New Furnaces From $3,499
Furnace Replacement San Antonio
A new gas furnace, installed by our in-house crew, with a written all-in price — no salesman, no upsell games. Most installs done in a single day.
Carnes and Sons is a family-owned, Texas-licensed (TACLB29435E) HVAC company serving San Antonio since 2010. New gas furnaces installed from $3,499 (80% AFUE) up to ~$9,500 for premium Carrier two-stage systems. Written price up front, financing available, most installs completed in a single day. Call or text Clint directly at (210) 600-5091.
Real San Antonio furnace pricing
All-in installed prices — equipment, labor, venting, permits, haul-off. No add-ons after the fact.
Goodman 80% AFUE
60k – 120k BTU
$3,499 – $5,200
The smart-buy for most San Antonio homes. 10-year parts warranty.
Goodman 96% AFUE
60k – 120k BTU
$5,400 – $7,200
High-efficiency two-stage. Best when you already vent through the side wall.
Carrier Performance 96%
60k – 120k BTU
$7,400 – $9,500
Quiet two-stage variable speed. Premium comfort, 10-year parts.
Want the exact number for your home? Text Clint at (210) 600-5091 →
Why families pick Carnes and Sons
In-house install crews
Most of our installers have been with us 10+ years. No day-labor, no sub-contractors.
Written price up front
Real all-in number — equipment, venting, gas line, permits, haul-off. No 'while we're in there' surprises.
Carrier Factory Authorized + Goodman
Two solid brands at two price points. We don't push the most expensive option — we recommend what fits your house.
Same-day quotes, next-day install
Most furnace replacements are scheduled within 24–48 hours. Through the cold snap? We move heaven and earth.
Need to spread the cost? Financing with Synchrony and FTL Finance — same-as-cash and low monthly options, approval in minutes.
What Your Neighbors Are Saying
Heating help across the site
Furnace replacement in your neighborhood
Furnace replacement across the greater San Antonio area
Carnes and Sons Air Conditioning
License TACLB29435E · Family-Owned Since 2010
San Antonio, TX 78258(210) 600-5091
Cities & neighborhoods we serve
San Antonio · Stone Oak · Alamo Heights · Hollywood Park · Hill Country Village · Shavano Park · Castle Hills · Leon Valley · Helotes · Boerne · Fair Oaks Ranch · Bulverde · Timberwood Park · Garden Ridge · Schertz · Cibolo · Selma · Universal City · Live Oak · Converse · Windcrest · New Braunfels
Ready for a real furnace quote?
Your call rings my phone — no call center, no commissioned salesman. We'll give you the number straight.