• SubZero HVAC/R is your trusted local expert for residential and commercial HVAC and refrigeration in Riverside and surrounding areas. We offer reliable service, fast response times, and energy-efficient solutions—all backed by years of hands-on experience. From AC installs to walk-in cooler repairs, count on SubZero for quality work at competitive prices.

    Customer-First Approach

    At SubZero, you’re not just another service call. We believe in honest work, fair pricing, and long-term customer relationships built on trust and transparency.

    Fast, Reliable Service

    We know downtime isn’t an option—especially when it comes to refrigeration. That’s why we prioritize prompt response times and efficient repairs, minimizing disruptions to your home or business.

    Energy-Efficient Solutions

    We help you save on energy costs without sacrificing performance. From smart thermostats to eco-friendly refrigerants, we deliver systems that are good for your wallet—and the planet.

    Custom Solutions for Every Space

    No two projects are alike. We assess your unique needs and design tailored HVAC and refrigeration systems that maximize performance, longevity, and comfort.

    Expertise You Can Count On

    Our certified technicians are trained in the latest HVAC and refrigeration technologies. We specialize in both residential and commercial systems, ensuring your environment stays comfortable and energy-efficient year-round.


    Areas We Serve

    We proudly serve Riverside, CA, and nearby cities including:

    • San Bernardino
    • Moreno Valley
    • Corona
    • Temecula
    • Fontana
    • Murrieta
    • Ontario
    • Rancho Cucamonga
    • And the greater Inland Empire

    Book an Appointment With Us

    Transform your home with SUBZERO HVAC/R top HVAC and Refrigeration experts! Trusted for excellence and award-winning service. Book now for a cozier, energy-efficient future!

    Need Faster Service?

    Our online scheduler shows limited availability—typically for just one technician. We have a full team of skilled technicians ready to help!
    If you don’t see an appointment that works for you, please call us directly. We may have earlier openings available by phone.