AC & heating repair in Palo Alto, CA: we connect you with top-rated local HVAC pros, checked by our team — their proposals come straight to your Homeshi account. Free for property owners.
In Palo Alto, July highs average about 84°F and January lows about 39°F.
In Santa Clara County, July highs average about 84°F and January lows about 39°F, with roughly 24 inches of rain a year.
Over the last 10 years the National Weather Service recorded floods, hailstorms and flash floods in Santa Clara County, with hail up to 0.75 inches across. After a storm, a quick roof and gutter check catches damage before it turns into a leak.
The typical home in Santa Clara County was built around 1971, about 55 years ago, and 67% were built before 1980. Homes that age often need updated wiring, plumbing and roofs.
Santa Clara County has had 14 federal disaster declarations in the last 25 years, most often for wildfires; the latest was Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, And Mudslides (2023).
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Book the AC tune-up in spring and the heating check in fall, before the first real heat or cold — repair slots fill fast in a heat wave.
Central AC units usually last 12–15 years and furnaces 15–20; past that, a repair often costs more than it saves.
If the system is over 12–15 years old or needs a major part (compressor, heat exchanger), ask for both prices — the pro sends them on Homeshi so you can compare.
These are Santa Clara County figures — more about homes in San Jose.
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