About Ozone Service

Ozone Service is a licensed HVAC and electrical contractor based in San Jose, serving the greater Bay Area, including Sunnyvale, Santa Clara, Cupertino, Mountain View, Campbell, and Los Gatos. They specialize in heat pump installation, AC and furnace replacement, and ductless mini-split systems, offering emergency HVAC repair and maintenance for all major brands. Customers appreciate the team’s professionalism and knowledge, often highlighting their transparent pricing and comprehensive service, which includes free estimates and diagnostics. Technicians like Ilya and Andrew have received praise for their quick responses and thorough inspections, addressing issues efficiently. Clients have noted the company’s support in transitioning from gas to electric systems, taking advantage of BayREN rebates and federal tax credits. The installation process is described as smooth and hassle-free, with detailed itemized quotes provided upfront, ensuring no surprises. Ozone Service is known for its commitment to customer satisfaction, offering 24/7 availability and long-term maintenance plans. Many customers express their intention to use Ozone Service for future HVAC needs, showcasing their trust in the team's expertise. Overall, Ozone Service stands out for its reliability, efficiency, and dedication to delivering high-quality service to both residential and commercial clients.

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Reviews for Ozone Service

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  • Aug 2026

    Konstantine and Paul (and one other) were excellent. Price as the best among 5 quotes. Professional. Replaced our 3.5 ton carrier gas+AC with a daikin 3.5 ton heat pump in 2 days (all to code with permits, inspectors pending).

  • Aug 2026

    On a 90+ day Andrew came out and fixed 12 years old system. Prompt service.

  • Aug 2026

    From requesting service to completing service took no longer than 24 hours. Luckily it wasn't too hot but it was going to get hotter soon. Reassured that the coolant was not a problem. Turned out to be an electrical issue for the compressor. Also explained the air distribution system. The technician was patient with my hearing issues 🙉 I recommend them.

Hours

Monday: Open 24 hoursTuesday: Open 24 hoursWednesday: Open 24 hoursThursday: Open 24 hoursFriday: Open 24 hoursSaturday: Open 24 hoursSunday: Open 24 hours