Furnace/HVAC Replacement Cost in San Antonio (2026)
Average cost in San Antonio
$5,500 – $18,000
$5 – $8 per sq ft
In San Antonio, the average is $11,584 and most projects cost between $5,500 and $18,000, or about $5 – $8 per sq ft. Prices are before tax and based on 10 sources.
Cost Breakdown
ItemizedCondenser, furnace/air handler, and new R-454B refrigerant
65%
Professional HVAC technician labor and disposal fees
25%
Sealing, plenum adjustments, and electrical upgrades
8%
City of San Antonio mechanical permit fees
2%
Sales Tax at 6.25%
📋What's Included
ScopeTypically Includes
- Furnace or AC unit
- Thermostat
- Basic ductwork connections
- Refrigerant
- Labor & installation
- Old unit disposal
Typically Excludes
- Full ductwork replacement
- Zoning systems
- Smart home integration
- Permits & inspections
- Humidifier or air purifier
Based on a standard 2,000 sq ft home with existing ductwork.
🧮Estimate your project
LiveYour estimate in San Antonio
Likely range $5,500 – $18,000
- Equipment & Materials65%$7,530
- Labor & Installation25%$2,896
- Ductwork & Modifications8%$927
- Permits & Inspections2%$232
Furnace only
$11,584
AC only
$12,662
Furnace + AC
$18,055
Heat pump (full system)
$22,369
Calibrated to 10 researched sources for San Antonio. Before tax. Real quotes vary with site conditions.
📈Price Momentum
Year-over-year~1 year ago
$10,297
Today
$11,584
Furnace/HVAC Replacement in San Antonio is ↑ 12.5% compared to roughly a year ago — about $1,287 more on the average project.
Comparison derived from the year-over-year change rate, not a month-by-month price index. We don't store historical snapshots yet — when we do, this will become a real time series.
🏢Top HVAC Replace Contractors in San Antonio
Verified providersAll About Air Conditioning & Heating LLC
1118 Waverly Ave, San Antonio, TX 78201, USA
377 reviews
Rosenberg Plumbing & Air
4335 Vance Jackson Rd Ste 505, San Antonio, TX 78230, USA
2,606 reviews
ASC Heating & Air Conditioning
410 W Rhapsody Dr Ste C, San Antonio, TX 78216, USA
552 reviews
Provider data sourced from public business directories. Ratings and reviews are public and may change. LookupCost is not affiliated with listed providers.
💬What People Actually Paid
Community❓Common Questions
Prices rose by approximately 10-20% due to the mandatory industry-wide transition to low-GWP refrigerants like R-454B and R-32, alongside stricter SEER2 efficiency standards that require more advanced and expensive equipment components.
Yes, CPS Energy provides rebates for high-efficiency cooling systems. Homeowners can typically receive between $200 and $1,200 in rebates depending on the SEER2 rating and system type (central AC vs. heat pump).
A standard residential mechanical permit from the City of San Antonio Development Services Department costs roughly $60. However, if the project requires additional electrical or plumbing work, total permit packages can range from $150 to $250.
With over 120 days per year reaching 90°F+, San Antonio homeowners often find that high-efficiency variable-speed systems (18+ SEER2) pay for themselves in energy savings within 5-7 years, significantly faster than the national average.
📊Our Methodology
How we collect dataAggregated from 10+ verified web sources and cost databases
Licensed contractor estimates and regional cost guides
Government construction and labor statistics
Community-reported project costs and reviews
Last data collection: 1 months ago. Updates run weekly. All costs in USD.
About this data
Cost figures are estimates synthesized from public market data using AI research and refreshed regularly. Real project costs vary by scope, materials, contractor, and site conditions. Always get verified quotes from licensed contractors for your specific project.
Spotted bad data? Let us know — we'll review and update.