Cost of ac unit installation — San Mateo, CA

Last updated: September 24, 2026

What affects the price

When you are looking at the price of a new HVAC system, several variables come into play. The total depends heavily on the square footage of your home, the existing ductwork condition, and the efficiency rating of the unit you choose. Opting for advanced features like smart thermostats or high-performance air filtration will also shift the final number. If we need to modify your home’s electrical setup or gas lines to accommodate the new equipment, that adds to the labor requirements.

About this service

Replacing your cooling system involves more than just the price of the hardware. Several factors influence the final bill, including the size of your home, the efficiency rating of the new unit, and any necessary modifications to your existing ductwork. We provide a full assessment of your unique setup, with exact pricing confirmed free on the call.

When summer heat hits, your HVAC system works its hardest. If you are dealing with an aging unit or frequent breakdowns, a new installation can significantly lower your energy bills while improving indoor air quality. We move fast to get your cooling system running, ensuring you stay comfortable even when temperatures climb outside. Call us today to discuss your cooling needs.

Frequently asked in San Mateo

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

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More on this: DOE home heating — system sizing and savings.

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: Baywood, Edgewater, Highlands, Manor, Shoreview, Willow Creek — and every surrounding area.