Your first choice for heating and cooling services in Duluth, MN and surrounding areasWith more than 34 years in the business, Krause Heating & Cooling has earned a reputation for getting the job done right the first time. Trust that we will never compromise on quality or efficiency. As a Certified Factory Authorized Dealer for Carrier, we provide quick, professional service and first-rate furnace and air conditioner products. Let us help you find what youre looking for. Call us today for all of your heating and cooling needs..