Thorsens-Norquist

Thorsens-Norquist has been a trusted provider of HVAC, plumbing, and air duct cleaning services since 1911, serving Modesto, Turlock, and surrounding areas in California. Our team of NATE-certified technicians brings decades of combined experience to every project, utilizing advanced diagnostic tools and industry-leading techniques to ensure precise, efficient solutions. We specialize in residential and commercial HVAC installation, repair, and maintenance, as well as plumbing services, water heater solutions, and indoor air quality improvements. As a family-owned business with over a century of service, we prioritize transparency, offering upfront pricing and detailed explanations of all work performed. Our commitment to quality is reflected in our use of high-efficiency equipment, rigorous safety protocols, and a customer-first approach that emphasizes long-term relationships.

We maintain a fleet of fully stocked service vehicles to ensure rapid response times and complete repairs on the first visit. Our dedication to continuous training ensures our team stays current with the latest technologies and best practices in HVAC and plumbing systems. With a legacy of excellence built on reliability and integrity, we serve as a cornerstone of the Central Valley community. Our comprehensive service area includes Modesto, Turlock, Ceres, Riverbank, Atwater, and Oakdale, CA. We stand by our work with warranties and guarantees that underscore our confidence in every solution we deliver.