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N.02 / SAN JOSE

AC Installation in San Jose.

San Jose runs hot, and a lot of its homes are still on their first system. We make the 45 minute run down 680 or 880 for exactly this work: fresh load calc, written proposal, and a replacement sized to your house instead of whatever number the old unit carried.

We install across San Jose, Willow Glen, Cambrian, Almaden Valley, Berryessa, Evergreen, and downtown included. Every job gets a Manual J load calculation, a pulled permit, and a written line item proposal before a single part goes on order.

New residential AC condenser installed beside a home in San Jose, Bay Area
What we install in San Jose

Sized right, installed once.

Why Onzone in San Jose

Why San Jose calls Onzone.

San Jose-local installs

Big stretches of San Jose date to the 1950s and 60s, and in Cambrian and Willow Glen the original equipment is still wheezing through summer in plenty of houses. We replace those systems, and where a house never had central air we install the full ducted setup, anywhere in the city.

Sized for the local climate

San Jose is hotter and drier than the East Bay, and it is not one climate either: Almaden and Evergreen run hotter than downtown. The Manual J takes both the neighborhood and the house into account, so the system carries a cooling season that runs long here.

Written proposal, permits included

You get a line-item proposal covering equipment, labor, permit, and disposal before anything is ordered. We pull the permit and handle the city inspection, so the price you approve is the price you pay.

FAQ

San Jose AC installation questions.

Do you pull San Jose permits?

Yes. Permit and inspection are included and handled by us, filing through final signoff.

My Cambrian house has its original AC. Full replacement?

Usually yes, once it is decades old and failing. Systems from that era were often sized by rule of thumb, so we run a fresh load calc and let your actual house pick the size.

Does the neighborhood change the sizing?

It can. Almaden and Evergreen see hotter afternoons than downtown, and the load calc carries that difference, so you are not under cooled on the worst days of the year.

Just need a repair?

Start with AC repair in San Jose. We recommend replacement only when the math backs it, and we show you that math in the proposal.

Nearby areas

AC installation near San Jose.

Also in San Jose: AC Repair, HVAC Installation, Heat Pump Installation, Furnace Installation.

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