Cost of furnace and ac installation — San Mateo, CA

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 Mateo

Also serving nearby: Hayward · Daly City · Oakland · Sunnyvale · Fremont

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More on this: ENERGY STAR — choosing efficient systems.

Service area details

Serving all of San Mateo — population 101,327; about 8,350 residents per square mile across 12.1 sq mi. ZIP codes covered include 94401, 94402, 94403, 94404, 94497.

Neighborhoods served in San Mateo: Bay Meadows, Edgewood, Laurel Creek, North Shore, Parrot Park, Shoreline — and every surrounding area.