Northwest Electric System Inc. is an expert in the installation, service, and repair of backup generators. We specialize in liquid and air cooled standby generators. We also offer load bank testing to ensure that the generator is functioning at its full capacity. We promote many brands of generators including Kohler, Generac, Briggs & Stratton, GE, Cummins Onan,Winco. We have been providing our services to customers in Chicagoland for many years. We are a valuable resource to both residential and commercial entities that desire a professional and prompt electrical company. read full review »