24 hour emergency service! We offer preventive maintenance, service and installation of all heating and air equipment, including hydronics (boilers). We, also, service and install hot water heaters, and offer Indoor Air Quality accessories. Our fully insured, 100% NATE certified technicians are eager to give you incredibly reasonable rates backed with our high standard of quality work. C.S. Mechanical is a family company locally owned and operating in NW Indiana. Make sure you ask about our Seasonal Warranty (you'll be glad you did).