Supreme Heating & Air Conditioning

As a local, family-owned business, we understand all of your heating and cooling needs. Let J&S Mechanical help you to stay warm in the winter and cool in the summers. We offer the highest quality products and services, thriving to make your home run more efficiently in the changing seasons. Whether you know the services you need or have questions for the experts, call us today! J & S Mechanical, Inc. can help you stay comfy at home all year. Our locally and family-owned company knows what the Watertown, MN climate is like and knows what to do for your heating and cooling needs. We'll get the task done right, whether servicing an existing system or installing a new one. We bring over 30 years of industry experience to the table.