In 1990, Todd Seiler began Four Winds Custom Heating & Air Conditioning out of his home with just a couple of guys and a pickup truck. Since then, we have built a reputation for honest and dependable service in South Bend and the surrounding area. Trust in our licensed technicians for HVAC service, repair and maintenance. Four Winds specializes in total home comfort. We install high-quality Carrier® heating and air conditioning equipment. Our expert technicians also repair and service all makes and models. We can improve your indoor air quality with one of our Carrier® Healthy Home Solutions. Special financing is available.