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  2. California
  3. Foster City
  4. HVAC

The Best HVAC Company in Foster City

Compare top-rated hvac providers in Foster City. Profiles include verified reviews, service details, and direct contact options.

Service providers

Bayside Mechanical Inc.

Bayside Mechanical Inc.

2.7

From $50

Up to $500

Closed until Mon, 7:30 AM

At Bayside Mechanical Inc. in Foster City, we specialize in comprehensive HVAC services that keep your home comfortable all year round. We're more…

0 local residents requested quote requests

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Grimes Certified Air Duct Cleaning

Grimes Certified Air Duct Cleaning

0
Open today

From $50

Up to $500

Open 7:00 AM – 8:00 PM

In Foster City, we are Grimes Certified Air Duct Cleaning, experts in HVAC services. We specialize in thorough air duct cleanings and comprehensiv…

0 local residents requested quote requests

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Air Conditioning Champ

Air Conditioning Champ

5

From $50

Up to $500

Closed until Mon, 9:00 AM

In the heart of Foster City, we're Air Conditioning Champ – your reliable HVAC partner. Specializing in HVAC services, our mission is to ensure ho…

0 local residents requested quote requests

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Silicon Valley Air Systems, Inc

Silicon Valley Air Systems, Inc

0

From $50

Up to $500

Closed until Mon, 6:00 AM

At Foster City's Silicon Valley Air Systems, Inc, we understand that a malfunctioning HVAC system can disrupt your home's comfort. We are more tha…

0 local residents requested quote requests

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Verified HVAC in Foster City, CA

We show only active businesses that pass moderation. Results are specific to Foster City and nearby service areas, and inactive profiles are removed to keep the list current.

Real reviews for hvac

Ratings and reviews come from customers who used the service. Compare hvac pros in Foster City by experience, responsiveness, and value before you reach out.

Local-first search in Foster City

Filter by neighborhood, check locations on the map, and find providers close to home or work in Foster City. Listings are refreshed regularly — August 2026.

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HVAC near me in Foster City, CA - August 2026

Looking for hvac in Foster City? This page lists verified local providers with ratings, reviews, and contact options. We show active businesses only — profiles are moderated and updated by owners.

Compare pros by experience, price range, and customer feedback. Many providers offer free estimates or same-day service for common requests. Use filters and the map to find someone close to your address.

Before you hire

  • Read the most recent reviews for your specific type of job.
  • Ask about licensing and insurance when required for this trade.
  • Get a written estimate for work over a few hundred dollars.
  • Confirm availability and any trip or emergency fees upfront.

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    Yes. Browsing businesses, reading reviews, and comparing providers is free for everyone. Business owners can create a basic listing at no cost.

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What locals say about HVAC in Foster City

  • Rose Taylor
    Rose Taylor

    the technicians helped with a small commercial install and kept the process calm and organized. they coordinated access with our manager, protected the work area, and kept tools contained so our staff could keep moving. they explained the plan, then completed the installation and testing in a way that felt careful. i appreciated the clear estimate and the simple closeout notes. they also verified the unit was calbrated correctly and that the settings matched our operating hours. cleanup was complete and they hauled away packaging and old materials. the follow-up email included model numbers and a service schedule, which helps for our records. overall it was a steady, professional experience and the space has been comfortable since.

  • Elizabeth Mayer
    Elizabeth Mayer

    I used Air Conditioning Champ for a small commercial suite where the air felt uneven between rooms, and they approached it like a real diagnostic job instead of a quick patch. The crew checked the registers, measured temps, and looked over the control wiring before suggesting changes. They explained why teh back office was staying warmer and proposed a couple of solutions with prices up front. What stood out was the pace: they didn’t drag it out, but they also didn’t skip steps. After the work, they tested each zone, verified the fan settings, and made sure the noise level stayed reasonable. Cleanup was handled well, no dust piles or loose tape left behind. The office manager appreciated the clear invoice and the way they coordinated access around our client appointments. We also got a follow-up email with maintenance reminders and a contact line for any questions. Everything felt handled with care and consistency.

  • Ernest Ennis
    Ernest Ennis

    The technicians handled a cooling issue that had been bothering us for weeks, and the process felt well thought out. They listened to the symptoms first, then checked the outdoor unit and the indoor coil rather than jumping straight to a replacement pitch. When they found the likely cause, they explained what it meant and how it affects performance, including what happens when refrigerant is low and why that can show up as longer run times. The estimate was written clearly with labor and parts separated, and they didn’t rush me while I reviewed it. During the work, they covered the floor, moved equipment carefully, and kept the noise down as much as possible. Afterward, they tested the system, confirmed the temperature drop across the unit, and had me stand with them while it stabilized. they also answer my questions and was patient even when i repeat things, and the office person call back quick which help alot. Overall, the repair felt thorough and the house has been comfortable since.

  • yusuf zivari
    yusuf zivari

    The reception is mad all the time this is not a good attitude for Someone who’s doing business with others

  • Q Q
    Q Q

    "we're booked" They had no interest in helping me.

  • Mike Walker
    Mike Walker

    Excellent Heating & Air Conditioning company in San Francisco Ca. The only professional Heating & Air Conditioning company that is a one stop shop. From Mechanical design to installation and repair they do it all. There owner is a Mechanical Engineer who is top in his field.

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