Cold Temp Solutions is a licensed mechanical contractor (CSLB #1043411) based in Martinez, California, specializing in industrial and commercial refrigeration systems. The company serves food storage, pharmaceutical, post-harvest, and winery facilities across the San Francisco Bay Area and Northern California. Services include system design, engineering, installation, BAS automation, and 24/7 emergency response for ammonia (NH₃), CO₂ transcritical, and HFC refrigerant systems.