Oasis Plumbing, Heating & Air Conditioning

Oasis Plumbing, Heating & Air Conditioning provides dependable HVAC service for homeowners and businesses in San Marcos, CA. From warm summer afternoons near Lake San Marcos to cooler evenings, local comfort depends on a heating and cooling system that performs when you need it. Our team is here to help with air conditioning and heating repairs, routine maintenance, system replacements, and new installations tailored to your property’s needs. We focus on clear communication, practical recommendations, and quality workmanship to help keep your indoor environment comfortable year-round. Whether your AC is struggling to cool, your furnace needs attention, or you are planning an energy-efficient upgrade, Oasis Plumbing, Heating & Air Conditioning is a local resource you can count on. Visit us at 230 Cerco Rosado in San Marcos or explore oasispha.com to learn more about our services.