Thorsen's - Norquist, Inc.

Thorsen's-Norquist, Inc. has served Modesto and Turlock, CA since 1911 as a full-service HVAC and plumbing contractor. The company holds a 4.6-star rating across 20 verified reviews, offering residential, light commercial, and commercial services. Their team includes NATE-certified technicians trained to handle installation, maintenance, and repairs across all major HVAC brands. The company provides 24/7 emergency availability and maintains an A Tradition of Excellence service philosophy.

This contractor distinguishes itself through an unusually broad service portfolio that includes geothermal systems, VRF (variable refrigerant flow) technology, and in-house sheet metal fabrication. They offer specialized indoor air quality solutions including REME HALO air purifiers, WiFi thermostat integration, and comprehensive attic insulation services. Their plumbing division handles full kitchen and bathroom remodels alongside traditional water heater services and rooter work. The company also installs reduced pressure valves and commercial boilers, positioning them as a single-source provider for both HVAC and plumbing needs.

Customer reviews highlight several technicians by name for exceptional service. Ruben has maintained one customer's system for 11 years, described as never rushed and genuinely enjoying his work. Jarrett arrived within 20 minutes during an after-hours emergency and restored cooling quickly. Carlos was praised for quickly diagnosing and fixing a problem with a positive attitude. Dan was noted for professional knowledge during annual maintenance. Multiple reviewers mention same-day response, with one customer reporting their heater was called for yesterday and fixed today.