Mark Guy Heating & Air brings many years of heating and cooling installation and service experience to homes and businesses in Mayer, MN and surrounding areas. We are proud to represent American Standard products for their long-lasting reliability. After all, you deserve equipment that lasts. We can help you select the equipment best suited to your particular needs and budget. We are committed to the satisfaction of each and every customer. We aspire to be the heating and cooling company you keep coming back to. Call us!