CSI Services has a full staff of Service Technicians who are trained to provide startup and service for industrial and commercial boiler / burner equipment. Our Techs are also trained in the tuning and trouble-shooting of combustion equipment on other equipment such as ovens and furnaces. As a full-service company, we also offer service for commercial HVAC equipment… rooftop units, air markup units, air rotation units, etc. Our technicians are EPA-certified to handle refrigerants. We offer Preventative Maintenance programs tailored for our customers’ specific needs.