — get free local quotes for an exact figure.