When You Need Backup Power for Your Home or Business or Just Need Your Current Generator Serviced, There is Only One Name to Call; Guerin Generator Services. We are the #1 Name in Generator Sales, Installation and Service in the Capital District. Guerin is a Generac PowerPro Protector Plus Dealer, Generac Factory Trained, Generac Factory Certified in both Commercial and Residential, and We are NY Licensed Electricians.