Welcome to Karolyi's Heating Cooling and Refrigeration! We are your local HVAC contracting company in East Detroit MI and the surrounding areas. Our residential and commercial services include heating, HVAC service, refrigeration repair, walk in coolers, walk in freezers, ice cream machines, ac repair, heating repair, kitchen equipment, and much more. Contact Karolyi's Heating Cooling and Refrigeration in East Detroit MI for all your heating and cooling needs.