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Fall Savings - $79 Furnace Tune-Up Call 510.792.4328 SCHEDULE NOW

HVAC Repair, Maintenance & Installation in Los Altos, CA

Air leaks, furnace failures, poor maintenance, and worn-out HVAC systems can make you downright uncomfortable. At AIS Heating & Air Conditioning, we know that comfort isn’t always guaranteed. But we do guarantee that when your systems falter and fail, we will go the extra mile to restore your systems to operational condition. Our NATE-certified HVAC specialists can install, replace, and maintain the heating and cooling systems you depend on throughout the year!

Contact AIS Heating & Air Conditioning at (510) 792-4328 to learn more about the heating and cooling services we offer in Los Altos and surrounding communities.

Air Conditioning Services in Los Altos

Regional temperatures regularly climb above 80 degrees. When it’s hot outside, you can depend on our team to help you chill out and relax. Our air conditioning specialists can perform accurate load calculations and help you select the system best suited for your needs.

We proudly offer the following cooling services:

Contact AIS Heating & Air Conditioning at (510) 792-4328 to schedule air conditioning service in Los Altos today!

Heating Services in Los Altos

While it doesn’t drop below freezing in Los Altos, winter temperatures can hover in the 40s. We can help you stay warm and cozy no matter how cold it gets outside! Our NATE-certified HVAC technicians provide reliable gas, electric, and oil furnace services, including:

We maintain a complete parts inventory and can service most major brands.

Contact AIS Heating & Air Conditioning online or call (510) 792-4328 to schedule furnace service in Los Altos today!

Ductless Mini-Split Services in Los Altos

Ductless AC offers a cost-effective, energy-efficient, and eco-friendly solution that will provide precise cooling comfort. Often lasting over 20 years, ductless mini-splits are a solid investment that is ideal for apartments, creating zoned residential systems, offices, and more. AIS Heating & Air Conditioning proudly offers:

Contact AIS online or call (510) 792-4328 to schedule ductless mini-split services in Los Altos today!

Call 510.792.4328 Schedule Service Today

Heat Pump Services in Los Altos

Heat pumps can keep you cool in summer and warm in winter. These cost-effective, energy-efficient, eco-friendly, and dependable systems are increasingly popular in Los Altos.

The AIS team can provide comprehensive heat pump services, including:

Reach out to AIS online or call (510) 792-4328 to schedule heat pump service in Los Altos today!

Depend On AIS Heating & Air Conditioning for 24/7 HVAC Services in Los Altos

Since 2008, our Diamond Certified technicians have proudly served clients in Fremont, Livermore, Los Altos, and more. Our family-owned HVAC service provider is proud to be the San Francisco Bay Area’s most reliable, trustworthy, and knowledgeable team.

We will always go the extra mile to ensure your comfort. We proudly offer Bryant systems and are always happy to provide free estimates on new equipment. Whether you need a thermostat upgrade, ductwork repair, air purifier installed, or energy audits performed, we are ready to serve!

Contact AIS Heating & Air Conditioning at (510) 792-4328 to learn more about our HVAC services and how our team can help you enjoy superior comfort in Los Altos today!

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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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