Standby & whole house generator installation in Corona, Riverside County. Local electricians, upfront pricing and fast scheduling.
(833) 652-8933 Request a quotePublic Safety Power Shutoffs, wildfire season and winter storms make backup power a practical need in Corona. Phasethree Electric installs whole house standby generators, Generac and Kohler systems, automatic transfer switches and manual transfer switches with portable generator inlets for homes and small businesses in Corona and across Riverside County.
We size the generator to your real loads, pour or set the pad, run the electrical connection to a transfer switch at your panel, coordinate the gas or propane connection, pull the permit and start up and test the unit. Automatic units start within seconds of an outage.
If a full standby system is more than you need, a manual transfer switch and outdoor inlet lets you safely power selected circuits from a portable generator without extension cords through windows.
We also service and repair existing generators, replace batteries, and add load management modules so a smaller unit can run more of the house. Call (833) 652-8933 for Corona and nearby Norco, Mira Loma, Silverado, Chino Hills.
We provide generator installation throughout Corona and the surrounding communities of Riverside County.
Most homes need 14 to 26 kW for whole house coverage. We run a load calculation so you are not overpaying.
Electrical work is usually one day. Total time depends on gas connection and permit scheduling in Corona.
Yes, an annual service with oil, filter and a load test keeps the warranty valid and the unit reliable.
“Got a 200 amp panel upgrade and an EV charger in one day. They handled the permit and the inspector passed it on the first visit.”
Derek W.“Had them do a full electrical inspection before we bought our house. The photo report saved us thousands in negotiations.”
Robert K.“They rewired our 1948 house room by room and we never lost power overnight. Walls were patched cleaner than we expected.”
Tom & Linda R.Upfront pricing · Same-day service · 24/7 emergency response