Mendota’s award-winning gas fireplaces, gas fireplace inserts and gas stoves are designed and built by the Mendota Hearth div ... ision of Johnson Gas Appliance Co. For more than 110 years, Johnson Gas has been a leader in gas technologies. Founded in Cedar Rapids, Iowa, in 1901, that’s where the headquarters of our family-owned company remain today. In addition to quality hearth products, Johnson Gas designs and manufactures a diverse range of gas-powered appliances. Fortune 500 companies such as Ford, Boeing and General Electric use our line of heat treating furnaces to make everything from automobiles to appliances better and safer. Building on our history of creating highly efficient and reliable gas products, we put that knowledge into every Mendota Hearth Product we make. Only Mendota combines century-old craftsmanship with our exclusive BurnGreen™ technology to offer today’s efficiency and convenience. read more