Compare HVAC contractors in Ontario, California with websites, phone numbers, addresses, and company profiles. Updated August 2026.
1 HVAC company in Ontario · showing 1 nearby within 100 miles.
Ontario Refrigeration marks 60 years of operation, offering HVAC, refrigeration, and automation services across the western United States. The site showcases a portfolio of commercial projects, outlines maintenance and control solutions, and highlights a network of twelve regional offices. Emphasis is placed on energy‑cost management and technical expertise for clients.
Closest available companies in nearby cities.
UV Resources delivers UV‑C air‑disinfection systems for HVAC applications, featuring the RLM Xtreme unit, lamp kits, and the UVCONFIG design tool. Their unified UVR [X] and Steril Aire brands serve commercial, healthcare, transportation, and hospitality sectors, emphasizing maintenance reduction, energy savings, and proven performance through case studies for facility operators.