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HVAC Services in Fremont, CA

AIS Heating & Air Conditioning is a full-service HVAC company serving Fremont and the surrounding areas. Our team is fully committed to providing clients with an excellent experience from the moment you connect with our team until the project is finished and beyond. We treat our clients as part of the family by offering unparalleled customer service, complete satisfaction, and guaranteed solutions no matter the size or scale of the job.

Our HVAC contractors offer a full range of services, including:

  • HVAC installation
  • HVAC replacement
  • HVAC repair
  • HVAC maintenance
  • Duct services

Searching for an HVAC company “near me” that offers top-class service and a satisfaction guarantee? Connect with AIS online to schedule service, or call 510-792-4328!

HVAC Installation in the Bay Area

A new home comfort system needs to be carefully chosen according to your unique home needs, and it should be designed to maximize comfort and performance while minimizing energy waste. AIS is the company to trust for leading heating and cooling installation services. We work hard to make certain that our clients get the peerless products and dependable results they deserve.

24/7 HVAC Retrofit and Replacement

When your heating and cooling equipment begins to fall behind, trust our leading HVAC company for the quality replacement services you need. We are highly adept at matching homeowners with a new system that is more efficient, more reliable, and the ideal match for our Fremont-area seasons.

Not sure if you’re getting the most from your current HVAC systems? Connect with AIS to schedule an energy audit and let our HVAC contractors help you save money while boosting comfort!

HVAC Repair Services in the Bay Area

When you contact AIS for heating and cooling repair services, we will have a trained, licensed HVAC technician on the way and ready to help as soon as possible. We keep our service vehicles fully stocked with parts and diagnostic tools, enabling us to provide same-day service whenever possible.

Custom Maintenance Agreements

Keeping your furnace, heat pump, or central AC system working at its most efficient is the ideal way to minimize costs and optimize your comfort. AIS offers tailored maintenance program tiers that provide all of the cleaning, assessments, and performance evaluations your systems need in order to work optimally all year long.

Schedule Service With Bay Area HVAC Contractors at AIS

Since 2008, our HVAC company has been focusing on what works best for homeowners in Fremont. We’ve built our reputation on quality workmanship and a dedication to your full satisfaction, providing unparalleled customer services and peerless products in order to make certain we’re doing all we can to meet our clients’ needs.

We are a full-service local HVAC contractor, offering:

Need to schedule HVAC services? Call 510-792-4328 or schedule service with AIS online now!

Call 510.792.4328 Schedule AC Service Now

Frequently Asked Questions About HVAC


How do I determine what size HVAC unit I need?

It’s no light matter determining the size of your HAVC system. To ensure your home is properly heated and cooled, a technician considers factors such as insulation, ceiling height, local climate, and the square footage of your home to help you select the right size system.


If I replace my indoor unit, do I need to replace my outdoor unit too?

When you replace one unit, it is usually recommended that you replace the other unit as well. This ensures that your systems are compatible and efficient, working together to increase your system performance. A mismatched unit can do the opposite, leading to increased energy consumption and higher energy bills.


How do I find out if my HVAC unit is under warranty?

 To find out if your HVAC unit is under warranty, check your owner’s manual or look for a warranty sticker on the unit itself. You can also reach out to your installation company or directly contact the manufacturer for assistance with your warranty coverage.


What are SEER ratings?

SEER ratings, or Seasonal Energy Efficiency Ratio, provide vital information about the efficiency of your air conditioning system. The higher the SEER rating, the more efficient your system is at cooling your home. It is used to compare the efficiency of AC models in the industry.


How often should I schedule a tune-up for my HVAC unit?

While HVAC tune-ups can happen at any time of the year, it’s highly recommended to schedule regular maintenance for your heating and cooling systems before the beginning of each season. This ensures your system is operating optimally before extremely cold or hot weather begins.


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  • Great service. Great price. We are nice and warm! Highly recommend Art and his team. No pressure to buy and they ensured perfect installation once we did. Thank you!

    Brooke

  • Scheduled quickly, efficient inspection, no-nonsense quote, great product.

    Barrington

  • The team showed up right on time, were courteous, professional and hardworking people, and finished the massive job an hour ahead of schedule. We absolutely love our new system.

    Leo

  • Superb work, kind, not rushed and thoughtful in answering questions. You can’t find better than this company.

    Raymond
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One Happy Customer at a Time

  • “The team at AIS has been wonderful from beginning to end. They even followed up for my complimentary maintenance even though I forgot to follow with them. They were able…”

    Sheenah E.

  • “I got quotes from three companies for doing a furnace and duct replacement and a/c installation. Ray Linden who came out from AIS to do the initial scoping and estimate…”

    Uday K.

  • “When my plumbing leaked and into my furnace enclosure I had a big problem. Temperatures dropping and water leaking everywhere. Called a few places and no one seemed real anxious…”

    Michael D.

  • “Daniel and his company are beyond excellent! His company, installers, and office staff clearly take the time for their customers and are willing to go the extra mile. I had…”

    B.B.

  • “Great service. Great price. We are nice and warm! Highly recommend Art and his team. No pressure to buy and they ensured perfect installation once we did. Thank you!”

    Brooke

  • “We had our furnace installed by these guys A little over a year ago. They came back for a free check up today and their service technician. Sergio was absolutely…”

    Patrick

  • “Scheduled quickly, efficient inspection, no-nonsense quote, great product.”

    Barrington

  • “I recently had the pleasure of working with Taylor and Diego from AIS Heating for my first-year inspection of my heat pump and furnace and I couldn't be happier with…”

    Stan

  • “Taylor always does a great job managing our HVAC maintenance. He’s professional, friendly, efficient, communicative and thorough. He is very knowledgable and always works through any issues. He is our…”

    Barbara

  • “AIS Heating & AC is the best by far. Gabe came for our regular furnace service and he is great to work with! Spends the time, answers all questions, he…”

    Rich

  • “The team showed up right on time, were courteous, professional and hardworking people, and finished the massive job an hour ahead of schedule. We absolutely love our new system.”

    Leo

  • “This review is overdue. We had our full HVAC replaced this last spring and decided to go with AIS after speaking with three different companies. AIS wasn't the cheapest quote…”

    Crystal

  • “Superb work, kind, not rushed and thoughtful in answering questions. You can’t find better than this company.”

    Raymond

  • “Our AC stopped working on a day projected to be 107 degrees. I called before business hours and got the answering service, they were helpful and set up a time…”

    Desiree

  • “Daniel from AIS saved the day! He was able to fix our broken AC unit in no time. We’re very grateful to him for working after hours to help us…”

    Casey

  • “Sergio S had come the first time to diagnose an issue with secondary pipe overflow. He correctly diagnosed it and asked me to have a plumber drain out a pipe…”

    Claudia

  • “AIS was able to move up my original appointment, which was welcomed since my AC outage was happening during a heat wave and a Holiday. Taylor arrived on time. Immediately…”

    Ken

  • “I had a large wall AC installed 5 years ago by AIS. It has been wonderful and a life saver with these heat waves. Today Sergio, who is amazing, came…”

    Michelle

  • “Everyone we have dealt with at AIS is friendly, knowledgeable and very professional. There is no pressure, just great information. We are going to have our ducts repaired, and a…”

    Douglas
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