Quick Answer

Furnace/HVAC Replacement Cost in San Antonio (2026)

Average cost in San Antonio

US$11,584avg

US$5,500 — US$18,000

US$5 — US$8 per sq ft

+12.5% YoY
10 sources
Updated 3 days ago
Texas

Cost Breakdown

Itemized
Equipment & Materials

Condenser, furnace/air handler, and new R-454B refrigerant

US$3,500 — US$11,500

65%

Labor & Installation

Professional HVAC technician labor and disposal fees

US$1,500 — US$4,500

25%

Ductwork & Modifications

Sealing, plenum adjustments, and electrical upgrades

US$440 — US$1,750

8%

Permits & Inspections

City of San Antonio mechanical permit fees

US$60 — US$250

2%

🧾Sales Tax (6.25%) — Texas
Base cost + $724 tax$12,308

Sales Tax at 6.25%

📋What's Included

Scope

Typically 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 Cost

Interactive

Estimated Cost

US$6,440

US$5,152 — US$7,728

Based on 10 sources and market data for San Antonio. Actual costs may vary depending on specific project requirements.

📈Price Momentum

Year-over-year

~1 year ago

US$10,297

Today

US$11,584

Furnace/HVAC Replacement in San Antonio is 12.5% compared to roughly a year ago — about US$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 providers
🔨

All About Air Conditioning & Heating LLC

1118 Waverly Ave, San Antonio, TX 78201, USA

5.0
★★★★★

344 reviews

🔨

Affordable Air LLC

3742 Electra Dr, San Antonio, TX 78218, USA

5.0
★★★★★

117 reviews

🔨

Champion AC

114 W Rhapsody Dr, San Antonio, TX 78216, USA

4.9
★★★★½

839 reviews

🔨

ASC Heating & Air Conditioning

410 W Rhapsody Dr Ste C, San Antonio, TX 78216, USA

4.9
★★★★½

543 reviews

🔨

Rosenberg Plumbing & Air

4335 Vance Jackson Rd Ste 505, San Antonio, TX 78230, USA

4.9
★★★★½

2,600 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 data
1

Aggregated from 10+ verified web sources and cost databases

2

Licensed contractor estimates and regional cost guides

3

Government construction and labor statistics

4

Community-reported project costs and reviews

Last data collection: 3 days 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.