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Based in San Jose, CA, Ozone Service is a trusted local HVAC contractor specializing in HVAC system repair, installation, and replacement. With a clear focus on ensuring your home’s comfort and efficiency, our team is dedicated to providing top-notch service for all HVAC needs. Customers appreciate our commitment to reliability, prompt service, and expert workmanship—a dedication that has enabled us to build lasting relationships throughout the community. At Ozone Service, we understand the importance of a properly functioning HVAC system, especially in a climate that can demand seasonal changes. Our experienced technicians use the latest in...
Ozone Service
Home Care & Success Stories
Ozone Service
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Kevin K.
Review from Google
Wendy P.
Technician Andrew came on time , he quickly found the problem and only take a few minutes to have the gas furnace light turned on, our gas heater is running now, Andrew is a very polite young man and very professional, we recommend this AC business for anyone who need for the AC service.
Review from Google
Zenan Z.
Excellent service detail, oriented, and complete on time!
Review from Google
Juan R.
10 star if I could. Furnace went out weeks ago and I put out a bid request on Yelp. The first company I hired (Global HVAC) charged me $250 for a fix that failed the very next day. I called and the company said I should replace the motherboard for another $1,000. Instead, I called Ozone and Andrew came out on short notice. He found a rusted connector within minutes and replaced the piece AT NO COST!!! Shocking! He said he couldn't charge me because he didn't repair anything on the furnace and they don't charge for diagnostic. Unheard of. Ozone is the Nordstrom of HVAC. Amazing, reliable, and trustworthy service. I'm hiring them for my AC unit next. Thanks you Andrew!
Review from Google
Juan R.
10 star if I could. Furnace went out weeks ago and I put out a bid request on Yelp. The first company I hired (Global HVAC) charged me $250 for a fix that failed the very next day. I called and the company said I should replace the motherboard for another $1,000. Instead, I called Ozone and Andrew came out on short notice. He found a rusted connector within minutes and replaced the piece AT NO COST!!! Shocking! He said he couldn't charge me because he didn't repair anything on the furnace and they don't charge for diagnostic. Unheard of. Ozone is the Nordstrom of HVAC. Amazing, reliable, and trustworthy service. I'm hiring them for my AC unit next. Thanks you Andrew!
Review from Yelp
nelson l.
We were having issues with our furnace running and then stopping unexpectedly, so I decided to schedule a diagnostic appointment. The booking process was super easy, and they were able to get Alexander out to us the very next day.
Alexander is honestly the best. He is incredibly knowledgeable and was so patient throughout the whole process. He took the time to explain every step of his workflow as he went along. He tested every single thing that could possibly go wrong to make sure we wouldn't run into issues again. We will definitely be reaching out to Ozone for any future needs. Five stars!
Review from Yelp
Jan 29, 2026