AIS Heating & Air Conditioning
HVAC contractor in Fremont, CA.
In AIS Heating & Air Conditioning's own words
AIS is your full-service HVAC expert, trusted for residential AC, heating, and air quality since 2008. We handle everything from emergency AC repair and furnace installation to duct sealing and heat pump maintenance. We're locally operated, treating every customer like family. We provide transparent, no-surprise pricing and performance-backed work. Get superior quality, clear communication, and guaranteed satisfaction for all your heating and cooling needs. We are also a Diamond Certified company! Schedule service with the certified team that puts your comfort first.
- Trade
- HVAC contractor
- Business address
- 4432 Enterprise St Ste a, Fremont, CA 94538
- Telephone
- (510) 738-0252
- Website
- aisheatingandair.com
- Hours
-
- MondayOpen 24 Hours
- TuesdayOpen 24 Hours
- WednesdayOpen 24 Hours
- ThursdayOpen 24 Hours
- FridayOpen 24 Hours
- SaturdayOpen 24 Hours
- SundayOpen 24 Hours
From the business's Google listing, checked Oct 2026
- Register
- CA register
Recorded as supplied and as found in public sources. This register makes no credential or quality claim about any business; check license status with the state board.
Google Reviews
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Jose Arroyo provided excellent service. Filter changed. Cleaning done! All set for upcoming winter season. Thank you Stated "not sure" on price as: (no charge - 6 month follow up included in annual fee)
Joyce N.
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I was very fortunate to get an appointment today from AIS for service issue in my HVAC today. Mr Brenham Purves was the technician who attended my issue and he was very through and kind enough to answer all my questions. He did a through job in fixing the issue and helped me give an economical plan to protect my HVAC in future. Thanks.
Kamlesh M.
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There simply aren’t enough positive adjectives to describe our experience with Taylor Yenny .He was exceptionally personable, knowledgeable, professional, and incredibly informative throughout the entire visit. He diagnosed the problem with our AC quickly and had it repaired and functioning again within just a couple of hours. He took the time to explain what was happening, answer all of our questions, and make sure we understood both the issue and the solution. It was clear that he genuinely cared about doing a thorough job rather than simply getting in and getting out. He is an absolute asset to the AIS organization, and we couldn’t have been more impressed with his expertise, work ethic, and customer service. We would highly recommend him and AIS Heating & Air Conditioning to anyone looking for someone they can trust.
Christine H.
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Does a thorough job
Steve W.
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AIS was prompt, quick, and well versed in repairs to my HVAC. Great Service technician too!
Brian H.
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Outstanding customer service
Allen D.
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October 6, 2025 ⭐️⭐️⭐️⭐️⭐️ Art always returned every phone call and email promptly. I appreciate how much time, effort, and importance he placed on our order. Thanks again to him and his Team for their professionalism and excellent job. October 14, 2025 ⭐️⭐️⭐️⭐️⭐️ For our experience with AIS Heating and Air Conditioning Company, I am extremely impressed with the technicians, Fausto and Abel. Before the installation, they communicated with us thoroughly, patiently listening to our needs and offering professional advice. They addressed the removal of an old Gas Furnace and replaced it with a new Heat pump system. They worked hard, climbing into the attic and crawling through tight spaces, and did an excellent job. Once the system was in place, they carefully explained to us how to operate it. They are very professional and knowledgeable about the Heat Pump system. The installation looks tidy, and they did a fantastic job cleaning the site. Thanks again for their hard work and excellent job. I would highly recommend them and the AIS Team to anyone interested in Heat Pump installation. The final Heat Pump installation exceeded our expectations. Awesome! Sept. 21, 2026 ⭐️⭐️⭐️⭐️⭐️ We had a great experience with AIS Heating & Air Conditioning. Jose Arroyo was very professional, friendly, and helpful. He took the time to explain everything clearly and made sure everything was working properly before he left. We really appreciate his excellent service and would highly recommend him and AIS!
Daniel S.
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I am redoing my review, because the last one I gave was given a year ago when we were considering going with AIS. In the end we decided to go ahead with it, and the unit that they installed was delivered and installed expectations. They even made a secondary visit when an inspector found a slight problem. I do have concerns that they are a little bit pricier than other options, but I do believe in Price and performance metrics. And in that regard, I think AIS performs better than most others. In short, if I needed another air conditioning system, wouldn't hesitate to go back to them.
Timothy R.
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Good service
Bill W.
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Brenham conducted a thorough inspection of our heat pump and furnace. He cleaned the system, checked key parameters, and fully documented the readings. He also answered all my questions and gave great recommendations for long-term maintenance. Highly recommended!
Srirang L.
About AIS Heating & Air Conditioning
AIS heating and air work since 2008
AIS Heating & Air Conditioning says it has worked in the area since 2008. Its work includes air conditioning, heating, indoor air quality, HVAC installation, repair, maintenance, and furnace repair for residential and commercial properties.
The company also names ductless mini-split systems for homes without ductwork or for targeted comfort areas. It describes heat pumps as systems that combine heating and cooling, and offers financing for HVAC installation or replacement.
Fremont heating and cooling conditions
In Fremont, utility gas heats 72% of housing units, per the American Community Survey's 2024 figures. NOAA normals for 1991-2020 put Fremont's average temperature at 59.9 degrees F, with an average high of 70.0 degrees F and average low of 49.8 degrees F.
AIS names AC repair and maintenance, heating repair, furnace repair, and heat-pump maintenance among its services. AIS Heating & Air Conditioning also offers a maintenance agreement and a $59 AC tune-up.
AIS customer feedback and availability
Reviewers most often mention prompt appointments, technicians who explain their work, thorough inspections and repairs, and follow-up visits; a few mention pricing concerns.
The company is open 24 hours a day, seven days a week. It says its work is backed by a 100% satisfaction guarantee.
AIS Heating & Air Conditioning is Diamond Certified.
The company names Fremont, Livermore, and the Greater East Bay Area as its service area.
Services, brands and warranty details come from the company's own website. Ratings, hours and reviews come from Google. Town figures come from the US Census and NOAA.
More HVAC contractors in Fremont
About Fremont
| Population | 226,442 (2025) |
|---|---|
| County | Alameda County |
| Heating degree days | 2,428 |
| Most common heating fuel | Utility gas |
Sources: U.S. Census Bureau. NOAA U.S. Climate Normals 1991-2020.