Cost of furnace and ac installation — San Antonio, TX

Last updated: September 24, 2026

What affects the price

When you look at replacing your HVAC system, several variables shape the final bill. The size of your home and the specific ductwork required play a major role in labor time. Then there is the efficiency rating of the unit itself; higher-rated systems cost more upfront but often lower monthly utility bills. You also have to consider the brand, the type of fuel source, and whether you need to upgrade electrical components to handle the new equipment. Exact pricing confirmed free on the call.

About this service

Replacing both your furnace and air conditioner at once is often more cost-effective because the technician can calibrate both systems to work together perfectly. Prices vary based on the fuel source, equipment efficiency, and labor hours required to swap out both units simultaneously. When replacing aging systems, doing both provides long-term peace of mind. Exact pricing confirmed free on the call.

Frequently asked in San Antonio

Also serving nearby: New Braunfels · Austin · Round Rock · Georgetown · Killeen

All cities in Texas →

More on this: ENERGY STAR — choosing efficient systems.

Service area details

Serving all of San Antonio — population 1,495,295; about 2,997 residents per square mile across 498.9 sq mi. ZIP codes covered include 78201, 78202, 78203, 78204, 78205, 78206, 78207, 78208.

Neighborhoods served in San Antonio: The Pearl, Alamo Heights, King William Historic District, Downtown San Antonio, Southtown — and every surrounding area.