Industrial Furnace Division
Heat treating, metal melting and soldering furnaces for industry and school shops
Mendota Hearth Division
Luxury gas fireplaces, gas fireplace inserts and stoves
CO2 Generator Division
CO2 Generators for Industry and Residential
St. Croix
Pellet Stoves and Multi-Fuel Stoves
Net Zero Fireplaces
Pathway to Net Zero Energy
Johnson Gas Appliance Company. Our Industrial Furnaces division manufactures heat treating, metal melting and soldering furnaces for industry and school shops. Our Concrete Curing division provides Steam Curing Systems for concrete block, pipe, precast and prestressed products. Over 10 million cement blocks and tons of concrete pipe are being cured every day with Johnson steam curing systems. For over 100 years, Johnson Gas Appliance Company has been a leader in gas technologies.