In order to provide our exceptional commercial HVAC & refrigeration service to office parks, malls, retail stores and big box outlets in Riverside, CA and throughout California, RESSAC employs great technicians, focuses on operational efficiency and keeps abreast of advancing technologies. Those are the key elements of every Riverside, CA commercial assessment, design, installation, maintenance, monitoring or repair service we offer. Read our reviews below to learn what our business customers have to say.

Local Reviews
for Riverside, CA


Kevin S.

Kevin S.

Returned to a restaurant in Riverside, CA, to repair a 3 door freezer that had a refrigerant leak at the filter drier. After completing refrigerant repairs, tech also replaced the controller.Tested and cycled unit, repairs complete and freezer functional again.

Near La Sierra Ave, Riverside, CA 92505
Riverside, CA - Returned to a restaurant in Riverside, CA, to repair a 3 door freezer that had a refrigerant leak at the filter drier. After completing refrigerant repairs, tech also replaced the controller.Tested and cycled unit, repairs complete and freezer functional again.
Javier G.

Javier G.

Commercial controls technician for Riverside county was dispatched to complete work on new EMS installation . Finished software testing with TWave, corrected a software setup for RTU #4, confirmed wiring correct and VFD all functional. Energy management system installation complete, site communicating and running.

Near Tyler St, Riverside, CA 92503
Nick R.

Nick R.

RESSAC is ready to serve you Riverside! We have NATE certified a/c technicians living in your area and servicing commercial buildings near you every day. We provide installation, repair, and maintenance services on all types and brands of HVAC and refrigeration equipment. All markets served including office buildings, distribution centers, warehouses, convenience stores, motels, restaurant and retail.

Near Riverside, CA
Riverside, CA - RESSAC is ready to serve you Riverside! We have NATE certified a/c technicians living in your area and servicing commercial buildings near you every day. We provide installation, repair, and maintenance services on all types and brands of HVAC and refrigeration equipment. All markets served including office buildings, distribution centers, warehouses, convenience stores, motels, restaurant and retail.