Refrigeration Unlimited - California: Professional HVAC Repair Serving Corona, CA 92880

We provide comprehensive commercial solutions, including planning, consulting, system design, installation, and 24/7 maintenance for HVAC and refrigeration. Our expertise has expanded to include high voltage electrical work, EMS controls integration, and industrial refrigeration systems. Founded in 1993, we focus on delivering reliable, professional service tailored to the needs of businesses in the Corona area and beyond.

Absolutely. Thermostat connectivity issues are a common local concern, often stemming from wiring problems, outdated equipment, or Wi-Fi interference. Our technicians can diagnose the root cause, whether it's a simple fix, a thermostat replacement, or an assessment of your broader HVAC system's compatibility. We ensure your home's climate control is reliable and efficient.

Our leadership, including Sean with over 13 years in roles from Project Manager to Executive, holds advanced engineering and business degrees, emphasizing strategic, value-driven solutions. This depth of experience means we approach every Corona project—from a small repair to a large commercial installation—with professional rigor, careful planning, and a focus on long-term reliability that meets local demands and building codes.