At the core of OSS HVAC lies a small family-owned business ethos that guides every facet of our operations. From our humble beginnings in Gilroy, CA, we’ve kept at our heart the belief that every customer is an extension of our own family. This principle has not only shaped our approach to service but has also fostered a network of satisfied clients who trust us implicitly with their comfort needs. We pour our family values into every project, big or small, ensuring a personalized service experience that stands out in today’s fast-paced world.