From our early beginnings in 1957 Great Lakes Heating & Air Conditioning has been serving the Michiana area with HVAC services. From designing and choosing the correct furnace or air conditioner unit, to cleaning and maintaining your duct work, we are here to serve you with all your home comfort needs. Select any of the highlighted years from our history time line below to learn about our growth and commitment to the South Bend, Mishawaka and surrounding communities.