O’Sullivan Electric is a certified Generac, Sales, Service, Warranty Service parts and installation Dealer. At O’Sullivan Electric we pride ourselves on making your generator installation seamless and efficient. We handle the entire process from the initial free estimate to permitting, installation and final inspections, it is all in our hands. Proper maintenance is critical to the health of your generator. With the right maintenance schedule our certified and skilled technicians will give you the assurance your generator is kept in the best operating condition.